Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterFast, Reliable Bathroom Remodeling Across Kensington
Bathroom remodeling in Kensington, CA typically runs $9,000 – $28,000 for a full gut-and-rebuild, with smaller projects like a tub-to-shower conversion landing between $3,500 and $10,000. The spread comes down to three things: how much structural work the county requires, what materials you choose, and how tight the access is on your hillside lot. We’re Penhallow Remodeling, and we’ve worked enough homes along Arlington Avenue and the surrounding streets to know exactly what Kensington throws at a bathroom project. Call (936) 259-2607 for a written quote before any work starts.
Why Penhallow Remodeling Is Kensington’s Preferred Bathroom Remodeling Company
Kensington homes are not Berkeley homes. They’re not El Cerrito homes. They sit inside unincorporated Contra Costa County, which means a completely different permit path, a different inspection schedule, and a different set of fire-hardening rules than any neighboring city. We know the difference because we’ve stood in the Martinez plan-check line alongside other Kensington homeowners waiting for the same county sign-off. Our Bathroom Remodeling team works on tight hillside lots where the dumpster can’t just sit on the street and the neighbor’s wall is nine feet from your bathroom window. We stage accordingly.
Homeowners here have been burned before. They had a contractor who promised a Berkeley-style permit timeline and lost three weeks in the county queue. They had a crew block a shared driveway and never heard the end of it. We fix that by writing the plan down: the price, the window, the guarantee. Trevor Nash runs every project this way. A written number before demo day. A real arrival window. A 365-Day Done Right Promise signed on the invoice. You know who’s walking into your house: background-checked, uniformed, and accountable to the name on the truck.
Kensington reviews mention the same things: we showed up when we said we would, the site stayed clean, and the final cost matched the original quote. That’s not a slogan. That’s the Kingswell standard we’ve operated under since 2004.
One Day Bath Remodel in Kensington
A One Day Bath Remodel in Kensington makes sense when the layout works, the subfloor is sound, and the county doesn’t require structural changes. We keep the toilet, vanity, and tub or shower in their existing positions and rebuild the surfaces around them: new tile, new fixtures, new trim, new glass. For a standard 5×8 bath on a flat enough lot, that job lands in the $9,000 – $14,000 range depending on tile and glass choices. It’s faster and cleaner because we’re not tearing into framing or moving drain lines.
What Stays, What Goes
We replace the visible surfaces and the plumbing trim. The shower valve, tub spout, vanity top, mirror, lighting, and floor tile all come out. The pipes in the wall stay put unless we find something the county would flag. In Kensington homes built before 1940, we sometimes open the wall to find galvanized supply lines past their useful life. That’s a change order, but it’s a documented change order with a written price before we touch it.
WUI Vents and Fire-Hardening Review
If we’re changing a bathroom exhaust fan or adding a skylight, the county’s WUI fire-hardening review applies. New vent penetrations need ember-resistant assemblies. We detail that into the quote from the start so the final inspection doesn’t turn into a surprise. Most Kensington homes need this, and most contractors don’t mention it until the inspector does.
Bathroom Remodeling Contractor in Kensington
A full-service Bathroom Remodeling Contractor in Kensington handles more than surface swaps. We move walls, relocate drains, sister floor joists, reinforce cripple walls, and rebuild showers from the rough-in out. Full remodels on a 1920s – 1940s Craftsman or Period Revival home here run $18,000 – $28,000 when structural work is involved. Smaller guest baths without framing changes fall in the $9,000 – $15,000 band. You need a contractor who understands both the seismic reality and the county’s extra layer of review.
Structural Work, Done Quietly
Kensington’s hillside lots often hide undersized cripple walls and missing anchor bolts. A bathroom gut exposes that. If we find an unreinforced brick perimeter wall, we sister it up and bolt it. That’s earthquake retrofitting, plain and simple. We sequence it so the plumber and the framer don’t trip over each other, and the job stays on the written timeline.
Tight-Lot Access and Neighbor Management
On a narrow street off Arlington Avenue, the dumpster goes in the driveway, not the road. Materials get staged in the garage or a single designated spot. If the walls are shared, we notify the neighbor in writing before any hammering starts. That courtesy isn’t in the permit packet. It’s just how Kensington jobs need to run when the houses sit shoulder to shoulder on cut-and-fill lots.
Trusted Brands We Service in Kensington
We build with products that carry their own weight. KraftMaid and Wellborn cabinetry hold up in damp hillside bathrooms. Kohler and Moen fixtures come with manufacturer warranties that stack on top of our 365-Day Done Right Promise. Cambria and Caesarstone quartz vanity tops resist the marine fog moisture that rolls in off the bay every morning. We keep common parts for these brands in local supply, which means a warranty replacement for a Kohler cartridge or a Moen trim piece doesn’t sit on backorder for two weeks. You get the fixture, the guarantee, and the follow-through.
Common Bathroom Remodeling Problems We See in Kensington Homes
- Rotted subfloors from upslope moisture: West-facing slopes catch the daily marine fog, and that moisture wicks into 90-year-old framing. By the time a homeowner notices a soft spot under the tile, the structural fix is usually bigger than the bathroom itself.
- Unreinforced brick perimeter walls: 1920s and 1930s Craftsman bungalows in Kensington were built before modern seismic anchors became code. Opening a bathroom wall often reveals brick with no bolts. The county won’t sign off on a remodel without addressing it.
- Wrong-jurisdiction permit filings: Berkeley-accustomed GCs file through the wrong portal, and the project stalls for weeks in Martinez. We’ve inherited three of those jobs this year alone.
- WUI fire-hardening misses on vents and skylights: A new bathroom exhaust fan or skylight penetration triggers ember-resistant assembly requirements here. Miss it at plan-check, and you’re paying for a change order the week before final inspection.
Pricing for Bathroom Remodeling in Kensington, CA
A full bathroom remodel in Kensington runs $9,000 – $28,000. The exact number depends on square footage, structural condition, material grade, and how much county-mandated work sits behind the walls. Here’s how it breaks down:
| Project | Kensington Price Range |
|---|---|
| Bathroom Remodel (full) | $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 |
| Bathroom Vanity Installation | $800 – $3,000 |
Structural retrofitting runs extra, but it’s always a written line item before we start. No verbal ballparks, no change orders that show up unannounced on invoice day. We give you a written price, a defined arrival window, and a 365-Day Done Right Promise on every job. Call (936) 259-2607 to schedule a free estimate. We’ll walk the bathroom, check the crawl space, and tell you exactly what the county is going to want.
We Also Serve Cities Near Kensington
While this page is written for Kensington homeowners, our crews also serve Kensington and the surrounding Bay Area communities. That includes projects in Los Angeles, San Diego, San Jose, and San Francisco. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and the same Kingswell standard applies everywhere we work: written price first, uniformed crew, written guarantee.
Serving Kensington, CA - Our Local Coverage Area
We’re based in the Kensington 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 About Bathroom Remodeling in Kensington
Contra Costa County. Kensington is unincorporated, so every permit, plan-check, and inspection runs through the Building Inspection Division in Martinez, not Berkeley’s Accela portal. We file accordingly from day one, and we build the county’s turnaround time into your project schedule so the date on the written quote stays the date on the wall calendar. Call (936) 259-2607 if you want to know exactly what that timeline looks like for your specific street.
Because the county requires it. When you open a wall or floor in a pre-1940 hillside home, inspectors check for missing anchor bolts, undersized cripple walls, and unreinforced brick. If those conditions exist, the permit won’t close without a structural fix. We’d rather write that into the quote before demo day than hand you a surprise change order after the tile is off. Call (936) 259-2607 for a written quote that accounts for the seismic reality of your house.
Access drives cost. On a steep Kensington lot, dumpster placement, material staging, and delivery windows all get tighter. If your bathroom wall abuts a neighbor’s wall, we sequence work to minimize impact and give written notice before heavy hammering begins. Those logistics take planning time, and they’re part of the written quote. We’d rather spend an extra hour on staging than a week on a neighbor dispute. Call (936) 259-2607 to talk about your specific lot.
Any new penetration through the roof or exterior wall triggers Wildland-Urban Interface review in Kensington. That includes bathroom exhaust fans, skylights, and side-wall vents. The assembly must meet ember-resistant standards. We detail that compliance into the original quote, because missing it at plan-check leads to a change order at final inspection, and that’s a lousy way to finish a remodel. Call (936) 259-2607 and we’ll check your planned vent locations before you commit to a layout.
Three things: a written price, a defined arrival window, and a written guarantee. Ours is the 365-Day Done Right Promise: if the work fails inside a year, we come back and fix it at no charge. That’s been the Kingswell standard since 2004, and Trevor Nash signs it on every Kensington project. If a contractor won’t put all three in writing before demo day, don’t let them take a hammer to your bathroom. Call (936) 259-2607 for a quote that’s written down, not spoken over the phone.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Kensington and the surrounding Bay Area.