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Toto Construction in Riverside, CA | Sawyer Remodeling
We install, repair, and rebuild Toto toilets, Washlets, and faucets across Riverside, and we’ve been doing it long enough to know exactly how this city’s hard water eats at the brand’s internals. Most of our Toto work here comes down to one thing: mineral scale. It clogs fill valves, corrodes Washlet boards, and turns routine flushes into slow, weak, running messes. If you own a Toto in Riverside, call (254) 272-5876 and tell us what it’s doing. We’ll give you a written price before any work starts.
We’re Sawyer Remodeling, an independent Fontana Toto service provider serving all of Riverside. That means we’re not manufacturer-authorized, which is a good thing for you: we tell you when a genuine Toto part is worth the money and when a proven aftermarket kit does the same job for less. Our crew handles everything from a sticky fill valve to a full bathroom rebuild around a new Toto suite.
Why Riverside Residents Choose Us for Toto Service

Luca Romano, our owner, grew up watching his uncle gut and rebuild a duplex in Silver Lake one weekend at a time, then spent two decades after Los Angeles Trade-Technical College swinging tools across LA and the Inland Empire. He’s the reason our crew treats a $45 fill valve swap with the same attention as a $28,000 bathroom remodel. Good work doesn’t need a sales pitch, it just needs to be done right. That’s how we approach every Toto job in Riverside.
We know Toto’s product lines the way a mechanic knows a car’s engine. The Drake’s flush tower gasket fails in high-use Riverside households. The Ultramax II’s skirted bowl hides mineral buildup where you can’t see it. And the Washlet’s control board is the first thing Riverside’s hard water kills. When you call, you get a background-checked, uniformed tech who knows what they’re looking at, not a salesperson reading from a script. Every visit starts with a written price and a live arrival time. No guessing, no four-hour windows.
Styles & brands we work with







Common Toto Construction Problems We Solve in Riverside
- Running toilets from scale-clogged fill valves. Riverside’s water leaves calcium and mineral deposits inside the Toto 528 and 526 fill valve assemblies. The valve sticks open, water runs continuously, and your water bill climbs. We flush the system, replace the valve with a genuine Toto part when it’s salvageable, and reseat everything so the tank fills and stops the way it should.
- Weak, incomplete flushes from flush tower gasket failure. In high-use Riverside homes, especially rentals and multi-bathroom households, the Drake’s flush tower gasket wears out and lets water slip past before the flush completes. The bowl doesn’t clear, you flush twice, and the problem gets worse. We rebuild the flush tower and test it under load before we leave.
- Washlet control boards and pumps failing from hard-water corrosion. The Washlet C and S series bidet seats are the most expensive part of many Riverside bathrooms, and this city’s mineral-heavy water is rough on their internals. Boards corrode, pumps seize. We diagnose the exact failure and replace only what’s dead, not the whole unit, unless the board is past saving.
- Mineral streaking and staining on one-piece and skirted Toto models. If you own a Toto Ultramax II or another one-piece bowl in Riverside, you’ve seen the brown and white streaking that builds up along the bowl’s inner walls and rim jets. Sitting water, especially in guest bathrooms or seasonal homes, makes it worse. We descale the rim jets and bowl properly, without scratching the finish.
- Toto EcoPower and EcoVessel faucet failures. Touchless faucets rely on small solenoids and sensors. Mineral buildup from Riverside’s water blocks them, causing inconsistent flow or no flow at all. We clean or replace the solenoid and verify the sensor range, so the faucet actually responds when you put your hands under it.
Toto Service in Riverside: What Local Conditions Mean for Your Equipment
Riverside’s water runs hard and mineral-heavy, which is exactly why Toto toilets and Washlets in this city mineralize and fail differently than they would in softer-water markets like the coastal cities. The calcium and magnesium content in Riverside’s water supply leaves deposits on every internal surface that touches water. That means routine descaling and the right fill-valve and pump replacement matter more here than generic “toilet repair” would suggest. In neighborhoods like the Wood Streets, where many of the homes still have original plumbing runs and older supply lines, the problem compounds compared to what we’d see with Toto in San Bernardino. We recently serviced a Toto Drake two-piece toilet in the Wood Streets whose fill valve had clogged with scale, causing it to run constantly. Our tech swapped in the correct Toto fill valve and flush tower gasket, cleared the mineral buildup from the bowl rim jets, and the toilet stopped running and flushed clean. The homeowner mentioned our crew finally addressed a problem the previous company kept patching.
Toto Models & Products We Service in Riverside
We work on the full Toto lineup for Riverside homes: the Drake CST744 series two-piece toilets, the Ultramax II one-piece models, Washlet C and S series bidet seats, and EcoPower and EcoVessel touchless faucets. When a part has failed, we install genuine Toto fill valves, flappers, and flush towers if the casting and electronics are still sound. For discontinued or hard-to-source pieces, we recommend a proven aftermarket or retrofit kit rather than overpaying for a part that isn’t special. We stock common Toto parts locally for fast Riverside turnaround, so you’re not waiting a week on a fill valve. We also handle full Toto sales & service for homeowners replacing an entire suite.
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AfterToto Service Pricing in Riverside

Toilet repair in Riverside runs about $175 to $375 for most fill valve, flapper, or flush tower fixes, depending on the part and how much descaling the bowl needs. Full bathroom scopes are bigger, and we want you to know the range before you call:
| Service | Riverside Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
What changes the number: the condition of your existing plumbing, whether you’re moving walls or fixtures, the finish level you choose, and whether we’re repairing a Toto in place or rebuilding around it. Every estimate is written and line-itemed, so the invoice matches the number you approved. Call (254) 272-5876 for an exact quote, free.
Serving Riverside, CA - Our Local Coverage Area
We’re based in the Riverside area and know this community well, including nearby Toto service in Moreno Valley. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in Riverside
We repair first. The most common Riverside failure is a corroded control board or seized pump from hard-water mineral buildup. We test the board, check the pump, and replace only the dead component with an OEM part when the rest of the unit is solid. If the board is badly corroded, we’ll tell you replacement costs less than repeated repairs and give you a written price on the spot. Call (254) 272-5876 for a diagnostic.
Yes, we replace toilets as a standalone job all the time in Riverside. We pull the old unit, inspect the flange, install the new Toto (often a Drake or Ultramax II), and haul the old toilet away. If the flange is cracked or the supply line is corroded from years of Riverside water, we’ll quote that fix before touching anything. Most swaps take a few hours, not days.
Most Toto repairs in Riverside fall between $175 and $375 for a fill valve, flapper, or flush tower. That includes the part and labor. Washlet board or pump replacement runs higher because the parts cost more. You’ll get a written line-item quote before we start, and the invoice won’t move from that number. Call (254) 272-5876 for your exact price.
Yes. Bring us the model number or show us the box, and we’ll install it. We’ll also flag anything that could fail early in Riverside’s water, like a wrong fill valve for your supply pressure or a Washlet seat that needs a dedicated outlet. If you bought a part that won’t hold up here, we’ll tell you before we install it.
Yes, and it’s not close. Toto’s fill valves and flush towers are engineered precisely, which means mineral buildup jams them faster than looser-fitting knockoff parts. The Drake’s flush tower gasket and the Washlet’s pump are both sensitive to the calcium levels in Riverside’s water. Routine descaling and the right replacement parts prevent most of the failures we see. Call (254) 272-5876 if yours is running or flushing weak.
Service Areas Near Riverside
We handle Toto service throughout the Riverside service area, including Wood Streets, Casa Blanca, Arlington Heights, and Victoria. Our crew also covers nearby cities across the Inland Empire and down into Orange County, including Toto service in Irvine and Toto service in Santa Ana.
Book Your Toto Service in Riverside Today
If your Toto is running, leaking, or flushing weak in Riverside, don’t wait for a small problem to become a bathroom-totaler. Call (254) 272-5876 for a free estimate. We’ll send a background-checked tech, give you a written price, and fix it right the first time.
Written by Luca Romano, Owner at Riverside General Contractor Sawyer Remodeling, serving Riverside since 2005.











