Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Lucas Valley-Marinwood
Most full bathroom remodels in Lucas Valley-Marinwood run between $9,000 and $28,000, with the spread driven by whether you’re updating a 1960s tract home bathroom or gutting a larger master suite along the Lucas Valley Road corridor. The honest answer nobody gives you over the phone: a permitted remodel here costs more than one in incorporated San Rafael because Marin County’s Community Development Agency and WUI fire-zone documentation add a layer of review that city-jurisdiction jobs simply don’t face. We’d rather tell you that now than surprise you later. Call (877) 610-1318 and we’ll walk your specific house, your specific bathroom, and your actual numbers before you sign anything.
Why Barrett & Sons Construction Is Lucas Valley-Marinwood’s Preferred Bathroom Remodeling Company
Tom Barrett founded this company in 1998 and he still answers his own phone. His sons run the crews. When we work in the Marinwood tract homes off Miller Creek Road or the hillside properties above Lucas Valley Road, the person walking your job site most days is a Barrett, not a rotating cast of subcontractors. Homeowners here between 50 and 70 have told us the same story too many times: a national outfit quoted one price on the phone, then handed them a different bill at the door. That’s exactly why every scope, every allowance, and every price change we issue arrives as a written change order before a single nail moves. Every eligible job gets permits pulled and inspections signed, because the permit inspector works for you, not for me. And the 90-Day Done Right Promise is written on every contract: if something isn’t done right, one call brings Tom back.
Our Bathroom Remodeling Services in Lucas Valley-Marinwood
Full Bathroom Remodeling
A full gut renovation on a 1960s Marinwood ranch typically runs $9,000 to $28,000. That range covers moving walls, relocating plumbing, upgrading the subfloor if your raised-wood foundation needs repairs, and bringing the whole room to current energy and water code. On post-and-pier foundations we commonly find dry rot and settling that has to be addressed before tile work starts; we won’t tuck that behind a vanity and hope the inspector misses it.

Walk-In Showers & Shower Remodeling
Walk-in shower installation in Lucas Valley-Marinwood generally falls between $4,500 and $12,000, depending on whether you’re converting an existing tub footprint or expanding into former closet space. The damp winter air that drains down from the surrounding hills makes proper waterproofing membrane and ventilation non-negotiable here. We see the consequences of bad shower pans and unvented moisture in crawl spaces all over the Marinwood section every winter.

Tub-to-Shower Conversion
Tub-to-shower conversions run $3,500 to $10,000 in this area. It’s one of the most popular requests from homeowners in 94903 who want a safer step-in entry without sacrificing the footprint of a single bathroom in their three-bedroom, one-bath ranch homes. The conversion usually takes less than a week once permits clear, and we handle the county paperwork start to finish.

Vanities, Tile & Fixtures
Bathroom vanity installation is the smallest scope we take on, running $800 to $3,000 including disposal of the old unit. The valley’s summer heat accelerates paint failure and wood-frame drying on south-facing elevations, so we recommend solid-frame or plywood-box vanities rather than particleboard for any bathroom wall that gets direct afternoon sun through an original single-pane window. We’ll help you pick materials that hold up in your specific house, not just what looks good in a showroom.
We also handle small bathroom remodels ($5,000-$12,000), frameless glass shower enclosures, and bathtub replacement. Our full Bathroom Remodeling team covers every scope from a half-bath refresh to a full master suite gut.

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 Lucas Valley-Marinwood
We install brands you can look up, not mystery materials off a van. For bathroom windows and any glass work adjacent to the remodel, we regularly work with Simonton and Ply Gem product lines. If your bathroom window is original to a late-1950s or early-1960s Marinwood build, swapping it during the remodel is the only time the opening will be accessible without cutting into finished tile. We keep local stock and ordering channels for Lucas Valley-Marinwood customers so hardware delays don’t stall the job after demo is already done.
Common Bathroom Remodeling Problems We See in Lucas Valley-Marinwood Homes
- Raised-wood foundation rot and settling. The Marinwood section was built mostly between the late 1950s and mid-1960s on post-and-pier foundations. Winter fog and overnight moisture draining down the surrounding hills keep crawl spaces damp for months at a time, which means subfloor replacement and vapor-barrier work are frequent add-ons nobody budgets for but almost everyone needs.
- WUI fire-zone documentation delays. Because virtually every parcel here sits in a State Responsibility Area Wildland-Urban Interface zone, even a bathroom remodel that touches an exterior wall or window can trigger CAL FIRE-compliant construction requirements. A contractor who doesn’t know to file that documentation up front can stall your permit for weeks.
- Single-pane windows behind new tile work. Homes along the Lucas Valley Road corridor from that same era often still have original single-pane aluminum-frame windows. Installing new tile and a new vanity around a window that leaks heat and condensation is a waste of your remodel dollar; we flag it before we bid it.
- Inadequate ventilation in original baths. Many 1960s tract bathrooms were built with a single small exhaust fan or none at all. The valley’s heat-trapping summers and damp winters make that a mold and paint-failure problem inside two years. We size and vent fans to the actual room, not to whatever hole already exists.
Pricing for Bathroom Remodeling in Lucas Valley-Marinwood, CA
A full bathroom remodel in Lucas Valley-Marinwood runs $9,000 to $28,000. Small bathroom remodels fall between $5,000 and $12,000. Walk-in shower installation sits at $4,500 to $12,000, tub-to-shower conversion $3,500 to $10,000, and vanity installation $800 to $3,000. What moves the needle: whether the county requires WUI documentation on your specific parcel, whether the raised-wood foundation needs repair, and whether you’re keeping the existing footprint or moving plumbing. We give free estimates in writing, line by line, and no price changes happen without a written change order you sign first. There is a permanent 10% Senior and Veteran discount, and a free second opinion on any written estimate you already have from another company. Call (877) 610-1318 to schedule yours.
We Also Serve Cities Near Lucas Valley-Marinwood
Our crews work throughout Lucas Valley-Marinwood and the surrounding unincorporated pockets, plus San Rafael, Fairfax, San Anselmo, and Novato. We also handle Roofing in Lucas Valley-Marinwood and Windows & Doors in Lucas Valley-Marinwood if your remodel turns into something bigger than the bathroom.
Serving Lucas Valley-Marinwood, CA - Our Local Coverage Area
We’re based in the Lucas Valley-Marinwood 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 - Bathroom Remodeling in Lucas Valley-Marinwood
Once the Marin County permit clears, most of our Lucas Valley-Marinwood jobs start within two to four weeks. Permitting is the variable: unincorporated parcel reviews with WUI fire-zone documentation run slower than city-jurisdiction permits, which is exactly why we file the complete package up front. Call (877) 610-1318 for a start-date estimate specific to your address.
Yes. We work throughout 94903, including the Marinwood tract homes off Miller Creek Road, the hillside properties above Lucas Valley Road, and the parcels that border the open-space hillsides. The county permit process applies to all of them, and we know which documentation each trigger needs before we submit.
For standing water from a failed supply line or a burst pipe, shut off the water at the fixture or the main, then call us right away. We’ll pull the affected flooring and assess the subfloor damage, especially in raised-foundation homes where standing water travels fast through the crawl space. Call (877) 610-1318 and a live person answers, 24 hours a day.
Sometimes, and the reason is real: county-level permitting with WUI fire-zone documentation adds plan-review time and occasionally additional material requirements that an incorporated city like San Rafael doesn’t trigger. We pass that cost through transparently as a line item, not buried in padding. Call (877) 610-1318 for an exact quote; estimates are free.
Every job carries the written 90-Day Done Right Promise: if it’s not done right, one call brings Tom Barrett back to make it right. For material and workmanship issues beyond that window, we stand behind what we install because our name is on the truck and Tom’s sons run the crews. Get the details in writing at your free estimate.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Lucas Valley-Marinwood and surrounding Marin County since 1998.







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