Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Foster City
Bathroom remodeling in Foster City typically runs $9,000 to $28,000 for a full renovation, with smaller projects like a walk-in shower install landing between $4,500 and $12,000 and a tub-to-shower conversion settling between $3,500 and $10,000. Those numbers matter, but what matters more is that whoever you hire knows the ground under your home is not solid in the way it is in Belmont or San Carlos. Foster City was built on engineered fill dredged from San Francisco Bay, and that fact shapes how we approach every bathroom we touch here, from floor prep to waterproofing. If you want an honest estimate from a crew that actually works in this city, call (877) 610-1318.
We’ve been on enough Foster City job sites to know what the 1964-to-1985 tract homes hide behind their tile and drywall. Tom Barrett started this company in 1998, and we still run it the way he ran it on day one: his sons lead the crews, every permit gets pulled, and no price changes by surprise. When you call, you talk to a live person, not a call center. That’s a simple thing, but in this line of work, it’s rare.
Why Barrett & Sons Construction Is Foster City’s Preferred Bathroom Remodeling Company
Our reputation in Foster City was built one bathroom at a time over 29 years, and most of the homes we remodel are within a few miles of the lagoons that give this city its shape. Customers around Edgewater, Marina Point, and the neighborhoods off Beach Park Boulevard have seen our crews show up when we say we will, with the same names on the truck every time. We answer the phone 24/7, and if something needs attention after the job is done, our 90-Day Done Right Promise means one call brings Tom back to make it right.
Foster City homeowners frequently tell us the same story: a bigger outfit quoted one number over the phone, then discovered “unexpected issues” once the old shower came out. We don’t operate that way. Every scope item, every allowance, every change gets written as a change order before work proceeds. That’s not fine print. It’s how we’ve kept the trust of homeowners in 94404 and the surrounding communities for nearly three decades. Tom publishes his name, address, and license number; you can look it all up before signing anything.
We also work on the rest of the house, so if a bathroom project turns up a bigger problem, you don’t need to chase down another contractor. Many Foster City homeowners call us first for the bathroom and then ask about Roofing in Foster City or Windows & Doors in Foster City once they see how we handle a job. It’s the same crew, the same written-change-order discipline, the same promise.
Our Bathroom Remodeling Services in Foster City
Full Bathroom Remodeling
A full bathroom remodel in Foster City usually means gutting the room to the studs and rebuilding it right. In the older tract homes near Marlin Drive and the waterfront streets off Foster City Boulevard, that often reveals slab cracking or minor settling from decades of Bay mud consolidation beneath the engineered fill. Before we tile anything, we assess whether the subfloor needs to be addressed. That conversation is normal here. It doesn’t have to be scary, but it does need to be honest.

Walk-In Showers & Shower Remodeling
Walk-in showers and shower remodels in Foster City run from $4,500 to $12,000 depending on size, waterproofing scope, and finish choices. We install frameless glass enclosures, curbless entries, and pre-sloped pans with proper membrane systems. Given the salt-laden air from the tidal lagoons, we specify corrosion-resistant hardware and fasteners throughout, which is not a detail we compromise on in this city.

Tub-to-Shower Conversion
A tub-to-shower conversion in Foster City generally costs between $3,500 and $10,000. It’s one of the most common projects we do for homeowners around the older condos and townhome communities, where a big cast-iron tub takes up space nobody uses. We handle the drain relocation, the waterproofing, and the permitting. In Foster City, the permit process often triggers a quick geotechnical review because of the fill conditions; we walk you through it so it doesn’t catch you off guard.

Vanities, Tile & Fixtures
Vanity installation in Foster City runs $800 to $3,000, and that’s before you get into premium countertops and custom millwork. We work with brands homeowners can look up, and we install them to spec. If your home has settled enough to throw a cabinet out of level, we address the floor before the vanity goes in, not after. Small detail, but it’s the difference between a cabinet that sits square for a decade and one that pulls away from the wall in a year.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Foster City
We carry and install premium brands across our trades, and we don’t hide what we use. In bathrooms, that means solid cabinet lines, name-brand fixtures, and window and enclosure products from manufacturers like Simonton, Ply Gem, and PGT. If a Foster City bathroom remodel touches an exterior wall, we’ll often recommend impact-rated glass options from those same brands, given how the lagoon air accelerates corrosion and how exposed this city can get when winter storms roll off the Bay. You’ll know the brand names before work starts. No mystery materials off a van.
Common Bathroom Remodeling Problems We See in Foster City Homes
Every city has its quirks. Here’s what we run into most often in Foster City bathrooms:
- Slab movement and subfloor settling. Most homes here were built between 1964 and 1985 on post-tension concrete slabs over engineered fill. Decades of slow mud consolidation produce hairline slab cracks that can telegraph through tile, especially in bathrooms built in the original footprint.
- Overtightened post-tension cables. We’ve seen bathroom remodels in Foster City hit post-tension tendons that were stressed harder than modern practice allows, which turns a simple drain relocation into an engineering conversation. It’s not common, but it’s specific to this city’s slab construction, and we check before we cut.
- Salt-air corrosion on metal shower hardware. The tidal lagoons catch Bay wind, and that salt finds its way indoors through venting and open windows. We install marine-grade or higher-spec fasteners and hardware in bathroom remodels here, especially for homeowners near the lagoon edge.
- Building material removal constraints. Foster City’s 94404 ZIP is compact, and some neighborhoods have strict community rules about work hours and dumpster placement. We coordinate with HOAs where applicable, so your remodel doesn’t become a neighborhood headache.
Pricing for Bathroom Remodeling in Foster City, CA
A full bathroom remodel in Foster City runs $9,000 to $28,000. A small bathroom remodel, typically a powder room or a compact hall bath in one of the older townhome communities, lands between $5,000 and $12,000. Walk-in shower installation runs $4,500 to $12,000; tub-to-shower conversion, $3,500 to $10,000; shower replacement, $3,000 to $8,500; and vanity installation, $800 to $3,000. What moves the number on your job is the usual stuff: size, waterproofing scope, tile choices, whether the subfloor needs repair, and whether the bathroom sits on an exterior wall where we need to open up and address shell issues.
What doesn’t move the number: surprise change orders. Every price on our contracts is a fixed line item. Every allowance is named and in writing. If something has to change, you’ll see a written change order before the work happens. To get a free estimate for your specific bathroom in Foster City, call (877) 610-1318. We’ll come out, look at your space, and give you a written number you can actually plan around.
We Also Serve Cities Near Foster City
In addition to working throughout Foster City, our crews regularly serve Redwood Shores, San Mateo, Belmont, and San Carlos. If you’re near the Foster City line, chances are we’re already in your neighborhood on another job. Learn more about our Bathroom Remodeling services across the broader service area, or check out what we do specifically for Foster City homeowners.
Serving Foster City, CA - Our Local Coverage Area
We’re based in the Foster City area and know this community well, and we also handle Fence Installation in Foster City. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Bathroom Remodeling in Foster City
Once the scope is agreed and permits are in hand, we typically begin Foster City bathroom remodels within two to four weeks, depending on current scheduling. Permits in Foster City can add time because the building department may require a geotechnical review for slab work, given the engineered fill. Call (877) 610-1318 for current availability.
Yes. We work throughout the 94404 ZIP, including the waterfront communities near Beach Park Boulevard, the neighborhoods around the central lagoons, and the tight lot subdivisions near Edgewater and Marina Point. If you’re in Foster City, you’re in our service area.
We’re not an emergency plumbing company, but if a bathroom renovation problem turns urgent, such as a failed watertight membrane or a broken valve behind a wall, call (877) 610-1318 and we’ll tell you honestly whether we can help that day or whether you need a plumber first. We answer the phone 24/7.
Bathroom remodels in Foster City generally run in the same range as San Mateo and Belmont, but the slab-and-fill conditions here can add structural costs that similar-looking homes in those cities rarely require, particularly if your project touches the floor or repositions plumbing. We also offer our Driveway & Pavers in Foster City for homeowners looking to upgrade their exterior hardscaping. Our estimates account for that from the start. Call for a free written quote.
Every bathroom remodel we complete is backed by the 90-Day Done Right Promise: if it’s not done right, Tom comes back and makes it right, one call. Beyond that, the products we install carry their own manufacturer warranties, and we’ll give you the paperwork so you know exactly what’s covered and for how long.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Foster City and the San Francisco Bay Area since 1998.







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