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Toto Construction in Calabasas, CA | Mason Remodeling Co Thousand Oaks
We’re an independent Toto service provider serving Calabasas homeowners and Calabasas General Contractor teams. Our crews install, repair, and integrate Toto fixtures into high-end bathroom remodels across Calabasas weekly, from Neorest toilets to Legato wall-hung lavatories. What makes our Toto work different here is we understand Calabasas building rules and hillside construction constraints before we ever touch a fixture. Call (805) 309-3386 for a free estimate.
Why Calabasas Residents Choose Us for Toto Service

We’ve been working on Toto fixtures in this area since 2004, and we know the difference between a Neorest that needs a sensor cleaning and one that needs a real diagnostic. Isaac Pruett, our owner, grew up in Los Angeles and learned the trade at Los Angeles Trade-Technical College. That foundation matters when you’re installing a wall-hung Legato lavatory into a hillside home that has to pass a view preservation review before the plumbing is even approved.
We use OEM Toto parts for anything internal: flush valves, sensors, gaskets. Aftermarket parts rarely fit correctly and can void your warranty. For visible trim like seats or handle assemblies, we offer quality aftermarket options only when OEM is discontinued. And we’ll tell you straight when repairing a 20-year-old Toto toilet isn’t worth the money compared to installing a new Guinevere or Neorest.
Calabasas homeowners also like knowing exactly who’s coming. Every Mason Remodeling crew member is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge. You get the technician’s name and photo before the visit. That’s The Threshold Standard, and it applies to every job we do in Calabasas.
Styles & brands we work with







Common Toto Construction Problems We Solve in Calabasas
- Neorest auto-flush sensors confused by hard water. Calabasas tap water carries enough mineral content to build up on Neorest sensors over time. The result is ghost flushing or a failure to flush entirely. We clean and recalibrate the sensor, and if the buildup has damaged the lens, we replace it with an OEM part.
- Hairline cracks in wall-hung Legato lavatory bowls. Hillside homes throughout Calabasas experience subtle frame movement during seismic events. If the framing shifts, the concealed carrier behind a Legato lavatory can stress the bowl and create hairline cracks. We inspect the carrier, verify the framing, and reset the fixture so it’s stable.
- Leaking fill valves in older Guinevere toilets. Gated communities with booster pumps often run at higher water pressure than municipal supply lines. Older Guinevere models were not designed for that sustained pressure, and the fill valves eventually leak. We replace them with OEM valves rated for the pressure your home actually delivers.
- Soft-close seat failure from dry heat. Calabasas summers bake everything, and Toto soft-close seats are not immune. The polymer becomes brittle over five to seven years and the seat cracks. It’s a simple replacement, but we’re honest about what’s worth repairing versus what’s reached the end of its life.
- Neorest installation into remodels that need a permit. Many Calabasas bathrooms are in hillside homes where any remodel requires a permit review. We plan the Neorest rough-in, electrical, and water supply so the permit passes the first time. That saves you the cost and delay of a failed inspection.
Toto Service in Calabasas: What Local Conditions Mean for Your Equipment

Here’s what most people outside Calabasas don’t understand: this is one of the few cities in the Santa Monica Mountains with mandatory view preservation reviews for remodel permits. That regulation changes how Bathroom Remodeling in Calabasas gets planned and executed. In the flat San Fernando Valley, you position a vanity where it fits the plumbing. In Calabasas, your permit application may require a view preservation analysis to prove your new addition or fixture relocation won’t block a neighbor’s mountain view or canyon sightline. So Toto fixtures often get reoriented or relocated entirely to satisfy the review.
Our crew put a wall-hung Toto Legato lavatory into a remodel on Paseo Primario in Calabasas Hills, where the permit demanded a view preservation analysis. The original floor-mounted vanity would have obstructed the neighbor’s western sightline. We reworked the plumbing to accommodate the wall-hung model with a concealed carrier, preserving the view while giving the client a sleek floating vanity. That’s the kind of constraint nearly unknown in the Valley below, but it’s standard practice up here.
Toto Models & Products We Service in Calabasas
We work across the Toto line: Neorest integrated toilets, Legato wall-hung lavatories, Guinevere one-piece toilets, and Promenade pedestal lavatories. For any internal component, we use OEM Toto parts exclusively. For visible trim, we’ll discuss aftermarket if OEM is discontinued and the budget matters. We stock common OEM parts in our Thousand Oaks shop, which means faster turnaround for Calabasas homes. And if you’re planning a full bathroom remodel, we bring Toto expertise alongside full Toto sales & service knowledge so the fixture choice fits the permit, the plumbing, and the look you want.
See the difference
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AfterToto Service Pricing in Calabasas

Honest numbers help you decide before you call. Here’s what Toto-related work in Calabasas typically runs:
| Service | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
What drives the cost: fixture choice, whether the remodel triggers a view preservation review, hillside access for materials, and any seismic retrofit work the permit requires. Your free estimate includes a written line-item price, not a ballpark and a surprise. We write the price before any work starts. Every Calabasas job gets that, no exceptions. Call (805) 309-3386 and we’ll walk through your project and the numbers.
Serving Calabasas, CA - Our Local Coverage Area
We’re based in the Calabasas 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 Calabasas
Yes. A Neorest installed by a licensed contractor using OEM Toto parts and the proper electrical rough-in does not void the Toto manufacturer warranty or your home warranty. We also pull the required Calabasas permit when the remodel scope triggers one, so the work is documented and compliant. Call (805) 309-3386 to schedule your free estimate.
Yes, and it’s a common Calabasas repair. Dry summer heat makes the seat polymer brittle, and the seat eventually cracks. If the model is still in production, we install an OEM Toto seat. If it’s discontinued, we’ll show you quality aftermarket options that match the bowl shape. It’s a same-visit fix.
Yes. Mineral buildup from Calabasas tap water coats the Neorest auto-flush sensor and causes ghost flushing or failure to flush. We clean and recalibrate the sensor first. If the lens is permanently etched by scale, we replace it with an OEM part. Regular cleaning with a soft cloth can slow the buildup but rarely prevents it entirely in this water.
When installed properly with the correct concealed carrier and framing reinforcement, a wall-hung Legato lavatory is safe in seismic zones like Calabasas. The risk comes when the carrier is mounted to framing that shifts during an earthquake. We inspect the carrier and framing, reinforce if needed, and reset the fixture. If you’ve noticed hairline cracks or movement, call (805) 309-3386 and we’ll assess it.
Sometimes. If the remodel stays within the existing footprint and doesn’t raise the roofline or relocate a window, it may not require the full review. But if you’re changing fixture positions or expanding the bathroom, the Calabasas permit office likely requires a view preservation analysis. We handle that paperwork and the coordination. Call (805) 309-3386 for a free estimate, and we’ll tell you exactly what your project triggers.
Service Areas Near Calabasas
Beyond Calabasas, we serve Thousand Oaks, West Hills, Oak Park, Malibu, and Topanga. If you’re in one of those areas, your Toto fixtures get the same OEM parts, written pricing, and verified-crew standard. See our Calabasas service area page for details, or check Toto service in West Hills and Toto service in Thousand Oaks if you’re closer to those communities.
Book Your Toto Service in Calabasas Today
Tell me what you need done. We’ll tell you what it costs and how long it takes, then we’ll do exactly that. Call (805) 309-3386 to schedule your free Toto estimate in Calabasas.
Written by Isaac Pruett, Owner at Mason Remodeling Co Thousand Oaks, serving Calabasas since 2004.











