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Toto Construction in Austin, TX | Mason Remodeling Co Austin
We’re an independent Toto service provider working across Austin, and we handle everything from single toilet swaps to full Bathroom Remodeling in Austin built around Toto fixtures. What makes our Toto work different here is that we know exactly how Austin’s hard water, shifting clay soils, and older housing stock affect these specific fixtures, and we plan for it before we ever unload a tool bag. If you need Toto service in Austin, call (903) 623-1966 for a straight answer and a written price before any work starts.
Our crews know Toto’s engineering inside and out because we’ve installed and repaired hundreds of these fixtures in Austin homes, from Mueller bungalows to Tarrytown remodels. We’re not manufacturer-affiliated or authorized, which means we answer to you, not a corporate warranty department. Explore our Toto sales & service page to see the full scope of what we cover.
Why Austin Residents Choose Us for Toto Service

Isaac Pruett, our owner and an Austin General Contractor, learned construction at Los Angeles Trade-Technical College and has been solving bathroom and structural problems for years, including plenty of Toto-specific work across Austin. He’s the kind of contractor who will tell you a $400 control board doesn’t make sense on a six-year-old Washlet seat, because replacing the seat is the smarter call. “Tell me what’s wrong with it. We’ll figure out what it actually needs.”
We stock OEM Toto parts, and when a specific component is not on the truck, we source it from Ferguson or Winsupply the same day. That means less waiting for Austin homeowners. Every technician who arrives at your door is background-checked, identity-verified, wearing a clean uniform, and carrying a photo ID badge under the Threshold Standard. You’ll know their name and see their photo before they arrive. And because we’re local to the Austin service area, we understand what this city’s water and soil do to plumbing fixtures over time.
Styles & brands we work with







Common Toto Construction Problems We Solve in Austin
- Calcium scaling on Washlet wand nozzles. West Austin’s hard water deposits calcium on Washlet C5 spray nozzles within weeks, not months. Weak spray pressure or sputtering is the first sign. We descale nozzles, check the water softener feed if one exists, and set up a maintenance schedule that matches your neighborhood’s water hardness.
- Wax seal failures on skirted Toto toilets east of I-35. The blackland prairie clay east of the interstate shrinks and swells with every drought and rain cycle. That subtle floor movement cracks wax seals under Toto skirted toilets, causing slow leaks that rot the subfloor before you ever see water on the tile. We address the seal and the floor movement together, not just one symptom.
- Condensation and dripping tanks in pre-1950s bungalows. Austin’s older pier-and-beam homes trap humidity in small bathrooms. Condensation forms on Toto tank exteriors, drips onto wood floors, and looks exactly like a supply-line leak. We add insulated tank liners and address bathroom ventilation so the problem stops at the source.
- Dead control boards on Washlet seats after summer thunderstorms. Central Texas sees sharp power surges during storm season. They take out the control boards on Toto Washlet seats, leaving heated seats and bidet functions dead while the toilet still flushes fine. We diagnose the board versus the cord versus the seat heating element before recommending any repair.
- Double-flushing or phantom running on Drake II toilets. Hard water scale builds up on the fill valve and flapper over time, causing the Drake II to double-flush or run a few seconds after the tank refills. Austin’s water means this happens faster here than in other markets. We rebuild with OEM Toto fill valves and flush valves rather than generic substitutes that don’t match Toto’s engineering tolerances.
Toto Service in Austin: What Local Conditions Mean for Your Equipment
Austin’s Save Our Springs Ordinance limits impervious cover in the Barton Creek watershed, which means many homeowners in neighborhoods like Tarrytown cannot expand their bathroom footprint even when they want more space. So our Toto work there often involves squeezing a Neorest or Washlet into an existing 5×8 bath while keeping the same wall locations. We plan around what is already there, not what a demo crew could open up in a suburban build. That constraint shapes everything from drain rough-in positioning to where we mount the outlet for a Washlet seat. If you live in the Barton Creek watershed and want a Toto fixture, call (903) 623-1966 and ask for the specific options that fit your existing square footage.
Toto Models & Products We Service in Austin
We work on the full Toto lineup that Austin homeowners actually install, including the Drake II (CST454CEFG), Ultramax II (MS604114CEFG), Washlet C5 (SW3074), and Neorest 700H. Our parts approach is simple: OEM Toto components first, because generic substitutes do not fit Toto’s Tornado Flush rims or skirted bowl tolerances. We keep common fill valves, flush valves, and gaskets in local Austin inventory for fast turnaround, and we pull specialty parts from Ferguson or Winsupply within the day. If we cannot get a genuine part the same day, we tell you before we schedule, not after we show up.
See the difference
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AfterToto Service Pricing in Austin

Here are the line-item ranges we quote most often for Toto work in Austin:
| Service | Price Range |
|---|---|
| Toto Drake II toilet installation (labor only) | $425 – $675 |
| Washlet C5 bidet seat installation | $250 – $400 |
| Walk-in shower remodel with Toto tub-to-shower conversion | $4500 – $12000 |
| Small bathroom remodel with new Toto Ultramax II | $5000 – $12000 |
What drives the final number is access to the existing flange, the condition of the subfloor, and whether we are moving any plumbing or electrical. A free estimate includes a written, line-by-line price before any work starts, so you never get a verbal number that grows at the end. Call (903) 623-1966 for an exact quote, and we will put everything in writing.
Key Takeaways
- We are an independent Toto contractor serving Austin, not manufacturer-affiliated or authorized.
- Every Austin Toto service call gets a written price before work starts.
- OEM Toto parts, sourced locally from Ferguson or Winsupply, are standard on our repairs.
- We know how Austin’s hard water, clay soil, and Save Our Springs constraints affect Toto fixtures.
- Free estimate, guaranteed workmanship, and a live person answers the phone at (903) 623-1966.
Serving Austin, TX - Our Local Coverage Area
We’re based in the Austin area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in Austin
The grinding noise is almost always calcium scale built up on the wand motor or the seat’s internal heating element, which happens faster in Austin because of West Austin’s hard water. We descale the motor and wand assembly with a Toto-safe process. If the scale has damaged the gears, we will tell you whether a replacement seat makes more financial sense than a motor repair. Call (903) 623-1966 and we will give you a straight answer, not a parts-chasing bill.
Yes, and we’ve done exactly that on older pier-and-beam homes across central Austin, where bathrooms sit on wood floors rather than concrete slabs. We cut out the rusted cast-iron flange from above, access the pipe from the crawl space below, and install a new OEM Toto-compatible flange with a jumbo wax ring to account for minor settling. A homeowner on Kerbey Lane in Tarrytown needed this exact repair on a 1952 bungalow, and we had the new Drake II set and level the same afternoon. Call (903) 623-1966 for an assessment.
Yes, Austin generally requires a permit when you relocate plumbing fixtures, even within the same bathroom, because the city’s plumbing code applies to drain, vent, and water supply changes. We pull permits on any job that changes waste or vent routing, and we get inspections passed before we call the job done. If you are only swapping a toilet in the same location, no permit is needed. Call (903) 623-1966 and tell us the plan, and we will tell you exactly what the city requires.
Hard water scale on the fill valve and flush valve is the usual culprit, and Austin’s water chemistry accelerates that scale buildup. We rebuild the tank with OEM Toto fill valves and flush valves, which resets the flush timing and stops the phantom running. Generic flappers don’t seat properly in Toto’s 3-inch flush valve, which is why we never substitute. Call (903) 623-1966 for a same-week repair in most cases.
Yes, but it requires an electrician to add a dedicated circuit behind the toilet, which is a standard part of our Neorest installs. The 12-inch rough-in itself is fine for the Neorest 700H, but the outlet work is non-negotiable because that unit draws real power for the integrated bidet and heated seat. In Austin’s older central neighborhoods, that often means fishing wire through plaster walls or running a surface channel. Call (903) 623-1966 for a free estimate, and we will give you a written price that includes the electrical work.
Service Areas Near Austin
Our Toto construction service covers Austin proper and the surrounding communities. We regularly work in Round Rock, where Toto service in Round Rock covers everything from Drake II replacements to full bathroom remodels. In Pflugerville, Toto service in Pflugerville handles Washlet installs and tub-to-shower conversions. We also serve San Marcos, Brushy Creek, and Hutto.
Book Your Toto Service in Austin Today
Call (903) 623-1966 to schedule your free Toto estimate in Austin. A live person answers, you will get a written price, and our crew shows up on time, in uniform, with a photo ID. That is the standard, not the exception.
Written by Isaac Pruett, Owner at Mason Remodeling Co Austin, serving Austin since 2004.











