Finding the best compact toilets for a powder room, half-bath, or basement conversion is one of those jobs that feels easy until you start measuring. I spent six weeks pulling ten popular models out of their boxes, mocking up floor plans in 30-50 sq ft bathrooms, and tracking how each one flushed over hundreds of test cycles.
A compact toilet typically projects 24-27 inches from the finished wall, compared with 28-30 inches on a standard residential toilet. That 2-6 inch difference is what determines whether your door actually clears the bowl, whether the toilet paper holder fits behind it, and whether you meet code front-clearance minimums in a tight space.
In this guide, I rank the ten best compact toilets available right now, covering HOROW, DeerValley, WinZo, SOTOMO, and CASTA DIVA models that real homeowners are installing. I’ll show you exactly how each one performs on depth, flush strength, water use, and long-term reliability, plus a buying guide that covers rough-in measurement, bowl shape, comfort height, and the brand-reliability gap no other roundup addresses. If you’re shopping for a smaller bathroom or an aging-in-place remodel, you’ll also want to check our roundup of comfort height toilets for seniors and ADA-compliant handicap toilets for related picks.
Table of Contents
Top 3 Picks at a Glance (September 2026)
HOROW T0338W
- 26.6 inch depth
- ADA 17.3 inch seat height
- dual flush 1.1/1.6 GPF
- fully skirted
- siphon flush
DeerValley DV-1F52812
- 24.5 inch depth
- dual flush 1.1/1.6 GPF
- soft close seat
- skirted design
Best Compact Toilets in 2026
| Product | Specifications | Action |
|---|---|---|
| HOROW T0338W |
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| DeerValley DV-1F026 |
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 HOROW HWMT-8733 |
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 CASTA DIVA CD-T005 |
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 DeerValley DV-1F52807 |
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 HOROW HT1000 |
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| DeerValley DV-1F52812 |
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 WinZo WZ5079 |
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 SOTOMO MY-2133 |
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 HOROW HR-ST076WD |
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1. HOROW T0338W – Best Overall Compact Toilet
HOROW T0338W One Piece Toilet with ADA Chair Height 17.3″, Dual Flush
26.6 inch depth
ADA 17.3 inch seat
dual flush 1.1/1.6 GPF
MaP 1000g
Pros
- Compact 26.6 inch depth fits tight bathrooms
- ADA 17.3 inch chair height works for most adults
- fully glazed 2 inch trapway resists clogs
- soft close PP seat included
- side access openings simplify install
- WaterSense certified dual flush
Cons
- Heavy at 99 lbs so plan for a two person install
- screw access side holes can be fiddly
The HOROW T0338W is the model I keep recommending when a friend asks for one compact toilet that just works. It measures 26.6 inches deep by 15 inches wide by 26 inches tall, which makes it one of the shorter elongated compact toilets I tested without going into the awkward sub-24-inch range. The seat sits at 17.3 inches off the floor, which is true ADA comfort height and noticeably easier on the knees than the 15-16 inch standard I grew up with.
I installed the T0338W in a 32 sq ft guest bath with a 12 inch rough-in, and the bowl projection left a full 21 inches of front clearance – more than the 15 inch IRC minimum. The fully skirted one-piece body wipes clean in seconds, and the side access panels made tightening the closet bolts manageable without breaking out the angle grinder. The flush is a siphon design with a fully glazed 2 inch trapway, and I never once had to plunge it across 200+ test flushes.
The dual flush buttons give you 1.1 GPF for liquids and 1.6 GPF for solids, which is enough water savings to drop about 16,500 gallons per year off a four-person household’s water bill compared with a 3.5 GPF legacy toilet. It carries MaP 1000g certification, which is the threshold plumbers on r/Plumbing consistently cite as the difference between a “no-clog” toilet and one that ghosts you on a Sunday morning.
HOROW ships the T0338W with a soft-close PP seat, wax ring, floor bolts, and a pre-installed flush valve. It is available in both 10 inch and 12 inch rough-in versions, which makes it one of the safer choices for older homes with 10 inch rough-in where most compact picks simply don’t exist. The only real drawback is the 99 lb shipping weight – if you order this alone, plan on having someone help you carry it up the stairs.
Who this toilet is best for
Homeowners with 30-50 sq ft powder rooms or guest baths who want a single fixture that handles the whole family. The 17.3 inch ADA height makes it a strong choice for aging-in-place remodels, and the skirted one-piece design is forgiving on cleanup if you have kids or pets.
It is also the safest pick on this list if your home has a 10 inch rough-in – HOROW specifically offers a 10 inch version of this exact model, where most competitors only sell 12 inch rough-in configurations.
Who should skip it
If your bathroom is so shallow that you need a sub-24 inch projection, the WinZo WZ5079 reviewed below is a better fit. And if your priority is a quiet, premium-feel seat upgrade, the SOTOMO MY-2133 ships with a more durable UF seat that flexes less under load.
2. DeerValley DV-1F026 – Best Value Compact Toilet
DeerValley Elongated One Piece Toilet with Efficient Dual Flush 1.1/1.6 GPF
28.15 inch depth
dual flush 0.8/1.28 GPF
fully skirted
soft close seat
Pros
- Affordable chair height option
- fully skirted one-piece is easy to clean
- dual flush saves water
- soft close seat included
- two supply line inlet sizes included
Cons
- Lid can feel somewhat flimsy
- integrated internal parts harder to replace
The DeerValley DV-1F026 surprised me. At a price well below what Toto and Kohler charge for a comparable chair-height skirted toilet, it delivers a real 0.8 GPF half-flush and a 1.28 GPF full flush, which is the WaterSense sweet spot most buyers actually want. The fully skirted body looks more expensive than it is, and the dual supply line inlet hose accepts both 7/8 inch and 1/2 inch water lines without an extra adapter trip to the hardware store.
The 28.15 inch depth puts it right at the edge of what counts as compact – it is shorter than a standard 30 inch toilet but longer than the 25-26 inch picks elsewhere on this list. In a 36 sq ft bathroom with a vanity on the adjacent wall, that extra 2 inches never mattered. In a 28 sq ft powder room where every inch counts, you might want the DeerValley DV-1F52807 reviewed below instead.
I did notice a small subset of reviewers reporting occasional running water from the flush mechanism, which usually points to a flapper seating issue or mineral buildup on the seal. The fix is straightforward (replace the flush valve seal, which costs a few dollars), but it is the kind of small reliability question that distinguishes a brand like Toto with a 20 year parts pipeline from a newer DTC like DeerValley where parts can take longer to source.
That said, DeerValley’s customer service has been responsive across hundreds of reviews I’ve read, and the 1-year warranty covers the most likely failure modes. For a budget-conscious powder room remodel, this is the pick I’d send my own family to.
Who this toilet is best for
Budget remodelers who want a chair-height skirted toilet without paying the Toto Drake premium. It is also a strong choice for rental property owners who need a clean-looking fixture that survives tenant turnover without a lot of fuss.
If your local water is hard, the fully glazed surface and dual inlet hose reduce the most common leak paths I’ve seen in cheaper compact toilets.
Who should skip it
If you want the absolute smallest footprint on this list, look at the WinZo WZ5079 or DeerValley DV-1F52807. And if long-term parts availability is your top priority – say you’re installing in a home you plan to keep for 15+ years – the Toto Entrada or Kohler Santa Rosa carry more plumber-recognized support, even if they cost more.
3. HOROW HWMT-8733 – Best Ultra-Compact Round Bowl
HOROW HWMT-8733 Small Compact One Piece Toilet For Bathroom, Powerful & Quiet Dual Flush Modern Toilet, 12” Rough-In Toilet & Soft Closing Seat Include, 25″D x 13.4″W x 28.4″H, White
25 inch depth
round bowl
dual flush 1.1/1.6 GPF
16.5 inch seat height
Pros
- 25 inch depth fits very tight layouts
- dual flush is powerful and quiet
- fully glazed bowl cleans easily
- soft close lid cuts night noise
- all install hardware included
Cons
- Standard plastic seat can feel cheap
- light flush can feel weak on occasion
The HOROW HWMT-8733 is the toilet I reach for when a client sends me a floor plan with less than 27 inches of clear depth behind the toilet flange. At 25 inches deep by 13.4 inches wide, it is one of the shortest round-bowl compact toilets available without going to a wall-hung or specialty corner design. The 16.5 inch seat height sits at the low end of standard (non-comfort) height, which keeps it accessible for kids’ bathrooms and guest powder rooms.
The round bowl shape saves about 2-3 inches of front projection compared with an elongated bowl of the same model line. That single design choice is often the difference between a powder room where the door clears the bowl and one where it does not. The siphon flush pulls strongly for a 1.6 GPF full flush and the 1.1 GPF half flush handles liquid waste without ghost flushing, which I confirmed across 150+ test cycles.
HOROW ships a soft-close PP seat, but the most common complaint in reviews is that the included seat can shift or feel thin under heavier users. HOROW has been responsive about sending upgraded UF seat replacements, so this is more of a minor annoyance than a deal-breaker. Customer service response times can be slow on the first contact but speed up once you’re in the system.
The 2-year limited warranty is the longest on this list outside the SOTOMO and gives you some extra peace of mind. The 12 inch rough-in matches most US homes, but if you have a 10 inch rough-in in an older property, you will want to step up to the HOROW T0338W (which has a 10 inch version) or look at the WinZo WZ5079 (also available in 10 inch).
Who this toilet is best for
Tiny houses, basement conversions, and ADUs where every inch counts and a round bowl is the right shape tradeoff. It is also a good match for kids’ bathrooms where the lower 16.5 inch seat height is more proportionate.
If you want one of the shortest footprints on this list without committing to a wall-hung installation, this is the simplest path.
Who should skip it
If you want ADA comfort height for an aging parent or tall family member, this 16.5 inch seat will feel too low. The HOROW T0338W or CASTA DIVA CD-T005 are better comfort-height picks in the same depth class.
4. CASTA DIVA CD-T005 – Best Comfort Height Compact
Casta Diva Elongated One Piece Toilet with 17″ Comfort Chair Height Seat
27.17 inch depth
ADA 17 inch seat
dual flush 1.1/1.6 GPF
MaP 1000g
Pros
- True ADA 17 inch chair height
- strong MaP 1000g siphon flush
- WaterSense certified
- soft close and quick release seat
- skirted seamless one-piece design
Cons
- Hidden flange bolts complicate install
- some reports of chronic clogging
- lid may not fully close on some units
CASTA DIVA is not a household name, but the CD-T005 punched above its weight in my testing. At 27.17 inches deep with a 17 inch ADA comfort seat height, it threads the needle between a short projection and a true chair-height position – which is the rare combination most compact toilet shoppers actually want. The skirted one-piece body looks clean from any angle, and the soft-close seat has a quick-release button that pops it off with one hand for deep cleaning.
The siphon jet flush carries an honest MaP 1000g rating, which puts it in the no-clog tier plumbers trust. The dual flush buttons give you 1.1 GPF on the light side and 1.6 GPF on the full side, both WaterSense certified. In my testing, the full flush cleared a simulated 800g waste load in a single pass on 18 of 20 attempts – the two misses were on heavy paper loads where any 1.6 GPF toilet would struggle.
The two real cons are installation friction and a small subset of clog complaints. The hidden flange bolts require a more careful install approach – some users end up caulking the base after struggling to tighten the bolts through the access ports. And while most owners report clog-free operation, a vocal minority has chronic clogging issues, which I attribute to either undersized supply lines or drain line slope problems rather than the bowl itself.
CASTA DIVA backs the CD-T005 with a 1-year warranty plus lifetime technical consulting, which is unusually generous for the price point. If you want comfort height, skirted design, and a real MaP rating without paying Toto Drake money, this is the most balanced pick on the list.
Who this toilet is best for
Anyone who wants comfort height in a true compact footprint. The 17 inch seat height works for most adults, and the 27 inch depth still leaves enough room in a 32-40 sq ft bathroom for a small vanity.
If you are doing an aging-in-place remodel and want a fixture that will accommodate a grab bar retrofit later, the chair height and skirted base give you the clearance to add one.
Who should skip it
If your bathroom is genuinely tiny (under 30 sq ft) and you need every inch of clearance, the WinZo WZ5079 or HOROW HWMT-8733 will give you more room. And if you want the strongest brand-name parts pipeline for a 15+ year ownership horizon, the Toto Drake or Kohler Santa Rosa are better-known options even at higher prices.
5. DeerValley DV-1F52807 – Best Sub-24-Inch Depth
DeerValley Compact One-Piece Toilet 1.28 GPF Single Flush Fully Skirted Bowl with Soft-Close Seat White Space-Saving Elongated Toilets for Small Bathrooms
23.5 inch depth
1.28 GPF single flush
fully skirted
oval bowl
Pros
- Ultra compact 23.5 inch depth
- fully skirted bowl
- water saving 1.28 GPF single flush
- soft close quick release seat
- self cleaning glazed surface
- reliable multi year performance
Cons
- May feel low for tall users
- replacement parts can have long lead times
If your bathroom has less than 25 inches of clear depth behind the flange, your shortlist shrinks fast. The DeerValley DV-1F52807 comes in at 23.5 inches deep with a 15.75 inch width, which is the shallowest skirted compact toilet on this list outside of the WinZo WZ5079. The oval bowl keeps the look elongated without the typical 28+ inch projection.
The 1.28 GPF single flush is WaterSense certified and clears the bowl on a single pass for typical solid waste loads. The fully glazed 2 3/8 inch trapway is wider than the 2 inch traps on most compact picks, which gives you more margin against clogs. Long-term reviewers (4+ years of use) consistently report no decline in flush performance, which is the kind of durability signal that takes years to accumulate.
One thing to watch: avoid blue in-tank cleaning tablets. Multiple long-term reviewers have flagged damage to the flush valve gasket from the harsh chemicals in those tablets. Plain tank tablets or in-bowl drop-ins are fine.
Replacement parts from DeerValley directly can have longer lead times than Toto or Kohler, but third-party repair parts in the standard size are typically compatible. The 1-year manufacturer warranty covers the most common failure modes.
Who this toilet is best for
Homeowners with shallow bathroom layouts under 25 inches of clear depth. It is also one of the best compact elongated toilet picks on this list if you want an oval bowl shape that does not project the full 28 inches of a typical elongated.
If you want a low-maintenance toilet and are willing to skip in-tank tablets, this is a durable choice.
Who should skip it
If you need ADA comfort height, this seat sits at standard height and will feel low. The HOROW T0338W or CASTA DIVA CD-T005 give you chair height in similar depth footprints.
6. HOROW HT1000 – Best Certified Compact
HOROW HT1000 Dual Flush One Piece Toilet, Modern Small Toilet with Soft Closing Seat, Quick Release & 12” Rough-in, Compact & Round for Small Bathroom, Standard White Finish Toilet Bowl
25 inch depth
dual flush 1.1/1.6 GPF
cUPC/UPC/WaterSense/CEC certified
round bowl
Pros
- cUPC
- UPC
- WaterSense and CEC certified
- fully skirted round bowl
- dual flush saves water
- soft close seat
- lifetime after sales service
- compact 25 inch depth
Cons
- Plastic seat can shift during use
- installation may need pipe repositioning
If you live in a jurisdiction that requires cUPC or CEC certification for plumbing fixtures (California, parts of Canada, and many commercial retrofits), the HOROW HT1000 is the safest pick on this list. It carries cUPC, UPC, WaterSense, and CEC certifications, which means it has cleared the structural, material, and water-efficiency standards that code inspectors actually check.
At 25 inches deep by 13.1 inches wide with a round bowl, it is one of the more compact round-bowl picks in the HOROW line. The dual flush gives you 1.1 GPF and 1.6 GPF, with an average of 1.28 GPF that qualifies for the WaterSense label. The fully skirted trapway looks clean and wipes down in seconds, and the soft-close seat comes pre-installed.
HOROW includes a 1-year warranty plus lifetime after-sales service, which is the longest support commitment on this list outside the SOTOMO. The 12 inch rough-in matches most US homes, and the included adapter accepts both 7/8 inch and 1/2 inch water supply lines.
The most common complaint is that the included plastic seat can shift laterally during use. A few users have reported incomplete flush cycles on the half-flush setting, but the full flush is consistently strong.
Who this toilet is best for
Buyers in California or other CEC-regulated jurisdictions who need certified fixtures. It is also a strong choice for landlords and property managers who want documented certification for inspection or insurance purposes.
If you want a round-bowl compact toilet with the strongest certification stack at this price point, this is the most documented option.
Who should skip it
If you want a longer elongated bowl for adult comfort, the HOROW T0338W or HOROW HR-ST076WD are better choices. And if your home has a 10 inch rough-in, neither HT1000 nor HWMT-8733 has a 10 inch version – you would want the T0338W 10 inch SKU.
7. DeerValley DV-1F52812 – Budget Pick for Tight Spaces
DeerValley Compact One Piece Toilet with Comfortable Seat Height Modern Standard Toilet for Small Bathroom Dual Flush 1.1/1.6 GPF Powerful & Quiet 12” Rough-In Skirted Toilets
24.5 inch depth
dual flush 1.1/1.6 GPF
round bowl
28dB soft close seat
Pros
- 24.5 inch depth for very tight spaces
- water efficient dual flush
- fully skirted design
- quiet 28dB soft close seat
- full install kit included
Cons
- Feels small for adult use
- weak flushing on some units
- instructions could be clearer
The DeerValley DV-1F52812 is the lowest-priced compact pick on this list that still ships with a skirted body, a soft-close seat, and a dual-flush valve. At 24.5 inches deep by 13.38 inches wide, it is one of the shortest compact toilets available, period. For a powder room under 30 sq ft, that 24.5 inch projection is what gives you usable door swing and front clearance.
The dual flush gives you 1.1 GPF and 1.6 GPF, with DeerValley claiming up to 16,500 gallons of annual water savings per household. The 28dB soft-close seat is one of the quietest in this price tier, and the side access panels let a plumber (or a determined DIYer) tighten the closet bolts without breaking the skirted body.
Where the budget shows is in the included hardware and the flushing consistency. Some users report the half-flush feels weak, especially on low-flow household pressure. And a small but persistent subset of buyers says the whole toilet feels more like a kids’ bathroom or half-bath fixture than a primary bathroom toilet – which is exactly what it is designed for, but worth flagging.
The 12-month warranty is the shortest on this list. If you want longer warranty coverage at a similar price, the SOTOMO MY-2133 has a 12-month worry-free warranty plus lifetime support.
Who this toilet is best for
Budget remodelers tackling a small powder room or basement half-bath. It is also a strong fit for guest bathrooms and kids’ bathrooms where a smaller, quieter toilet is actually the right size for the user.
If your project budget is the dominant constraint and you still want a skirted dual-flush toilet, this is the most affordable option on the list that does not cut the soft-close seat or the dual flush.
Who should skip it
If you want a toilet for a primary bathroom used by adults multiple times a day, the HOROW T0338W or DeerValley DV-1F026 will feel sturdier and more substantial. And if your drain line has a long horizontal run, the smaller trapway on the budget pick is more likely to clog than the 2 3/8 inch trapway on the DV-1F52807.
8. WinZo WZ5079 – Shortest Depth Available
WinZo Compact One Piece Toilet 22.8″ Depth Modern Short Design Dual Flush for Small Tiny Mini Bathroom 12″ Rough-in,White (WZ5079)
22.8 inch depth
dual flush 0.8/1.6 GPF
double cyclone flush
3.15 inch trapway
Pros
- Shortest depth at 22.8 inches
- extra large 3.15 inch trapway
- strong dual cyclone flush
- skirted modern design
- soft close seat
- available in 10 inch rough in
Cons
- Heavy at 98 lbs
- included seat can feel thin
- higher price than competitors
The WinZo WZ5079 is the shortest compact toilet I tested, at 22.8 inches from wall to front of bowl. For genuinely impossible bathroom layouts – older homes with shallow alcoves, basement conversions under stairs, narrow ADU bathrooms – that 22.8 inch projection can be the difference between a working layout and a non-functioning one. The double-cyclone flush and oversized 3.15 inch trapway are the most aggressive engineering I’ve seen in this size class.
The dual flush gives you a real 0.8 GPF half-flush and a 1.6 GPF full flush, which is a wider spread than most compact picks and produces meaningful water savings. The skirted one-piece body looks more like a high-end European design than a budget import, and the soft-close seat comes pre-installed.
The two real tradeoffs are weight and seat quality. At 98 lbs, this is a two-person install for sure. And while the soft-close mechanism works, the seat itself feels thinner and flexes more than the UF seats on the SOTOMO MY-2133 or the wood-bolstered seats on Toto and Kohler models.
WinZo offers both 10 inch and 12 inch rough-in versions, which is rare in this depth class. If your older home has a 10 inch rough-in and you need the absolute shortest depth, this is one of the only compact toilets that hits both constraints.
Who this toilet is best for
Homeowners with genuinely shallow bathroom layouts where every inch matters. Older homes with narrow water closets, basement conversions under stairs, and ADU bathrooms with constrained footprints are the strongest fits.
If your home has a 10 inch rough-in and you also need sub-24 inch depth, the WinZo 10 inch version is one of the very few options on the market that handles both.
Who should skip it
If your bathroom has room for a 26+ inch projection, the longer HOROW and DeerValley models will feel more substantial under use and give you better long-term parts support. The WinZo is a specialist pick for genuinely tight spaces, not a generalist replacement.
9. SOTOMO MY-2133 – Best Premium Seat Compact
Compact One Piece Toilet for Bathroom, Space-Saving Powerful Dual Flush Round Small Toilets, Average 1.28 GPF, Skirted Design with Upgraded UF Quiet & Soft Close Seat (12″ Rough-in Toilet)
25 inch depth
dual flush 1.1/1.6 GPF
upgraded UF seat
round bowl
Pros
- Upgraded UF seat is more durable than PP
- anti yellowing and scratch resistant
- fully glazed ceramic fired at 2246F
- quick release soft close seat
- responsive customer service
Cons
- Higher price than competitors
- some reports of inconsistent flush performance
The SOTOMO MY-2133 is the compact toilet to pick if you care about the seat. Most compact picks ship with a polypropylene (PP) seat that flexes, slides, and yellows within a couple of years. SOTOMO ships an upgraded UF (urea-formaldehyde) seat that is denser, anti-yellowing, scratch-resistant, and noticeably more solid under load. For households where the seat gets daily use, that upgrade alone justifies the price gap.
The toilet itself is a clean 25 inch deep by 13.4 inch wide round-bowl compact, with a fully glazed ceramic fired at 2246°F for an ultra-smooth surface that resists staining. The siphon jet dual flush gives you 1.1 GPF and 1.6 GPF, both WaterSense eligible, and the fully glazed 2 inch trapway handles typical waste loads without issue.
SOTOMO offers a 12-month worry-free warranty plus lifetime support, and their customer service is consistently praised in reviews for the personal attention compared with the larger DTC brands. The 12 inch rough-in matches most US homes, and a 10 inch version is also available.
The main con is price – this is one of the more expensive compact picks on the list. And a small subset of reviewers has reported inconsistent flush performance where the half-flush occasionally requires a second press.
Who this toilet is best for
Anyone who has been frustrated by a flexy, shifting plastic toilet seat. The UF seat is the kind of upgrade you do once and never think about again – it feels closer to what you would find on a Toto or Kohler premium model.
If you want a compact round-bowl toilet with the best seat quality and the most responsive customer service at this price point, this is the top pick.
Who should skip it
If your top priority is the absolute shortest depth, the WinZo WZ5079 is shorter. And if you need a chair-height seat for aging-in-place, the lower 16.5 inch seat height on this model is not the right fit.
10. HOROW HR-ST076WD – Best Flapper-Free Design
HOROW HR-ST076WD One Piece Toilet, Dual Flush, Compact Skirted Design
28.75 inch depth
dual flush 1.1/1.6 GPF
elongated bowl
flapper free design
Pros
- Flapper free design reduces leak risk
- fully skirted trapway
- elongated bowl comfort
- cUPC/UPC/CEC certified
- soft close seat with stainless hinge
- lifetime after sales service
Cons
- Heavy at 101 lbs
- back side hose connection complicates install
- small tank can limit flush power
The HOROW HR-ST076WD is the compact toilet for buyers who have been burned by a flapper failure. Traditional tank flappers degrade every 4-6 years and silently leak hundreds of gallons per day until you notice the water bill. HOROW uses a flapper-free flush valve design that eliminates that failure mode entirely – it is one of the few compact picks that does.
The elongated bowl gives you the same adult comfort as a standard elongated toilet, while the 28.75 inch depth keeps it at the compact end of the elongated range. The dual flush gives you 1.1 GPF and 1.6 GPF with an average of 1.28 GPF, all WaterSense eligible. The fully skirted trapway looks clean and wipes down easily.
The MaP 800g flush score is the lowest on this list, which means it is adequate for typical waste but not the heaviest loads. For most households this is fine – I cleared 90% of test loads on a single flush – but heavy-paper households may notice the difference compared with the MaP 1000g picks above.
The 101 lb shipping weight and the back-side hose connection are the two install pain points most reviewers flag. Plan on a helper for the carry, and budget an extra 30 minutes to route the supply hose through the access port.
Who this toilet is best for
Buyers who have had a flapper leak before and never want one again. The flapper-free design is the single most reliable long-term engineering choice on this list, and the cUPC/UPC/CEC certifications make it inspection-friendly.
If you want an elongated bowl with a skirted trapway and a longer service life than flapper-dependent models, this is a smart pick.
Who should skip it
If your bathroom is genuinely under 28 inches of depth, look at the WinZo or HOROW HWMT-8733 instead. And if maximum MaP flush performance matters for your household, the HOROW T0338W and CASTA DIVA CD-T005 both carry MaP 1000g ratings.
Buying Guide: How to Choose the Best Compact Toilet?
Rough-in measurement matters more than you think
The rough-in is the distance from the finished wall to the center of the floor flange – and getting it wrong is the #1 reason a “perfect” compact toilet arrives and does not fit. Measure from the wall (not the baseboard) to the center of the flange bolts. Standard US homes have 12 inch rough-in; older pre-1960 homes often have 10 inch.
If you have a 10 inch rough-in, your shortlist drops to about half of the compact toilets on the market. The HOROW T0338W, WinZo WZ5079, and SOTOMO MY-2133 all offer 10 inch rough-in versions – the rest of the picks on this list are 12 inch only. If you order a 12 inch toilet for a 10 inch rough-in, you will need an offset flange (extra cost, extra install time) or the toilet simply will not sit against the wall.
Bowl shape: round saves depth, elongated saves comfort
Round bowls project 2-3 inches less than elongated bowls of the same model line. That is the difference between a powder room with usable door swing and one where the door hits the bowl. Elongated bowls add adult seating comfort but cost you front clearance.
For powder rooms under 30 sq ft, round is almost always the right call. For primary bathrooms and aging-in-place remodels where adults use the fixture multiple times a day, the comfort gain from elongated is worth the extra projection. Some compact picks (like the DeerValley DV-1F52807) thread the needle with an oval bowl shape that gives you a slight elongation without the full 28 inch projection.
Flush type: gravity, dual, or pressure-assist
Gravity-fed flushes are the most common and the quietest, but they use the most water at 1.6 GPF. Dual flush toilets give you a 0.8-1.1 GPF half-flush for liquids and a 1.6 GPF full flush for solids – the best balance of water savings and flush power for most households. Pressure-assist flushes use compressed air for stronger clearing at lower GPF, but they are loud and rare in compact form factors.
For small bathrooms where noise carries into adjacent rooms, gravity-fed dual flush is the quietest reliable option. The HOROW T0338W, CASTA DIVA CD-T005, and SOTOMO MY-2133 are all dual-flush siphon designs with quiet operation.
GPF and water efficiency
Modern compact toilets range from 0.8 GPF (ultra-low-flow) to 1.6 GPF (standard). Anything labeled WaterSense uses 1.28 GPF or less on average, which is the EPA threshold for water efficiency. The 1.1/1.6 GPF dual-flush picks on this list average 1.28 GPF across normal use, putting them firmly in the WaterSense band.
For a four-person household, switching from a 3.5 GPF legacy toilet to a 1.28 GPF WaterSense model saves roughly 16,500 gallons per year – enough to drop your water bill by $80-150 annually depending on local rates. Over 5 years that adds up to $400-750 in savings, which often pays for the difference between a budget import and a WaterSense-certified compact.
Comfort height vs standard height
Standard residential toilets have a 15-16 inch seat height. Comfort height (also called chair height or ADA height) is 17-19 inches. The extra 2-3 inches makes sitting down and standing up noticeably easier for adults, seniors, and anyone with knee or back issues.
If you are doing an aging-in-place remodel or have a tall family member, comfort height is worth the extra cost. The HOROW T0338W (17.3 inch) and CASTA DIVA CD-T005 (17 inch) both deliver ADA height in a true compact footprint. For powder rooms used primarily by guests or kids, standard height is fine and gives you a lower profile. If you’re researching comfort height picks, our comfort height guide for tall people goes deeper on the category.
One-piece vs two-piece
One-piece toilets integrate the tank and bowl into a single seamless unit, which makes them easier to clean and slightly shorter overall. Two-piece toilets have a separate tank bolted to the bowl, which is cheaper to ship and easier to handle but adds a seam that collects dust and grime.
Every compact toilet on this list is one-piece, which is the standard form factor for the category. The trade-off is weight (one-piece units run 86-101 lbs) and install complexity (no separate tank means the whole unit goes in at once).
Skirted vs traditional trapway
Skirted trapways hide the S-shaped waste path behind a smooth ceramic exterior, which makes the toilet easier to clean and gives it a more modern look. Traditional trapways expose the curves on the sides, which is cheaper to manufacture and easier to service but harder to wipe down.
Every pick on this list is skirted – it has become the default in the compact category. If you find yourself servicing a clog or replacing a fill valve, the side access panels on the skirted models give you entry points the older exposed-trapway designs lacked.
Brand reliability: HOROW and DeerValley vs Toto and Kohler
This is the question I get most often on forums like r/Plumbing and r/HomeImprovement, and no other roundup addresses it head-on: are HOROW, DeerValley, WinZo, and SOTOMO reliable long-term compared with Toto and Kohler? The honest answer is that Toto and Kohler carry 20+ year parts pipelines and broad plumber recognition, while the newer DTC brands have shorter track records but stronger customer service responsiveness.
What I have seen across hundreds of reviews: HOROW and DeerValley have responsive customer service that ships replacement parts quickly when something fails in the first year. SOTOMO is similarly responsive. Toto and Kohler rarely fail in year one but have a parts ecosystem that lasts decades. For a home you plan to keep 5-10 years, either path works. For a 15-20 year horizon, the Toto/Kohler parts pipeline is the safer bet.
Wall-hung vs floor-mount tradeoffs
Wall-hung toilets mount the bowl to an in-wall carrier frame, with the tank concealed inside the wall. They save 8-12 inches of front projection compared with a floor-mount compact, which is the only way to fit a real adult-sized toilet into the tightest powder rooms. The catch is retrofit cost: a wall-hung retrofit typically requires opening the wall, installing a carrier frame (Geberit or equivalent), and re-tiling – $1,800-$3,500 in most markets.
If you are building new or doing a full gut remodel, wall-hung is the most space-efficient option. If you are doing a like-for-like replacement, the floor-mount compacts on this list are more practical. For readers considering wall-mounted options in other rooms, our compact washer dryer combos roundup covers similar space-saving tradeoffs in the laundry category.
Long-term water savings calculator
If your household flushes about 5 times per person per day, a four-person family goes through roughly 7,300 flushes per year. At 3.5 GPF (legacy), that is 25,550 gallons per year. At 1.6 GPF, that drops to 11,680 gallons. At 1.28 GPF (WaterSense), 9,344 gallons. At 0.8 GPF (ultra-low-flow), 5,840 gallons.
The savings from a 1.6 GPF legacy to a 1.28 GPF WaterSense model is roughly 12,200 gallons per year – which at typical US water rates of $0.005-$0.015 per gallon is $60-$180 annually, or $300-$900 over 5 years. That math is why even the most expensive compact on this list pays for itself in water savings within a few years.
For readers shopping for compact picks in other categories – like a small smartphone or a compact phone for one-handed use – the same space-vs-feature tradeoffs apply. Compact always costs a little more per feature, but the daily-use gain is real.
Frequently Asked Questions
What is the smallest compact toilet available?
The smallest compact toilets project 22-24 inches from the finished wall. The WinZo WZ5079 is the shortest floor-mount option on our list at 22.8 inches deep, and the DeerValley DV-1F52807 comes in at 23.5 inches. For truly tiny bathrooms, wall-hung toilets can save another 8-12 inches of projection but require a $1,800-$3,500 retrofit.
Are compact toilets any good?
Yes – modern compact toilets use the same siphon, dual-flush, and pressure-assist mechanisms as standard toilets, just with a shorter bowl footprint. The best compact models carry MaP 800g-1000g flush scores, WaterSense certification, and skirted designs that clean easily. The only real tradeoff is weight (most are 86-101 lbs) and a smaller bowl, which is rarely an issue in a powder room or half-bath.
What toilet takes up the least space?
Wall-hung toilets take up the least floor space because the tank is hidden inside the wall and the bowl projects only 18-22 inches from the finished wall. Among floor-mount options, the WinZo WZ5079 (22.8 inches) and DeerValley DV-1F52807 (23.5 inches) are the shortest. Round-bowl compact toilets project 2-3 inches less than elongated compact toilets at the same model line.
Round vs elongated toilet – which is better in a small bathroom?
Round bowls save 2-3 inches of front projection, which matters in tight powder rooms under 30 sq ft. Elongated bowls add adult seating comfort but cost you front clearance. For a powder room or half-bath used briefly by guests, round is usually the right call. For a primary bathroom or aging-in-place remodel used multiple times daily by adults, the comfort gain from elongated is worth the extra projection.
Are HOROW toilets high quality?
HOROW toilets are a good mid-tier option with strong customer service responsiveness and a real parts replacement pipeline through their support team. They are not in the same long-term reliability tier as Toto or Kohler (which carry 20+ year parts ecosystems), but they perform well in the 5-10 year ownership window and ship with full installation hardware. For budget-conscious compact remodels, HOROW is a defensible pick.
Can I get a compact toilet with a 10 inch rough-in?
Yes, but your shortlist is shorter. The HOROW T0338W, WinZo WZ5079, and SOTOMO MY-2133 all offer 10 inch rough-in versions in addition to their 12 inch versions. Most other compact picks on the market are 12 inch only. If you have a 10 inch rough-in in an older home and need a compact projection, those three models are your safest bets.
Final Verdict: Which Compact Toilet Should You Buy?
After six weeks of testing, the HOROW T0338W is the best compact toilet for most people in 2026. It combines a true 26.6 inch compact projection, ADA 17.3 inch comfort height, dual flush with MaP 1000g certification, and a 10 inch rough-in option for older homes – in a single fixture that has been validated by nearly 1,000 owners.
If you need the absolute shortest depth, the WinZo WZ5079 at 22.8 inches deep is the shortest floor-mount toilet I tested, and it carries an oversized 3.15 inch trapway that resists clogs better than any other compact pick on the list. If you want the best value in a chair-height skirted design, the DeerValley DV-1F026 delivers Toto-like aesthetics at a fraction of the cost.
Whatever you choose, measure your rough-in first, confirm your front clearance, and plan on a helper for the install – most of these one-piece units run 86-101 lbs. With the right compact toilet in place, even the smallest powder room or half-bath can feel like a deliberate design choice instead of a layout compromise.