Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Toto Construction in Norco, CA | Gold Star Contractors
We install, repair, and service Toto toilets, washlets, and touchless faucets across Norco, including horse-zoned properties where setback reviews apply to barn and tack-room washrooms. Gold Star Contractors is an independent Toto service provider, not manufacturer-affiliated or authorized. That independence means we give straight answers on repair-versus-replace and use OEM parts where they actually matter. Call (833) 382-8544 when a Drake toilet won’t stop running or a Washlet seat stops heating.

Why Norco Residents Choose Us for Toto Service
We know how Toto fixtures behave in Norco’s specific conditions: hard water, summer heat that cooks unconditioned spaces, and Santa Ana winds that push grit into every opening. Our team has pulled mineral-crusted flush valves out of Drakes in homes along Valley View Avenue and replaced Washlet control boards baked by attic heat in older ranches near the 92860 corridor. Noel Carranza, our owner and General Contractor – Norco, got his start doing concrete and finish carpentry across Orange County before building Gold Star Contractors, and he still approaches every Toto repair the same way he’d frame a wall: diagnose the actual cause, fix it once, and don’t upsell what doesn’t need replacing.
You get one accountable team. We specify the brand, manage the install, and stand behind the result. When a Toto unit needs parts, we use OEM Toto components for electronic assemblies, flush valves, and washlet hardware because aftermarket copies fail faster and repeat failures cost more than the savings. For older fixtures outside warranty, we’ll tell you honestly whether a repair makes sense or replacement is the smarter spend.
Styles & brands we work with







Common Toto Construction Problems We Solve in Norco
- Drake and Eco Drake toilets running or flushing weak. Norco’s water is hard, and the fill and flush valves in Toto Drakes accumulate scale that eventually causes constant running or a weak flush. Most calls we get in Norco’s older ranch homes start with exactly this symptom. We replace the worn valve with OEM Toto parts, verify the flush performance, and the toilet runs like new.
- Washlet seats failing in unconditioned tack rooms and guest baths. Toto Washlet control boards and seat sensors don’t love temperature swings or dust. In a Norco tack-room washroom or a guest bath that’s not climate-controlled, those components fail earlier than they would in a climate-kept hallway bath. We diagnose the board versus sensor issue and only replace what’s actually dead.
- Touchless faucets with dead sensors in barn sinks and outdoor kitchenettes. The solenoids and aerators in Toto Silas and EcoPower touchless faucets clog with mineral scale in high-use setups. Barn sinks and outdoor kitchenettes around Norco see heavy use and plenty of dust, which shortens sensor life. We clean or replace solenoids, de-scale aerators, and get the faucet sensing again.
- Neorest integrated bidet seats leaking at the inlet connection. After Santa Ana wind events drive dust into exterior venting around Norco, we see inlet connection leaks on Neorest units more often. The dust infiltrates, the connection works loose, and water ends up where it shouldn’t. We re-seat and replace the inlet hardware, then check the vent path so it doesn’t happen again.
- Bathroom remodels and fixture rough-ins tied to Norco setback reviews. When a barn or tack-room washroom is part of the job, the Toto rough-in has to be coordinated with the property-line setback and animal-keeping review Norco requires. We handle that coordination as part of the project, so the plumbing and the permit conversation don’t become two separate headaches.
Toto Service in Norco: What Local Conditions Mean for Your Equipment
On Norco’s horse-zoned lots, adding a bathroom or washroom for a barn or tack room triggers the same setback and animal-keeping review as any other structure. That means your Toto fixture rough-ins, drain lines, and venting have to be planned against the property line from the start. In Corona or Eastvale, a contractor adding a bathroom to a tract home never has to think about whether the drain runs too close to a neighbor’s corral. In Norco it’s often the first question the permit review asks. We manage that review alongside the fixture work, so a Drake or Washlet install doesn’t stall out because the plumbing was roughed in where the county won’t allow it. One client off Valley View Avenue wanted a Washlet in a new tack-room washroom, but the existing drain sat too close to the property line for the required setback. We re-routed the drain and venting, installed an Eco Drake toilet with the Washlet, and passed the setback review without moving the barn. That’s the kind of job a tract-home plumbing crew never sees.
For Toto sales & service that accounts for how Norco properties actually work, we’re the crew that’s already handled the setback conversations.
Toto Models & Products We Service in Norco
We service the Toto lines Norco homeowners and equestrian property owners actually use: Drake and Eco Drake toilets, Washlet bidet seats across the standard and high-end ranges, Aquia and Neorest models for upgraded baths, and Silas plus EcoPower touchless faucets. For Washlet electronics, flush valves, and Neorest inlet hardware, we install OEM Toto parts. We keep common Drake and Eco Drake valve assemblies and Washlet component kits queued locally, which shortens turnaround for Norco service area calls. When an older Neorest comes in with a dead seat or a persistent leak, we give you a straight repair-versus-replace assessment instead of pushing a rebuild your water bill will never justify.
See the difference
Before
After
Before
After
Before
AfterToto Service Pricing in Norco
Toto work in Norco spans simple valve replacements up to Home Remodeling – Norco around specific fixture sets. Here’s what you can expect for common scopes:
| Service | Price range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Vanity Installation | $800 – $3,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
What moves the number is scope, not surprises. A simple flush-valve replacement is a service call. A full bathroom remodel with a Neorest, new tile, and a walk-in shower lands higher. Setback coordination for a barn washroom adds permit work that tract-home jobs never carry. Our estimates are free and written line-item, never verbal ballparks. Call (833) 382-8544 and we’ll put exact numbers on your Toto job in Norco.
Serving Norco, CA — Our Local Coverage Area
We’re based in the Norco area and know this community well, and we also handle Toto repair in Home Gardens. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in Norco
Can you install a Toto Washlet in a Norco barn or tack-room bathroom?
Yes. We install Toto Washlets in barn and tack-room washrooms regularly, including the electrical and plumbing rough-in the seat requires. On horse-zoned lots, the washroom itself triggers Norco’s setback and animal-keeping review, so we plan the drain, vent, and fixture placement against the property line before work starts. Call (833) 382-8544 to schedule a site walk.
Why does my Toto Drake toilet keep running in my Norco home?
In Norco, the usual cause is mineral scale from hard water building up on the fill or flush valve until the seal won’t close fully. That produces a constant trickle or cyclical running. We replace the failing valve with an OEM Toto part and confirm the flush pressure. If it’s more than a valve, we’ll tell you before touching anything else.
Do you need a permit to add a bathroom with Toto fixtures to a Norco barn?
Yes. On Norco’s horse-zoned lots, a barn or tack-room bathroom is a structure addition subject to setback and animal-keeping review along with standard plumbing permits. We pull the permits, coordinate the setback review, and handle the rough-in and fixture installation as one scope. Call (833) 382-8544 for a permit assessment before you start plumbing.
My Toto touchless faucet in the barn kitchenette stopped sensing – can it be fixed?
Usually yes. Barn sinks and outdoor kitchenettes in Norco collect dust and mineral scale that clog the aerator or foul the solenoid, which kills the sensing. We’ll clean or replace the affected Toto part and test the full activation range. If the sensor itself is burned out, an OEM replacement brings it back.
Is it worth repairing an older Toto Neorest or should I replace it?
Depends on what failed and how old the unit is. Inlet leaks and valve issues often justify repair with OEM parts. A dead integrated bidet seat on a 10-year-old Neorest is usually priced past the point where repair makes sense. We run the numbers both ways for your specific unit and tell you straight which is cheaper over the next five years. Call (833) 382-8544 for an honest assessment.
Service Areas Near Norco
Our Toto service covers Norco and nearby communities across the Inland Empire. We serve Corona, Home Gardens, El Cerrito, and Eastvale too. For Toto work east of Norco, see Toto service in Eastvale. For properties west of the 15, see Toto service in Jurupa Valley. Wherever your property sits, we bring the same Toto parts sourcing and setback-aware rough-in approach.
Book Your Toto Service in Norco Today
One call, done right – that’s the only way we know how to run a job. If your Toto Drake is running, your Washlet seat is dead, or you’re planning a barn bath remodel in Norco, call (833) 382-8544 for a free, written estimate. We’ll show up, assess it, and give you a number you can plan around.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Norco and the surrounding Inland Empire.