Toto Construction Service Nationwide

Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as $199/month*on approved credit; ask for current terms
Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Why Los Angeles Homeowners Choose Toto Construction

We’re an independent Toto repair in Los Angeles provider, and we’ve torn out and rebuilt enough of their fixtures across this city’s older housing stock to know exactly how they fail here. Hard water, slab floors, and 1960s-era rough-ins create predictable problems with Toto toilets and Washlet seats, and we fix them with genuine parts and honest repair-vs-replace advice. If your Toto Drake keeps running, your Ultramax rocks on a settled slab, or your Washlet lost its warm-water function, call (936) 259-2607 and we’ll give you a written price before any work starts.

Call (936) 259-2607

Toto builds some of the most durable toilets and bidet seats on the market. They’d be nearly boring if not for one thing: Los Angeles water and Los Angeles construction make demands no manufacturer’s test bench simulates. We see the same symptoms across neighborhoods from Silver Lake to the Valley, and we’ve learned which repairs hold and which ones just delay a replacement. We are not affiliated with or authorized by Toto. We’re a general contractor that happens to know their product lines better than most, because we’ve had to work around their engineering decisions on real bathroom remodels and Walk-In Shower Installation projects all over Los Angeles.

Why Trust Penhallow Remodeling for Your Toto Construction?

Trevor Nash grew up in Reseda watching his uncle gut and rebuild the older ranch houses that fill the Valley, and that early exposure taught him something most contractors miss: a fixture’s failure is rarely random. There’s always water chemistry, floor movement, or installation history behind it. Our crew brings that same pattern recognition to every Toto job we touch in Los Angeles. When a Toto Drake starts phantom-flushing three years after install, we don’t just drop in a flapper. We check the fill valve for mineral crust, inspect the flush valve seat, and ask when the floor was last re-tiled. That’s the difference between a repair that lasts and one that fails again by next summer.

We keep current on Toto’s actual part families and rough-in specs without any manufacturer authorization or warranty endorsement. The knowledge comes from field work, not a training deck. We know which fill valves fit which CST series, when an aftermarket part is fine and when it’s a false economy, and how to work around Toto’s rough-in dimensions without forcing a connection where one doesn’t belong. Every technician arrives background-checked and in uniform, and every job gets a written price before work starts. If the repair fails inside a year, the 365-Day Done Right Promise means we come back and fix it at no charge. That’s in writing.

Common Toto Construction Problems We Fix in Los Angeles

  • Running or phantom-flushing Drake and Ultramax toilets. Los Angeles water is hard. Calcium and magnesium settle on fill valves and flappers within three to five years, especially on Toto Drake (CST743 / CST454) and Ultramax (MS604 / MS854) models. The fill valve can’t seat fully, water seeps past, and the tank refills at random intervals. Half the time the flapper still looks fine, so the owner replaces the wrong part and the problem persists. We clean or replace the fill valve and test the flush on site.
  • Rocking or seeping toilet bases on slab floors. Toto’s elongated, higher-seat bowls sit on a wax ring and floor flange. In older Los Angeles homes with settled concrete slabs, that flange can drop or tilt just enough to break the wax seal. You get a slow floor leak you won’t always see until damage shows at the baseboard. We pull the bowl, inspect the flange, reset it level, and install a new wax ring and bolts. During a bathroom remodel this is the cheapest moment to fix it, because the floor is already open.
  • Washlet bidet seats that power on but stop spraying or heating. The inlet filter and heater element inside Toto Washlet C-series and S-series seats collect mineral scale in West LA and Valley water over time. The unit still lights up, but the warm-water function drops out or the spray weakens. We open the seat, replace the inlet filter, and diagnose the heater circuit. Some of these seats are worth repairing; some boards cost more than a new seat. We’ll tell you which one you have before ordering parts.
  • Seized tank-to-bowl hardware during tile or flooring tear-outs. Original Toto tank bolts and gaskets rust and seize over time, especially in bathrooms without good ventilation. When we’re remodeling a Los Angeles bathroom and the toilet has to come out, these bolts often snap. We keep replacement tank kits on hand so a stuck bolt doesn’t turn a three-hour job into a three-day wait. We never try to drill out a seized bolt on a porcelain tank in place; the risk of cracking it isn’t worth the saved time.
  • Ghost leaks at the supply line connection. The stop valve behind a Toto toilet gets mineral buildup on its threads, and the supply line can’t seat cleanly. You get a tiny drip that only shows under the right light. We replace the supply line, clean the stop valve threads, and confirm the connection holds under pressure before we call the job done.

Toto Parts & Our Repair-vs-Replace Approach

We stock genuine Toto repair kits, OEM fill valves, flappers, and Washlet inlet filters for the models we see most in Los Angeles. Drakes and Ultramaxes show up on nearly every bathroom remodel we run, so it makes sense to have the right parts on the truck. When a real Toto part is backordered and a homeowner can’t wait, we’ll use a vetted aftermarket brass or silicone replacement from a supplier we know. We will not install cheap import valves that dissolve inside two years. Those parts turn a $50 fix into a $300 repair with water damage attached.

The repair-vs-replace call comes down to the fixture’s age and what’s failed. We were called to a Silver Lake bathroom remodel where the owner’s 12-year-old Toto Ultramax had been running constantly, and our tech traced it to a mineral-crusted fill valve and a warped flapper rather than the flapper alone. We pulled the toilet to redo the slab-flange connection during the tile work, installed an OEM fill-valve kit and a new wax ring, and reinstalled it on the new floor. The owner paired that repair with a Walk-In Shower Installation in the same bath, and the toilet has run clean ever since. That’s the pattern we follow: fix what’s worth fixing, and be straight when replacement makes more sense. Call (936) 259-2607 for an honest read on your Toto fixture.

Our Toto Service Process – Step by Step

  1. 1
    Diagnosis. You describe the symptom. We ask the questions that matter: what model, what year, what type of floor, what water heater’s feeding it. If we’re on site, we check the fill valve, flapper, supply line, and floor flange before touching anything.
  2. 2
    Repair or install. We write you the exact price, you approve it, and only then do we pull a tool. Every job gets a defined arrival window, and we leave the bathroom cleaner than we found it.
  3. 3
    Testing. We run the Toto fixture through its full cycle: fill, flush, refill, and no-leak check. For Washlet seats, we test every function including the warm-water and seat heat circuits. If it doesn’t test clean, we don’t call it done.
  4. 4
    Warranty. Every repair and install carries our 365-Day Done Right Promise in writing. If the fix fails inside a year, we come back and make it right at no charge. No service call fee, no re-inspection fee, no fine print.

Toto Products We Service & Install in Los Angeles

We provide Toto service in Long Beach and across Los Angeles, covering core residential lines: Drake and Drake II two-piece toilets (CST743 and CST454 series with G-Max and Double Cyclone flushes), Ultramax and Ultramax II one-piece models (MS604, MS854 series), and Washlet C-series and S-series bidet seats including the S500e, C5, and K300. We also work on Toto EcoPower and EcoSeries sensor faucets and flush valves, which show up in commercial-turned-residential retrofits around Los Angeles. Our local stock covers the common repair kits and filters for these lines. For Full Bathroom Remodeling projects, we’ll coordinate the Toto fixture install with vanity, tile, and shower work so everything lands in the right sequence.

We Also Service These Brands

The Toto knowledge doesn’t live in a vacuum. The same Los Angeles bathrooms we work on have KraftMaid or Wellborn cabinets, Cambria or Silestone countertops, Kohler or Moen fixtures, and Blanco sinks. We’re multi-brand by necessity, because a real bathroom remodel touches all of it. You don’t need one contractor for the toilet and another for the tile. We handle the full scope, Toto included.

FAQs – Toto Construction Service in Los Angeles

Service Typical Los Angeles Price Range
Bathroom Remodel (including Toto fixture reinstall) $10,620 – $33,040
Walk-In Shower Installation $5,310 – $14,160
Bathroom Vanity Installation $945 – $3,540
Tub-to-Shower Conversion $4,130 – $11,800

You get the exact written price before any work starts, and that’s the number on the invoice. Call (936) 259-2607 for a free estimate on your specific Toto project.

Book Your Toto Service in Los Angeles, CA

Give me the whole picture first, then we pick up the tools. Call (936) 259-2607 and tell us what your Toto fixture is doing. We’ll set a defined arrival window, put a written price in your hands, and stand behind the work with the 365-Day Done Right Promise.

Written by Trevor Nash, Owner at Penhallow Remodeling, serving Los Angeles since the Kingswell Guarantee began in 2004.

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