A Penhallow company - serving Riverside, CA
A remodeled primary bathroom with a soaking tub and a walk-in shower
Toto · Riverside, CA

Toto Construction in Riverside, CA

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A freestanding soaking tub in a remodeled primary bathroom
A walk-in shower with large-format tile and a built-in niche
A remodeled hall bathroom with subway tile and a floating vanity
A remodeled hall bathroom with patterned floor tile and painted walls
A low-threshold walk-in shower with a bench and grab bar
A galley kitchen opened up to the dining room with a new peninsula
A remodeled family room with new windows and a window seat
A wide opening with a new beam where the kitchen wall was removed
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Toto Construction in Riverside, CA | Penhallow Remodeling Riverside

We provide independent Toto service across Riverside – installation, repair, and bathroom remodeling in Riverside built around Toto fixtures. The one thing that makes our Toto work here different is that we actually know what Riverside’s pre-1980 homes and hard water do to these fixtures. Trever Nash and his Riverside crew have pulled enough Toto Drakes and Washlets out of Wood Streets bungalows to know exactly what fails, why it fails, and what to do about it. Call (341) 895-1170 for a written price before we pick up a tool.

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Penhallow Remodeling Riverside is not a Toto authorized dealer or a manufacturer affiliate. We’re an independent Riverside general contractor who happens to know Toto fixtures inside and out – because our Toto sales & service work spans every build type this city offers. That independence means we tell you the truth about parts, pricing, and whether a repair is even worth doing.

Why Riverside Residents Choose Us for Toto Service

A wood double vanity with two mirrors after a bathroom remodel

Riverside homeowners call us because we don’t flinch at the odd stuff. A 1926 Craftsman off Magnolia Avenue with a rear-outlet toilet and a cast-iron flange that’s seen better decades? We’ve done it. A 2019 tract home in Orangecrest where the Toto Washlet wand is crusted with hard-water scale? Same. The difference is that we give you a number before any work starts – written, not verbal – and that number doesn’t change unless we both agree in writing that the scope changed.

Trevor Nash got his start at LA Trade-Tech and has spent the better part of two decades working construction across the Inland Empire, including real hours on Riverside projects where older homes keep you honest about what’s behind the walls. His crew knows which Toto models hold up to Riverside’s water and which need specific prep for the seismic codes. Every technician is background-checked and uniformed, so you know exactly who’s walking through your door. And if the work fails inside a year, our 365-Day Done Right Promise says we come back and fix it at no charge. In writing.

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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
Fence
Fence

Common Toto Construction Problems We Solve in Riverside

  • Hard water scaling inside Washlet wands and rim jets. Riverside’s water is genuinely hard – loaded with calcium and magnesium. That scale builds up inside the tiny nozzle openings on a Washlet and the rim jets under a Drake’s bowl, and flush quality drops off fast. We descale and service these regularly across Riverside homes.
  • Flapper and fill valve failures from summer heat. Riverside summers routinely top 100°F, and many older homes here have unconditioned bathrooms where interior temps climb. Rubber flappers and fill valves degrade faster in that heat than they do in coastal climates. We replace them with parts that meet Toto spec and hold up better.
  • Tank-to-bowl gasket leaks from seismic shifting. Pre-1980 Riverside homes that haven’t been retrofitted move during seismic events – and that’s especially true in neighborhoods like the Wood Streets and Magnolia Center. The tank shifts, the gasket between tank and bowl compresses unevenly, and you get a slow leak. We see this constantly.
  • Electrolytic corrosion on supply line connections. Older Riverside basements and crawlspaces get humid, and when you mix brass and galvanized supply lines – common in pre-1980 homes – you create a little galvanic cell that eats the connection. We replace mixed-metal connections with proper dielectric unions before they fail.
  • Rear-outlet toilet failures in historic Riverside homes. Riverside’s original 1920s sewer laterals in some neighborhoods run too low for standard floor-flange toilets. Many older homes need rear-outlet Toto models, and when those fail – cracked cast-iron flanges, broken rear seals – you need a crew that knows what they’re looking at. We do.

Toto Service in Riverside: What Local Conditions Mean for Your Equipment

A remodeled primary bathroom with a soaking tub and walk-in shower

Here’s the thing most people don’t realize about Riverside until they own a Toto here: the city’s pre-1980 housing stock has an unusually high rate of floor-mounted rear-outlet toilets. The original 1920s sewer laterals in Wood Streets and Magnolia Center run too low to support standard floor-flange gravity toilets, which means many Toto replacements in those neighborhoods require a rear-outlet model or a custom offset flange. You won’t see that in Corona or Moreno Valley. It’s a Riverside problem, born of Riverside’s original infrastructure.

Combine that with Riverside’s hot, dry summers and the Santa Ana wind corridor, and you get a specific set of conditions for Toto construction work. Rapid concrete curing on new bathroom slabs – crews have to work fast and wet. Wind-blown debris getting into open valve lines during remodels – we cap everything. And the hard water that shortens the life of anything with small internal passages. We pulled a 1962 American Standard from a Magnolia Center rancher where the client wanted a new Toto Drake, but the cast-iron closet flange was cracked and the sewer lateral sat two inches below spec. Our crew chipped out the old flange, poured a new concrete collar with seismic anchors, and set a rear-outlet Toto Drake with a wax-free seal. No more rocking, no more sewer gas, and the client finally got the flush power they wanted without tearing up the slab.

Toto Models & Products We Service in Riverside

We work on the full Toto line you’re likely to find in Riverside homes. That includes the Neorest (the integrated washlet-plus-toilet with the electronic bidet seat), the Drake (the workhorse two-piece that’s probably in half the remodeled bathrooms in this city), the Ultramax (one-piece, quieter flush), and the Washlet series (the bidet seats). For anything under active warranty or any Neorest or Washlet electronics, we install genuine Toto parts – period. For out-of-warranty Drake and Ultramax models, we often recommend OEM-equivalent aftermarket flappers and fill valves that meet Toto spec, because Riverside’s hard water eats them at the same rate and it saves you real money. Our honest call: if a toilet is over 15 years old and the porcelain glaze is worn, replacement with a new Drake is usually cheaper long-term than chasing recurring leaks.

Before & after

See the difference

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

Toto Service Pricing in Riverside

Here’s what Toto work actually costs in Riverside. These are real ranges, not vague ballparks. What drives the number: the age of your home, whether you need a rear-outlet setup or a flange repair, the model of Toto you’re installing, and the condition of your existing plumbing. Every estimate we give is written and itemized before work begins – the number you get on day one is the number on the invoice. Call (341) 895-1170 and we’ll come out, look at what you’ve got, and hand you a written price.

Service Riverside Price Range
Full Bathroom Remodel with Toto installation $9000 – $28000
Small Bathroom Remodel with Toto toilet swap $5000 – $12000
Walk-In Shower Installation (Toto shower fixtures) $4500 – $12000
Toto toilet replacement labor (including flange repair) $400 – $1800

Serving Riverside, CA - Our Local Coverage Area

We’re based in the Riverside 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 Riverside

Service Areas Near Riverside

We serve Riverside and the surrounding Inland Empire communities. Our crews work regularly in Anaheim, Ontario, San Bernardino, Menifee, and Claremont. If you’re outside the immediate Riverside core but need Toto service, give us a call – our Riverside service area covers the whole region. We also offer Toto service in Anaheim and Toto service in Ontario for homeowners there.

Book Your Toto Service in Riverside Today

If your Toto fixture is failing, leaking, or just not flushing like it used to, call (341) 895-1170. We’ll answer in person, schedule a visit, and give you a written price before any work starts. Give you a number before we pick up a tool – that’s just how this works.

Written by Trevor Nash, Owner at Penhallow Remodeling Riverside, a Riverside General Contractor serving Riverside and the Inland Empire since 2004 under the Kingswell standard.

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Getting started with Penhallow in Riverside

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A local crew that works across Riverside and the towns around it, to the same written standard as every Penhallow location.

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