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Toto Construction in Pico Rivera, CA | Sawyer Remodel Pasadena
We provide independent Toto sales, installation, and repair across Pico Rivera, and the work we do here is shaped by something most plumbers don’t talk about: this city’s slab-on-grade foundations. A Toto toilet in Pico Rivera doesn’t just sit on the floor; it sits on a concrete slab that moves with the San Gabriel Valley’s expanding and contracting soil. That single fact changes how your flange gets set, how your supply lines connect, and why a toilet that was fine in El Monte can fail here in three years. Call (626) 657-5396 for service that accounts for what’s actually under your bathroom floor.
We’re not a parts counter. We’re a remodeling crew that has torn out and rebuilt more Toto-equipped kitchens and baths across Pico Rivera’s slab-on-grade tract homes than any local general contractor. That includes stubbed supply lines, venting challenges from converted garages, and the mineral scale that shortens Toto component life in this city’s water. If you’re looking for Toto sales & service with real installation depth, that’s us.
Why Pico Rivera Residents Choose Us for Toto Service

Luca Romano, our owner and Pico Rivera General Contractor, grew up in East Los Angeles and spent two decades getting his hands into every kind of framing, tile, and full bathroom gut-out you can name. He’s walked through enough 1950s and 1960s Pico Rivera tract homes to know exactly where a Toto fixture is going to fight the house: the supply stub, the flange, the slab.
We install OEM Toto parts on toilets under eight years old. Fill valves, flappers, gaskets – the real ones, not the knockoff that works for a month. For Pico Rivera’s mineral-rich water, that’s not a preference; it’s how you keep a Drake II flushing the way Toto designed it. And because we’re local to the Pico Rivera service area, we don’t treat this zip code like a drive-by. We know the streets, the housing stock, and the way these homes settle.
Styles & brands we work with







Common Toto Construction Problems We Solve in Pico Rivera
Here’s what we see week after week in Pico Rivera homes:
- Fill valve failure from hard-water scale. Pico Rivera’s water carries enough minerals that we regularly see Toto fill valves crusted to the point of slow tank refill or a constant hiss. OEM replacement fixes it, but only if the water’s contribution is addressed at the same time.
- Flapper gasket warping from slab heat. Homes on uninsulated slab foundations let ground heat rise through the floor. That heat dries and warps Toto flapper gaskets, causing phantom flushes or weak bowl siphon. A generic repair swaps the part and blames the toilet; we know the slab is the culprit.
- Supply line pinhole leaks at the fixture connection. Pico Rivera’s original galvanized water lines corrode from mineral-rich water. Where they meet Toto supply connections, pinhole leaks behind walls are common. We address both the leak and the galvanized stub that caused it.
- Skirted bowl mounting bolts loosening from slab settling. Toto’s skirted bowls are sleek, but when the slab shifts, mounting bolts can loosen and the wax ring fails. We re-level and set it properly, not just give the toilet a shim and hope.
- Electronic bidet seat failures on older Neorest units. Pico Rivera’s hot, dry summers aren’t kind to aging electronic components. When a Neorest seat fails out of warranty, we’ll show you the honest math against a brand-new Drake II and let you decide.
Toto Service in Pico Rivera: What Local Conditions Mean for Your Equipment
Here’s the thing no generic Toto service page will tell you. Because Pico Rivera’s 1950s tract homes sit on slab foundations with no crawlspace, every Toto toilet flange and supply stub must be re-leveled after our crews address the slab settling common on homes along the Rio Hondo corridor. Homes off San Gabriel River Parkway and along the old river channel sit on soil that expands when wet and contracts when dry. That movement doesn’t crack your toilet; it cracks what your toilet is bolted to. When the slab drops a quarter inch, your Toto might look fine from the front. But underneath, the wax ring has compressed on one side, the supply line is now torqued at a weird angle, and you’re one small earthquake away from water seeping under your tile. We fix that before it leaks. That’s the step you won’t find on a generic Pico Rivera plumbing page, because most plumbers aren’t looking at the slab, the flange, and the supply stub as one system. We are.
Toto Models & Products We Service in Pico Rivera
We work on the Toto Drake II (CST454CUFG), the Ultramax II (MS604114CEFG), the Neorest (MS992CUMFG), and the Promenade (CST424SFG), plus most other Toto bowls and tanks in the field. For the Drake II and Ultramax II, we keep OEM fill valves, flappers, and gaskets on hand for fast Pico Rivera turnaround. For older Neorest units with failed electronic bidet seats, we’ll always show you the replacement cost against a new Drake II. Sometimes the smart money is on the new toilet, not the repair. We’ll tell you straight, because our job is getting your bathroom working for the next decade, not selling you a part today.
See the difference
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AfterToto Service Pricing in Pico Rivera

You shouldn’t have to call blind. Here are the line-item ranges we give Pico Rivera homeowners before anywork starts:
| Service | Price Range |
|---|---|
| Full Bathroom Remodeling with Toto toilet install | $9,000 – $28,000 |
| Small Bathroom Remodel with Toto toilet replacement | $5,000 – $12,000 |
| Walk-In Shower Installation including Toto tub-to-shower conversion | $4,500 – $12,000 |
| Toto toilet supply stub repair (galvanized to PEX) | $400 – $900 |
| Toto fill valve and flapper replacement (OEM) | $150 – $350 |
Your free estimate includes a written price before work starts, so the invoice matches the number you approved. No change orders because we missed something. No surprises at the door. Call (626) 657-5396 to lock in an exact quote.
Serving Pico Rivera, CA - Our Local Coverage Area
We’re based in the Pico Rivera 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 Pico Rivera
Why does my Toto Drake II keep running long after a flush in my Pico Rivera home? In Pico Rivera’s mineral-rich water, the most common cause is scale buildup on the fill valve, which leaves the valve open too long and the tank refilling slowly. The second cause is a warped flapper gasket, often from slab heat rising through an uninsulated 1950s floor. We replace both with OEM Toto parts and check the slab’s contribution while we’re there. Call (626) 657-5396 for a free estimate on the repair.
Can a Toto Neorest be installed on a slab foundation in a 1950s Pico Rivera home without breaking the floor? Yes, if the rough-in is close to standard 12-inch and the flange is level after any slab settling is addressed. But Neorest units are heavy and the skirted base is less forgiving of a tilted flange, so we re-level the flange properly before setting the toilet. In some cases that means chipping back a little tile, but we won’t jackhammer your slab open unless there’s a genuine structural problem. Call (626) 657-5396 and we’ll tell you what your specific floor needs.
Is the Toto Ultramax II worth the extra cost over the Drake for Pico Rivera’s small bathrooms? For most Pico Rivera tract homes, yes. The Ultramax II’s one-piece skirted design has fewer seams and a slightly smaller footprint, and its skirt hides the mounting bolts that slab settling tries to loosen. The Drake II is a great toilet, but in a tight 5×7 bathroom with a slab underneath, the Ultramax II often earns its price. Call (626) 657-5396 for a quote on either model.
My Toto toilet is wobbly after the recent earthquakes – can that damage the plumbing in a slab home? Yes, and it’s more serious in Pico Rivera than in a house with a crawlspace. On a slab, a wobbling toilet means the wax ring underneath has likely compressed unevenly, and every rocking motion is stressing the supply line connection. Left alone, you get a slow sewer-gas leak or water seeping under your tile. We re-level the flange, install a reinforced wax ring, and replace the supply stub if it’s galvanized. Call (626) 657-5396 before a wobble becomes a wall repair.
Do you need a building permit to replace a Toto tub-shower combo with a walk-in shower in Pico Rivera? In Pico Rivera, yes, converting a tub-shower to a walk-in shower typically requires a plumbing permit, and if you’re moving the drain or changing the wet-wall framing, a building permit too. We pull the permits, manage the inspections, and don’t consider the job done until it passes. Call (626) 657-5396 and we’ll walk you through the specific requirements for your project.
Service Areas Near Pico Rivera
We serve Pico Rivera and the surrounding communities. If you’re in Arcadia, Pasadena, Alhambra, Baldwin Park, or Downtown Los Angeles, our crew makes the drive. Same Toto expertise, same written pricing, same slab-aware approach.
Book Your Toto Service in Pico Rivera Today
If your Toto is acting up or you’re planning Bathroom Remodeling in Pico Rivera, call (626) 657-5396. We’ll get a live person on the line, schedule a free estimate, and give you a written price before any work starts. No chasing, no surprises.
Written by Luca Romano, Owner at Sawyer Remodel Pasadena, serving Pico Rivera since 2005.











