







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why Orange County Homeowners Choose Toto Construction
We’re an independent Toto Construction in Orange County, CA service provider handling construction, repair, and remodel integration throughout the region. Our crews work inside Orange County homes daily, so we know how Toto’s fixture lines behave in local water conditions and remodel geometries, from Neorest washlets to Legato lavatory faucets, and we’ve developed specific workarounds for common in-wall and finish failures. We’re not authorized by Toto or affiliated with the manufacturer, but we buy their parts, fix their fixtures, and install their products inside full bathroom remodels, walk-in showers, and vanity projects every month. Call (424) 541-1701 if you need a Toto-specific problem solved correctly the first time.
Why Trust Penhallow Remodeling Orange County for Your Toto Construction?

Most Orange County plumbers can swap a flapper. Few can relocate a Neorest 500h rough-in during a walk-in shower expansion without damaging the carrier, the slab, or your patience. That’s the difference. Trevor Nash, owner of Penhallow Remodeling Orange County, learned the construction trade at Los Angeles Trade-Technical College and has spent decades managing crews across Southern California. He and his team have been working throughout Orange County for years, including Irvine Toto service projects in older residential neighborhoods near the Spectrum where homeowners are constantly updating 1980s and 90s builds. Trevor’s rule is simple: give you the number first, then pick up the tool.
Every Toto-related job gets a written price before we start, a written 365-Day Done Right Promise, and a real arrival window. If a Toto cartridge fails inside a year, we come back. No service call, no re-inspection fee. That’s the Kingswell standard, and we’ve held to it since 2004. Background-checked, uniformed technicians show up, diagnose the fixture, explain what’s wrong in plain language, and hand you a line-item quote before touching a valve. We prefer OEM Toto parts for all in-tank and electronic components because of their tight tolerances and proprietary seals.
Styles & brands we work with







Common Toto Construction Problems We Fix in Orange County
Here’s what we actually see in Orange County homes, week after week:
- Legato widespread lavatory faucet cartridge wear. The Legato line looks clean, but its ceramic disc cartridges collect mineral buildup from Orange County’s hard water, leading to drips and handles that bind. We replace the cartridge pair with OEM parts and lube the stem threads. Most repairs take under an hour.
- Drake and Aimes flush tower seal degradation. The flush tower gasket in these gravity-flush toilets warps over time, causing phantom flushes or a toilet that refills every twenty minutes at 2 a.m. We replace the tower and gasket as a matched set. Aftermarket gaskets leak again in months; OEM seals hold for years.
- Neorest washlet no-power symptoms. A Neorest that won’t wake up often has failed internal surge protection or a pump that lost prime after a water shutoff. This is not a reset-button fix. We bench-test the board, check the pump, and replace only what failed.
- Cracked skirt mounting flanges in skirted Toto bowls. When a remodeler forces a skirted bowl over an uneven subfloor, the hidden mounting flange cracks. The toilet wobbles, the wax seal compresses unevenly, and sewer gas seeps out. We pull the bowl, level the flange, and reset it properly.
- Legato tub filler sharing a hot loop with a washlet. In older Orange County homes, a Legato tub filler and a Neorest washlet sometimes share one undersized hot line. Result: scalding spikes at the tub when the washlet draws water, or lukewarm washlet spray during a shower. We re-rough with dedicated lines.
Toto Parts & Our Repair-vs-Replace Approach

We stock common Toto parts locally for faster turnaround in Orange County: Drake and Aimes flush tower assemblies, Legato ceramic disc cartridges, seat buffers, tank gaskets, and standard fill valves. For electronic Neorest components, we order OEM directly from Toto’s parts distribution network. Lead times in Orange County typically run five to ten business days for boards and pumps.
We use OEM Toto parts for anything that touches water, holds pressure, or controls electronics. For simple cosmetic pieces like seat buffers or tank gaskets, we’ll use a top-tier aftermarket equivalent if OEM lead times stretch long, and we’ll tell you before doing it. More importantly, we tell you when replacement is cheaper than repeated repair. If a Drake from 2009 needs its third flush tower in five years, we’ll say so and quote a new Drake or Aimes with a fresh warranty. Call (424) 541-1701 and we’ll give you an honest read.
Our Toto Service Process – Step by Step
- 1
Diagnosis. We identify the exact failure, not just the symptom. A running Drake isn’t always the flapper; we check the flush tower seal, the refill tube position, and the fill valve float setting before quoting anything.
- 2
Written quote. You get a line-item price in writing, matching our Kingswell standard. No verbal ballpark, no surprise change order at the door.
- 3
Repair or install. We use OEM parts, torque to spec, and follow Toto’s install geometry. For a Neorest, that means proper 1/2″ supply, dedicated circuit, and level subfloor prep.
- 4
Test cycle. We flush five times, cycle the washlet, run the tub filler through hot and cold, and check for leaks at every joint. The fix isn’t done until the fixture behaves like new.
- 5
Warranty coverage. Every job gets a written 365-Day Done Right Promise. If the same problem returns within a year, we fix it free. That promise is in writing before we leave.
See the difference
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AfterToto Products We Service & Install in Orange County

We service and install the Toto lines most common in Orange County homes:
- Neorest washlets and integrated toilets, including the 500h, 550h, and 700h series.
- Drake two-piece gravity-flush toilets, including the Drake II with Tornado Flush.
- Aimes one-piece skirted toilets.
- Legato widespread and single-hole lavatory faucets, tub fillers, and shower trims.
We also integrate Toto fixtures into General Contractor services including Full Bathroom Remodeling, Walk-In Showers & Shower Remodeling, and Vanities, Tile & Fixtures projects. If you’re planning a tub-to-shower conversion and want a Toto washlet in the new layout, we handle the rough-in, electrical, tile, and trim as one job.
We Also Service These Brands
While this page focuses on Toto, Penhallow Remodeling Orange County works across major fixture and finish brands: KraftMaid, Cambria, Silestone, and Kohler. We’re a multi-brand remodeling company, not a single-line shop. If your kitchen needs Cambria countertops and your bath needs a Drake, one call covers both.
FAQs – Toto Construction Service in Orange County
Yes. We relocate Neorest rough-ins regularly during shower expansions and layout changes in Orange County. The key is checking the carrier and the slab before opening the wall. In a Ladera Ranch master bath remodel, our Fullerton Toto service team relocated a Neorest 500h rough-in during a walk-in shower expansion. The original carrier had been shimmed over an uneven slab, and the nearby Legato tub filler shared the same hot loop. We sistered the floor framing, re-roughed with a rigid drop-ear elbow, and installed a new Neorest with the proper 1/2″ supply and a dedicated circuit: no more phantom flushes or scalding at the tub. That’s the standard we hold on every relo. Call (424) 541-1701 for a free estimate on your specific layout.
Because on a Drake or Drake II, the running usually isn’t the flapper. It’s the flush tower seal. The rubber gasket around the flush tower degrades and stops sealing, so water seeps from the tank into the bowl continuously. The fill valve keeps topping off the tank, and you get a toilet that runs every few minutes. We replace the flush tower and gasket as a matched OEM set, which stops the problem. Call (424) 541-1701 and we’ll diagnose it over the phone first if you describe what you’re hearing.
The cartridges are repairable. Legato widespread faucets use ceramic disc cartridges that wear out from mineral buildup and hard water in Orange County. You don’t need a new faucet; you need a cartridge pair. We stock Legato cartridges locally and can usually complete the repair in under an hour. If the faucet body itself is cracked or the finish is failing, replacement makes more sense. We’ll tell you which one before we order parts.
We stock the common mechanical parts locally: Drake and Aimes flush tower assemblies, Legato cartridges, fill valves, tank gaskets, and seat buffers. Neorest electronic components like control boards and pumps are OEM special orders that typically arrive in Orange County within five to ten business days. Call (424) 541-1701 with your model number and we’ll tell you what’s on the shelf and what’s on order before scheduling.
Yes. Most Toto washlets, including the Neorest line, need a dedicated GFCI-protected circuit near the toilet. We handle the electrical, the plumbing rough-in, the tile work, and the final install as one coordinated remodel. No juggling three contractors. The written price includes the electrical work, so you see the full number before any work starts.
Here are the typical ranges we quote:
| Project | Price Range |
|---|---|
| Bathroom Remodel with Toto fixture integration | $9,000 – $28,000 |
| Walk-In Shower Installation (including Toto tub-to-shower prep) | $4,500 – $12,000 |
| Bathroom Vanity Installation with Toto Legato faucet | $800 – $3,000 |
What moves the number up or down: layout changes, slab work for rough-in relocation, electrical runs for washlets, tile selection, and finish line choices. Call (424) 541-1701 for an exact quote on your job. Estimates are free, written, and hold firm.
Book Your Toto Service in Orange County, CA
If your Toto fixture is misbehaving or you’re planning a remodel that includes Toto products, call (424) 541-1701. We’ll answer, ask the right questions, and schedule a time that works for you. Written price first. Written guarantee included. That’s how we work in Orange County.
Written by Trevor Nash, Owner at Penhallow Remodeling Orange County, serving Orange County homeowners with written prices and the 365-Day Done Right Promise.


