Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Tamalpais-Homestead Valley
A full bathroom remodel in Tamalpais-Homestead Valley typically runs $9,000 to $28,000, with most projects landing between $14,000 and $21,000 once you factor in the hillside access and county permit requirements unique to this community. We’re Barrett & Sons Construction, and we’ve been remodeling bathrooms in the steep, wooded pockets of unincorporated Marin long enough to know exactly what those access roads off Edgewood Avenue do to a delivery schedule, and exactly which Marin County Building & Safety inspector will be looking at your rough framing. Call (877) 610-1318 when you’re ready to talk scope, or if you just want a straight answer about what your particular bathroom should cost.
What we’re not is a crew that shows up surprised. If you live up a one-lane cut off Cascade Drive, we already know the flatbed won’t make it. We stage materials lower and bring them in smaller vehicles, sometimes by hand. That’s the difference between a contractor who bids Tamalpais-Homestead Valley jobs and one who’s done them.
Why Barrett & Sons Construction Is Tamalpais-Homestead Valley’s Preferred Bathroom Remodeling Company
Tom Barrett started this company in 1998, and his name is on the truck, the contract, and the license. His sons run the crews. When you call (877) 610-1318, a live person answers, not a voicemail box or an out-of-state call center. That matters in Tamalpais-Homestead Valley, where word travels fast and a contractor’s reputation gets discussed at the Mill Valley Market checkout line.
Our customers in the 94941 zip code keep telling us the same thing: they’d already been burned by a national outfit that quoted one number on the phone and handed them a different bill at the door. We do the opposite. Every scope, every allowance, every price change arrives as a written change order before any work happens. The permit inspector works for you, not for me, which is why we pull permits and sign inspections on every eligible job. Our 90-Day Done Right Promise sits on every contract in plain language: if it’s not done right, Tom comes back and makes it right with one call.
Local Knowledge That Shows Up in the Work
Tamalpais-Homestead Valley sits on decomposed-granite hillside soil. Many of these mid-century cabins were weekend retreats before they became full-time homes, and plenty have post-and-pier foundations that have settled unevenly over decades. Before we touch a shower pan or set a vanity, we check what’s happening underneath. Ignoring a sloping floor in a 1960s hillside cabin and tiling over it just guarantees cracked grout in two years. We’d rather tell you the truth up front.
Our Bathroom Remodeling Services in Tamalpais-Homestead Valley
Every bathroom project we take in Tamalpais-Homestead Valley starts with the same question: what do you actually need this room to do? For some homeowners it’s a safer shower they can age into. For others it’s finally replacing a bathtub no one has used in a decade. Here’s what we handle most often.
Full Bathroom Remodeling
A full bathroom remodel in Tamalpais-Homestead Valley means tearing out and replacing everything from the subfloor up. In these older wood-framed homes, that often reveals water damage nobody knew about, especially on exterior walls that stay damp from the fog-belt moisture funneling through the Marin hills. We write the change order before we move a single nail, so you’re never surprised. Our Bathroom Remodeling team handles the complete scope: framing, plumbing, electrical, tile, glass, and finish work, all permitted through Marin County.

Walk-In Showers & Shower Remodeling
Walk-in showers are the most requested upgrade we install in Tamalpais-Homestead Valley. Homeowners in their 50s and 60s are thinking ahead: a curbless entry, a built-in bench, grab bars that don’t look clinical. A walk-in shower installation here typically runs $4,500 to $12,000 depending on tile selection, glass type, and whether the existing drain location works or needs to move. In hillside bathrooms where the floor slopes, a curbless design sometimes requires a recessed pan or a small step-up on the exterior wall, and we’ll explain why before we bid it.

Tub-to-Shower Conversion
That 1970s cast-iron tub is heavy, hard to clean, and increasingly dangerous to step over. A tub-to-shower conversion in Tamalpais-Homestead Valley runs $3,500 to $10,000, and in most of these older cabins it’s the single best return on investment you can make. We handle the tub removal, plumbing conversion, waterproofing, and finish work, and if your drain line is original galvanized steel we’ll recommend replacing it while the wall is open rather than burying a future problem behind new tile.

Vanities, Tile & Fixtures
Sometimes the bones of the bathroom are fine and the vanity, tile, and fixtures are just tired. We install vanities from $800 to $3,000, and we’ll help you pick tile that works with the humidity levels and temperature swings these hillside homes see year-round. Porcelain and ceramic hold up better than natural stone in a fog-belt bathroom that never fully dries out between March and August. We carry premium brands and we’ll tell you which ones are worth the money and which ones are marketing.

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 Tamalpais-Homestead Valley
We install materials you can look up by name, not mystery brands off a van. For bathroom work that means contractors we’ve vetted over 29 years, plus fixtures and surfaces from manufacturers with real warranties and real parts availability. We also know the Marin County supply houses well enough to keep projects moving when a niche item is backordered, which happens more often than you’d think on hillside jobs where delivery windows are already tight. When we touch outdoor surfaces on the same property, we use Belgard and Techo-Bloc, and we carry Quikrete products for setting and patching. If you’re also thinking about exterior work, we handle Roofing in Tamalpais-Homestead Valley and Windows & Doors in Tamalpais-Homestead Valley as well.
Common Bathroom Remodeling Problems We See in Tamalpais-Homestead Valley Homes
Every community has its own way of testing a house, and Tamalpais-Homestead Valley tests them hard. These are the four problems we walk into most often here.
- Persistent damp and rot on exterior bathroom walls. The fog belt keeps surfaces wet through spring and summer, and in older redwood-clad homes the wall sheathing behind a bathroom can stay damp for months. By the time you see peeling paint or a soft spot near the shower, the framing often needs repair before any finish work can happen. We open the wall, show you what’s there, and write the scope so you understand exactly what you’re paying to fix.
- Hillside foundation settling that cracks tile and splits grout lines. Post-and-pier foundations on decomposed granite settle. Tiling a bathroom floor over a moving foundation without addressing the piers underneath is a waste of money. We level and sister what’s needed before the tile goes down, because tile doesn’t flex, but houses on these slopes do.
- Original galvanized plumbing that’s past its useful life. Many 1950s and 1960s cabins here still have original galvanized supply lines and cast-iron drain pipes. They rust from the inside, and when we open a wall we often find pipes with a pinhole leak waiting to happen. Replacing them while the bathroom is open costs a fraction of what a later leak repair would cost after the new tile is set.
- Space constraints on steep, narrow lots. These bathrooms were built small, sometimes 40 to 50 square feet. Making one functional without moving walls takes planning, and we’ve done enough of them to know where the extra four inches is hiding. Often it’s in a dead corner behind the door swing or in a soffit that doesn’t need to be there.
Pricing for Bathroom Remodeling in Tamalpais-Homestead Valley, CA
Expect a full bathroom remodel in Tamalpais-Homestead Valley to land between $9,000 and $28,000. Small bathroom remodels run $5,000 to $12,000. Walk-in shower installation ranges $4,500 to $12,000. Tub-to-shower conversions are $3,500 to $10,000. Vanity installation runs $800 to $3,000.
What moves the number here more than anything else is access. If your house sits up a narrow cut off Edgewood Avenue where a standard delivery truck can’t turn around, materials get staged below and hauled up in smaller loads. That’s a real cost, and out-of-area contractors often discover it mid-project and hand you a change order. We already know the roads. We price it honestly from the first bid, and every allowance is in writing before work starts. We also provide Tamalpais-Homestead Valley Driveway & Pavers services. Call (877) 610-1318 for a free estimate, and bring us your existing quote if you have one. We offer a free second opinion on any written estimate.
Key Takeaways
- Full bathroom remodel in Tamalpais-Homestead Valley: $9,000-$28,000
- Small bathroom remodel: $5,000-$12,000
- Walk-in shower installation: $4,500-$12,000
- Tub-to-shower conversion: $3,500-$10,000
- Vanity installation: $800-$3,000
- Permits pulled through Marin County Building & Safety on every eligible job
- Every price change in writing before work proceeds
- 90-Day Done Right Promise on every contract
We Also Serve Cities Near Tamalpais-Homestead Valley
Our crews work throughout the southern Marin hillsides. While this page is focused on Bathroom Remodeling in Tamalpais-Homestead Valley, we also take on projects in Tamalpais Valley, Mill Valley, Corte Madera, and Larkspur. If you’re a few minutes down the road and wondering whether we can help, the answer is almost always yes. Call (877) 610-1318 and ask.
Serving Tamalpais-Homestead Valley, CA - Our Local Coverage Area
We’re based in the Tamalpais-Homestead Valley area and know this community well, and we also offer Fence Installation in Tamalpais-Homestead Valley. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Bathroom Remodeling in Tamalpais-Homestead Valley
A full bathroom remodel in Tamalpais-Homestead Valley typically costs $9,000 to $28,000, with smaller bathrooms running $5,000 to $12,000. Your specific price depends on the size of the room, the condition of the framing and plumbing underneath, and how difficult access is on your particular hillside lot. Call (877) 610-1318 for an exact quote. Estimates are free, and we offer a free second opinion on any written estimate you already have.
We schedule most bathroom remodels in Tamalpais-Homestead Valley within two to four weeks of the contract signing, once Marin County permits clear. We don’t promise same-week starts because the county permit office runs on its own timeline, and we won’t lie to you about it. What we do promise is that your project starts when we say it will, and that we’re on-site when we say we’ll be there.
Yes. Every eligible bathroom remodel in Tamalpais-Homestead Valley gets a permit pulled through Marin County Building & Safety and inspections signed by the county. Because this community sits in unincorporated Marin and within a Cal Fire-designated Very High Fire Hazard Severity Zone, permitting and fire-hardening requirements apply here that don’t apply in flatland cities. We handle all of it, and we’re happy to show you the paperwork.
Not without your written approval. Every scope change, every allowance adjustment, every unexpected condition we uncover gets written up as a change order before any work happens. An allowance that isn’t on paper is a surprise waiting for a date, and we don’t do surprises. If we find rotted framing or failed plumbing behind your walls, you’ll know about it and approve the fix before we proceed.
Every bathroom remodel we complete in Tamalpais-Homestead Valley carries our written 90-Day Done Right Promise. If something isn’t done right, call Tom Barrett directly and he’ll come back and make it right with one call. Beyond that, the products we install carry their own manufacturer warranties, and we’ll register those warranties for you before we leave the job.
We handle the complete scope: framing, plumbing, electrical, tile, glass, fixtures, and finish work. Our crews are background-checked and carry the Barrett & Sons name, and Tom’s sons are on-site most days. You won’t be coordinating a parade of subcontractors or chasing down a tile guy who’s three counties away. One contract, one team, one name on the truck.
If you’re ready to talk about your bathroom, or if you just want a straight answer about what it should cost, call (877) 610-1318. A live person answers, and the estimate is free. Tom Barrett publishes his name, his address, and his license number. Look it up before you sign anything, and then give us a call.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Tamalpais-Homestead Valley and the surrounding Marin County hillsides since 1998.







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