







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Toto Construction in Chatsworth, CA | Elmstead Remodeling Santa Clarita
We provide independent Toto service across Chatsworth, from fixture swaps on 1950s ranches to full Bathroom Remodeling - Chatsworth projects that integrate Toto toilets, Washlets, and wall-hung systems. The thing that makes our Toto work different here: we’ve spent years solving failures specific to Chatsworth’s septic systems, hard water, and unbraced mid-century framing. Call (661) 542-4056 for a free estimate.
Why Chatsworth Residents Choose Us for Toto Service

Most crews can swap a toilet. Few understand what Toto fixtures do inside a 1970s Chatsworth ranch with cast-iron waste lines and a septic tank out back. Our crew has been working these homes long enough to know which Toto models hold up to hard water and which ones need genuine parts to avoid repeat failures. Graham Stein, owner at Elmstead Remodeling Santa Clarita, learned construction at Los Angeles Trade-Technical College and spent two decades on projects across Southern California before focusing on the Santa Clarita Valley and Chatsworth General Contractor work. He writes every estimate by hand first, walks homeowners through the sequence of work before a tool comes off the truck, and keeps a notepad in his truck for exactly that reason. The price on the paper is the price on the invoice – we put that in writing before the first board goes down.
This is also Toto sales & service done our way, which means genuine Toto parts for anything water-bearing, drop cloths on the floor, shoe covers at the door, and a 365-Day Done Right Promise on every completed project. We serve all of Chatsworth service area.
Styles & brands we work with







Common Toto Construction Problems We Solve in Chatsworth
- Ghost flushing in Toto Drake and Ultramax models from hard-water valve failure. Original fill valves gum up with mineral deposits from Chatsworth’s hard water, causing slow refills and intermittent ghost flushing. We replace them with genuine Toto fill valves rather than aftermarket copies that fail in months.
- Washlet seats that stop heating or leak at the supply tee. Older C100 and C200 units build mineral scale after years of high-summer evaporation cycles. The scale blocks the heating element and cracks the supply tee. We rebuild these with genuine parts and add a scale filter where the water hardness calls for it.
- Wall-hung Toto bowls that rock and leak at the seal. In-wall carrier systems mounted on unbraced 1950s wood studs shift over time. That movement breaks the seal and lets water drip inside the wall cavity. We open the wall, brace the studs, and reseat the carrier properly.
- Tank-to-bowl seepage from degraded G-Max and E-Max flush valve gaskets. Chatsworth’s hot, dry summers accelerate gasket wear on Toto’s flush systems. Water seeps silently from tank to bowl. A genuine Toto gasket swap fixes it before the water bill shows it.
- Cracked or compromised skirts on older Toto bowls. When a skirt is compromised, aftermarket repairs don’t last. We recommend full replacement rather than patching something that will fail again.
Toto Service in Chatsworth: What Local Conditions Mean for Your Equipment
Many Chatsworth homes still operate on septic systems because the area remains partially unincorporated, so we always verify Toto’s 1.0/0.8 GPF flush performance against the specific leach field capacity before recommending a model swap. This isn’t a concern over the hill in Northridge or Canoga Park, where municipal sewer lines handle everything. On a ranch home off Topanga Canyon Boulevard near the Santa Susana foothills, we replaced a failing Toto Ultramax II that had been ghost flushing due to a swollen E-Max flush valve gasket. Our tech pulled the tank, swapped in a genuine Toto gasket and fill valve, and reseated the bowl on a new wax ring after discovering the old cast-iron closet flange had corroded. We also rebuilt the supply stop and braced the wall behind a new Washlet C5, leaving the homeowner with quiet, reliable flushes even during Santa Ana heat cycles.
Toto Models & Products We Service in Chatsworth
We work on the full Toto line, with deep familiarity on the models most common in Chatsworth’s mid-century and equestrian homes: Drake II (CST454CEFG), Ultramax II (MS604114CEFG), Washlet C5 (SW3084), and Neorest 700H. Genuine Toto parts go in anything water-bearing or structural – flush valves, fill valves, wax rings, carrier hardware. Aftermarket gaskets and flush towers fail early under Chatsworth’s hard water, so we don’t use them where it matters. For cosmetic items like seat bumpers or trip lever trim, quality aftermarket equivalents are fine. We stock common genuine Toto parts locally for fast turnaround on Chatsworth service calls, which means less waiting when a fill valve gives out mid-summer.
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AfterToto Service Pricing in Chatsworth

Every Toto project in Chatsworth gets a written price before any work starts. Here’s what families typically see for the most common Toto-related bathroom work:
| Service | Price Range |
|---|---|
| Full Bathroom Remodeling (Toto toilet/shower integration) | $9,000 – $28,000 |
| Small Bathroom Remodel (Toto fixture update) | $5,000 – $12,000 |
| Tub-to-Shower Conversion (with Toto wall-hung or floor-mount toilet) | $3,500 – $10,000 |
What drives the price in Chatsworth: whether the existing cast-iron drain line needs replacing, whether we’re working around a septic system that restricts flush volume, and whether the wall needs bracing for a wall-hung unit. Every estimate includes the specific scope, the specific Toto model, and the written price. Call (661) 542-4056 for your free estimate.
Serving Chatsworth, CA - Our Local Coverage Area
We’re based in the Chatsworth 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 Chatsworth
Yes, but it depends on the electrical rough-in and the wall construction. The Neorest 700H needs a dedicated GFCI outlet behind the unit, which many 1950s Chatsworth bathrooms don’t have. We run the circuit properly and confirm the wall can carry the tank. Call (661) 542-4056 for an exact quote – estimates are free.
It depends on the toilet’s existing supply access and the leach field capacity. Washlets need a water supply tee at the toilet, which many original wall-mounted units in Chatsworth don’t have without opening the wall. We check your septic capacity before recommending any change. Call (661) 542-4056 for an exact quote.
Hard water scale builds up on the fill valve seal and the flush valve gasket, both of which degrade faster in Chatsworth’s high-summer heat. A genuine Toto fill valve and gasket swap stops the running. Call (661) 542-4056 for an exact quote.
Sometimes. Elongated bowls extend about two inches further into the room, which is tight in many 1950s Chatsworth bathrooms. We measure the rough-in and the door swing before recommending anything. Call (661) 542-4056 for an exact quote.
Not without bracing. Original 2×4 studs in Chatsworth’s mid-century houses aren’t stiff enough for a wall-hung carrier on their own. We open the wall, add blocking or a steel brace, and mount the carrier properly. Call (661) 542-4056 for an exact quote.
Service Areas Near Chatsworth
We serve Chatsworth and the surrounding San Fernando Valley and Santa Clarita Valley communities. That includes Toto service in Canoga Park, Granada Hills, Sylmar, Panorama City, and Toto service in Santa Clarita.
Book Your Toto Service in Chatsworth Today
If your Toto fixture is failing, call us. We’ll send a uniformed, background-checked technician to your Chatsworth home, diagnose the problem, and hand you a written price before any work starts. Call (661) 542-4056 for your free estimate.
Written by Graham Stein, Owner at Elmstead Remodeling Santa Clarita, serving Chatsworth since 2005.












