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Toto Construction in Van Nuys, CA | Mason Remodeling Co Los Angeles
We provide independent Toto service across Van Nuys, from full bathroom remodels to single toilet replacements. What makes our Toto work different here is simple: we know exactly what Van Nuys’s hard water, Santa Ana dust, and 1950s-era plumbing do to Toto equipment. We’re not manufacturer-affiliated, so our only loyalty is to getting your bathroom right. Call (213) 632-5711 for a free estimate.
Why Van Nuys Residents Choose Us for Toto Service

Our crews have rebuilt hundreds of Toto-equipped kitchens and baths across Van Nuys, and we independently know the trim, rough-in, and retrofit challenges of Toto’s Drake, Ultramax, and Neorest lines without relying on manufacturer authorization. That independence matters when a Drake II starts ghost flushing at 2 a.m. and you need someone who can diagnose the actual cause, not someone reading from a corporate script. We use OEM Toto fill valves, flappers, and gaskets for all water-bearing parts because aftermarket rubber fails early in Van Nuys’s high-chlorine water.
Isaac Pruett grew up in the San Fernando Valley and spent his weekends as a kid watching his uncle tear out and rebuild just about everything in a house on Roscoe Boulevard. That’s where the bug bit him. He trained in construction technology at Los Angeles Trade-Technical College downtown before spending the better part of two decades working residential and light commercial jobs across Los Angeles County. When you call us for Toto service in Van Nuys, you get that same hands-on experience on every job. Learn more about our Toto sales & service expertise.
Styles & brands we work with







Common Toto Construction Problems We Solve in Van Nuys
- Weak or incomplete flushes from scaled rim jets. Van Nuys’s hard water deposits mineral scale on the rim jets of Drake and Ultramax bowls, choking off the flush within three to five years. We descale and restore flow, or replace the bowl when the trapway is too far gone.
- Ghost flushing and slow tank refill. Flush tower gaskets in G-Max and E-Max systems warp from Van Nuys heat bleeding through walls, which causes the tank to silently refill every twenty minutes. We replace the gasket with OEM parts and verify the flush cycle before we leave.
- Neorest lids and Washlet wands jammed by Santa Ana dust. Fine dust from Santa Ana winds infiltrates the sensor housing and gears on auto-open lids and bidet wands. We clean, recalibrate, and reseal the housing so the mechanism works reliably again.
- Hidden leaks from cracked wax rings on 1950s rancher flanges. Original wax rings on Van Nuys’s post-war homes dry out and crack, letting water seep into post-tension slabs. We pull the toilet, inspect the flange, and reset with an extra-thick reinforced wax ring.
- Scaled-shut trapways on older Toto models. When a Drake or Ultramax has been in service for more than fifteen years in Van Nuys, mineral buildup can narrow the trapway enough that descaling isn’t worth the cost. We typically recommend replacement with a current Toto model and give you a written price before any work starts.
Toto Service in Van Nuys: What Local Conditions Mean for Your Equipment
Van Nuys sits directly over the Van Norman Bypass Pipeline, so any Toto toilet or bidet seat replacement must maintain a minimum 1.6-gpf flush to comply with LADWP’s ultra-low-flush retrofit ordinance. That rule is stricter than neighboring Burbank or North Hollywood, and it changes which Toto models make sense in a Van Nuys bathroom. A homeowner off Vanowen Street can’t legally install a vintage 3.5-gpf toilet, even if they find one cheap. We spec current Toto models that meet the ordinance while still handling Van Nuys’s older drain lines properly. For the full picture of where we work, see our Van Nuys service area page.
Toto Models & Products We Service in Van Nuys
We service the Drake II (CST454CEFG), Ultramax II (MS604114CEFG), Neorest 700H, and Washlet C5 (SW3084), along with the broader Drake, Ultramax, and Neorest lines. For water-bearing parts, we stock OEM Toto components locally so most Van Nuys repairs happen same-day. For cosmetic items like seats and trip levers, we offer quality aftermarket equivalents when the budget calls for it. Our written line-item quotes always specify which parts are OEM and which are aftermarket, so there’s no guessing after the fact.
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AfterToto Service Pricing in Van Nuys

Here are the line-item price ranges for the Toto work we do most often in Van Nuys:
| Service | Price Range |
|---|---|
| Toto Ultramax II replacement and flange repair | $900 – $1,800 |
| Toto Drake II toilet installation | $500 – $1,100 |
| Tub-to-shower conversion with Toto wall-hung toilet rough-in | $3,500 – $10,000 |
| Walk-in shower with Toto Neorest bidet rough-in | $4,500 – $12,000 |
What drives the final number is the condition of your existing flange, the age of your supply lines, and whether we’re doing a straight swap or roughing in new plumbing. Every estimate includes the exact scope in writing before we touch a tool. Call (213) 632-5711 and we’ll walk you through what your specific Van Nuys bathroom will actually cost.
Serving Van Nuys, CA - Our Local Coverage Area
We’re a Van Nuys General Contractor based in the 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 Van Nuys
The most common cause we see in Van Nuys is mineral scale from hard water caking the rim jets and narrowing the trapway, combined with a partially blocked vent stack on older ranches. We descale the rim jets and inspect the venting before recommending replacement. Call (213) 632-5711 and we’ll diagnose it in one visit.
Yes, in most cases. The Neorest requires a dedicated electrical circuit and a 12-inch rough-in, and Van Nuys homes from the 1950s often need a new circuit run from the panel. We handle the electrical and plumbing rough-in without tearing out the slab, as long as the existing flange is sound. Call (213) 632-5711 for a free estimate on your specific bathroom.
Yes. Santa Ana winds push extremely fine dust through windows and vents, and that dust works its way into the Washlet’s sensor housing and auto-open lid gears. The lid starts opening and closing erratically or not at all. We clean and reseal the housing, which fixes the issue in the vast majority of cases.
For tight Van Nuys bathrooms, the Drake II (CST454CEFG) is our usual recommendation. It has a compact footprint, a 1.28-gpf flush that still meets LADWP’s 1.6-gpf standard, and its G-Max flush system holds up better against hard water scale than older Toto models. We stock the Drake II locally for fast turnaround.
Yes. Van Nuys buyers expect updated plumbing, especially given how many local homes still have original galvanized supply lines. A current Toto model with a compliant flush rate and documented installation is a concrete upgrade that shows well on an inspection report. Call (213) 632-5711 and we’ll give you a written price before any work starts.
Service Areas Near Van Nuys
Our Toto service crews cover Van Nuys and the surrounding neighborhoods, including Toto service in Los Angeles, Toto service in Beverly Hills, West Hollywood, Culver City, and Venice. Wherever the job is, the same written price and background-checked crew standard applies.
Book Your Toto Service in Van Nuys Today
Call (213) 632-5711 for a free estimate on Toto service in Van Nuys. We answer live, 24/7. Know who’s coming, know what it costs, know it’s guaranteed – everything else is just noise.
Written by Isaac Pruett, Owner at Mason Remodeling Co Los Angeles, serving Van Nuys since 2004.











