Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Thousand Oaks
A full bathroom remodel in Thousand Oaks typically runs $9,000-$28,000, with walk-in shower installations landing between $4,500-$12,000 and tub-to-shower conversions at $3,500-$10,000. That is the honest range, and we put it in writing before any work begins. Barrett & Sons Construction has been owner-operated since 1998, and when Thousand Oaks homeowners call (877) 610-1318, a live person answers, day or night. If you are weighing a remodel in Lynn Ranch, Newbury Park, or the 91362 hillside corridors, we are the crew that shows up on time, pulls the permits, and writes every change order before a single nail moves.
Why Barrett & Sons Construction Is Thousand Oaks’s Preferred Bathroom Remodeling Company
Thousand Oaks homeowners do not hand their bathroom to just anyone. They check the license, they ask around at the hardware store, and they want a name on the truck they can verify. Tom Barrett’s name, address, and license number are published and verifiable. Look it up before you sign anything. That transparency is not marketing. It is how we have worked since 1998.
Our crew members carry the Barrett & Sons name and a background check. They show up in uniform, they know the difference between Newbury Park’s 1960s ranchers and the split-levels off Lynn Road, and they understand what a permit inspector in Ventura County will flag before the inspector even walks through the door. That local knowledge is not something you learn from a franchise briefing. It comes from years of opening walls in this city and standing behind what we found.
We also answer our own phones. Twenty-four hours, seven days a week, a live person picks up. No voicemail box. No out-of-state call center. You call (877) 610-1318 and you get someone who can talk about your project, not a script. That matters when you are forty-eight hours into a remodel and need a straight answer.
Our Bathroom Remodeling Services in Thousand Oaks
We are a full-service Bathroom Remodeling company, but most of what we do in Thousand Oaks falls into four categories: full gut-and-rebuild remodels, walk-in shower installations, tub-to-shower conversions, and smaller updates like vanities, tile, and fixtures. Here is how each one plays out in this city’s homes.
Full Bathroom Remodeling
A full remodel in Thousand Oaks usually means opening up a bathroom in a 1970s split-level or a mid-60s ranch and finding what is behind the tile. Original copper supply lines. Water-damaged subfloor from a failed shower pan. Sometimes structural shear-wall requirements once an exterior wall comes into play. We scope all of it with written allowances, so when something surfaces that was not on the initial quote, you approve the price on paper before we proceed. Nothing moves without your signature.

Walk-In Showers & Shower Remodeling
Thousand Oaks homeowners in their 50s, 60s, and 70s consistently choose walk-in showers for the same reason: they want a bathroom that works for the next twenty years, not the last one. We install full walk-in shower systems, including curbless entry where the framing allows, and we handle the waterproofing correctly. A failed shower pan is the single most common source of dry-rot we find when opening a Thousand Oaks bathroom. We build so that problem does not come back.

Tub-to-Shower Conversion
Converting a tub to a walk-in shower is the most frequent request we get in the 91360 and 91362 ZIPs. The older masters in Thousand Oaks tend to have a single tub-shower combo that is cramped, dated, and a slipping hazard. We remove the tub, reinforce the drain line, build the shower pan, and finish with tile or a framed glass enclosure. On a hillside lot, we also check what is happening under the slab before we set anything new.

Vanities, Tile & Fixtures
Not every job needs a gut. Sometimes the tile is sound but the vanity is a 1980s particleboard box with water-swollen edges. We replace vanities, re-tile floors and tub surrounds, and swap outdated fixtures in homes from Westlake Village to Oak Park. You pick the materials. We install them and stand behind the work. If you are within Thousand Oaks, the estimate is free and the trip charge inside the county is waived.

What happens when you call
- 1
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 Thousand Oaks
We carry and install brands you can look up, not mystery materials off a van. In bathrooms across Thousand Oaks, we regularly set Simonton and PGT window units when a remodel opens or enlarges an opening, and we use Ply Gem trim and vents where WUI code does not restrict us. Every brand we install, we can point you to a spec sheet and a warranty. That is the point.
Common Bathroom Remodeling Problems We See in Thousand Oaks Homes
- Corroded copper supply lines at the slab. Homes built in the 1960s and 1970s across Thousand Oaks often have original copper that has been sitting in contact with the slab for fifty years. When we open a bathroom, we routinely find pinhole leaks or mineral-crusted fittings that have to be replaced before the walls close.
- Failed shower pan waterproofing. The single most common source of rot we find in Conejo Valley bathrooms is a shower pan that was installed before modern membrane systems existed. By the time you see the cracked grout, the subfloor underneath has usually been wet for years.
- WUI code triggers on exterior walls. In Thousand Oaks’s High Fire Hazard Severity Zone, a bathroom that opens an exterior wall often requires ember-resistant vents and ignition-resistant sheathing. A contractor who does not check the HFHSZ map before pulling the permit is going to get sent back to plan-check. We check first.
- Sloped-lot drainage saturating the subfloor. On hillside parcels in the 91362 ZIP, failed retaining-wall drainage can push water toward the foundation and into the bathroom’s floor system for years without anyone noticing. We find it when we open the wall. Then we price a fix in writing so you decide, not the surprise.
How a WUI Code Trigger Changes a Thousand Oaks Bathroom Remodel
This is the thing no one tells you until the permit comes back. In Thousand Oaks, a bathroom remodel that opens any exterior wall or triggers a sheathing repair must comply with California’s Chapter 7A Wildland-Urban Interface codes in the city’s High Fire Hazard Severity Zone. That means ember-resistant vents, ignition-resistant wall assemblies, and a WUI compliance review that can add weeks to the permit timeline. A standard vinyl soffit vent near your bathroom exhaust fan will get rejected outright in Ventura County plan-check, even though the exact same vent would pass without a comment just over the county line in the San Fernando Valley. This is not a technicality here. It is the lived reality of post-Woolsey Thousand Oaks.
We learned this the way you probably expect. On a 1970s hillside split-level in Lynn Ranch, our crew opened up a master bath to find the original copper supply lines corroded at the slab penetration and water-damaged subfloor where the old shower pan had failed. The permit triggered structural shear-wall upgrades because the exterior wall was load-bearing, plus WUI-approved venting at the plumbing wall. We wrote the scope of work with a line-item allowance for dry-rot repair, and when the framing inspection sign-off came, the third-party inspector confirmed the new ember-resistant vents and ignition-resistant sheathing before we closed the wall. That is how we handle every open-wall surprise in Thousand Oaks: find it, show you, price it, get your signature, then fix it.
Pricing for Bathroom Remodeling in Thousand Oaks, CA
Here is what you can expect to pay in Thousand Oaks. These are the ranges we quote and the ranges we build to. A full bathroom remodel runs $9,000-$28,000, depending on square footage, existing conditions, and whether a hillside lot requires structural or WUI upgrades. Small bathroom remodels typically land between $5,000-$12,000, and a bathroom vanity installation runs $800-$3,000.
| Service | Typical Price Range in Thousand Oaks |
|---|---|
| Bathroom Remodel | $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 |
The single biggest variable when opening a Thousand Oaks bathroom is what we find behind the walls. Dry-rot, failed waterproofing, corroded supply lines, a WUI code trigger on an exterior wall. Any good contractor who has worked this city knows these possibilities and should handle them the same way we do: an inspection first, written allowances built into the contract, and any surprise arriving as a written change order with a price, before work proceeds. If a contractor will not put that in writing, keep looking. Call (877) 610-1318 and we will walk your bathroom, identify everything we can see, and give you a free estimate that includes the line items you need to compare apples to apples.
We Also Serve Cities Near Thousand Oaks
Our bathroom remodeling teams regularly work in Westlake Village, Oak Park, Agoura Hills, and Agoura, in addition to Bathroom Remodeling in Thousand Oaks. If you are just over the line in 91301 or 91377, the same crew, the same pricing structure, and the same written change order process applies. Call (877) 610-1318 to schedule your free estimate.
Serving Thousand Oaks, CA - Our Local Coverage Area
We’re based in the Thousand Oaks 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 Thousand Oaks
Yes, if your remodel opens an exterior wall or replaces sheathing, Chapter 7A WUI code requires ember-resistant vents and ignition-resistant wall assemblies in the city’s High Fire Hazard Severity Zone. The requirement applies to the bathroom’s plumbing wall, any exterior wall assembly touched by the remodel, and any vent penetration in that wall. Standard vinyl soffit vents will fail Ventura County plan-check. Call (877) 610-1318 and we will check your property’s HFHSZ status before the permit goes in.
Plan-check review for WUI compliance in Ventura County typically adds two to four weeks to the permit timeline, depending on the season and the county’s current plan-check volume. We submit the WUI documentation with the initial permit application so the review runs concurrently with the rest of the plan-check rather than kicking back later. That is the practical way to keep the job moving. Call (877) 610-1318 for a realistic timeline on your specific project.
We will show you the rot, photograph it, price the repair, and wait for your written approval before touching it. That is the written change order process, and it applies to every scope change on a Thousand Oaks remodel. Dry-rot behind a shower is not optional to fix, but it is also not a blank check. You see the number before we cut anything.
Yes, many hillside homes in the 91362 ZIP sit on sloped lots with load-bearing exterior walls, and opening a bathroom on that wall can trigger shear-wall upgrades and foundation considerations that flat-ground homes do not face. The permit inspector enforces this, not us. We plan for it from the start and include the structural allowance in the written scope of work. Call (877) 610-1318 for a free assessment of your hillside bathroom.
Yes, Ventura County inspectors verify the shower pan membrane and waterproofing system before any tile or enclosure goes up. The inspector works for you, not for me. That is why we like having them involved. It means the waterproofing behind your new walk-in shower gets signed off by a third party before the walls close, not just by the crew that installed it. Call (877) 610-1318 to schedule your free estimate and talk through the inspection process for your Thousand Oaks remodel.
When you are ready, call (877) 610-1318. Tom Barrett or one of his sons will answer. We will schedule a free walkthrough, scope the job in writing, pull the permits, and stand behind the finished bathroom with the 90-Day Done Right Promise. If it is not right, one call brings us back to make it right.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Thousand Oaks and the Conejo Valley since 1998.







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