Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Santa Rosa
A full bathroom remodel in Santa Rosa typically runs $9,000 – $28,000, and a small bathroom remodel usually lands between $5,000 and $12,000. Those numbers cover the kind of work we’re doing every week in Coffey Park, Bennett Valley, and Rincon Valley: tear-out, subfloor repair, drain-line upgrades, tile, fixtures, and finish. We give you the price in writing before the first tile comes up, and we don’t change it at the door. Call (936) 259-2607 to schedule your free estimate.
Why Penhallow Remodeling Is Santa Rosa’s Preferred Bathroom Remodeling Company
Trevor Nash built Penhallow Remodeling around a simple idea: say the price before the work, show up in the window we gave, and leave the place cleaner than we found it. That’s The Kingswell Way, and it’s how we’ve been operating since 2004. Santa Rosa homeowners call us because they’ve been burned before, often by a contractor who went quiet after demo day. So we put the guarantee on paper. If the work fails inside 365 days, we come back and fix it at no charge. That’s the 365-Day Done Right Promise, and it’s part of every project we take on.
We’re not the cheapest bid in Sonoma County, and we don’t try to be. We’re the crew that answers the phone when you call, arrives in uniform, and writes a number you can hold us to. Dispatch and scheduling run from our San Francisco Bay Area office, and our crews serve Santa Rosa locally. When you see a Penhallow truck on Sonoma Avenue or near Howarth Park, that’s a background-checked crew headed to a real job with a real schedule.
Key Takeaways
- Full bathroom remodels in Santa Rosa run $9,000 – $28,000; small bathrooms run $5,000 – $12,000.
- Most local homes sit on pre-1970s crawl spaces, so subfloor and drain work often precedes tile.
- Our 365-Day Done Right Promise is written into every contract, not implied.
- We coordinate permits, including WUI overlay requirements in Fountaingrove and other hillside neighborhoods.
- Call (936) 259-2607 for a free estimate with a written price before work starts.
Bathroom Renovation in Santa Rosa
Bathroom Renovation in Santa Rosa usually means more than swapping a vanity and calling it done. In a 1958 ranch near Montgomery Village or a 1964 tract home off Stony Point Road, the work starts below the tile: checking the subfloor for soft spots, looking at the drain lines, and confirming the vent stack is still doing its job. A full renovation typically runs $9,000 – $28,000 depending on the size, the condition of what’s underneath, and the finish level you choose. The good news is that a renovation done right here fixes the things you can’t see, not just the things you can.
What the crawl space tells us first
Before any demo, we put eyes on the crawl space. In Santa Rosa, that’s where the real condition lives. Joist sag, rot from slow leaks, and cast-iron drains that have thinned at the threads are all common in pre-1970s stock. If we find a spongy subfloor, we tell you before tile goes down, and the written scope covers it.
Permits and overlays on the front end
Fountaingrove and other hillside neighborhoods fall under Santa Rosa’s Wildland-Urban Interface overlay zone. Even an interior bathroom remodel that touches an exterior wall can trigger ember-resistant vent and non-combustible soffit requirements. We pull the permits and we know the local amendments, so the inspector visit isn’t where you learn about them.
Small Bathroom Remodel in Santa Rosa
Small Bathroom Remodel work in Santa Rosa is its own specialty, not a downsized version of a big job. We’re talking hall baths, guest baths, and half baths squeezed into 40 to 60 square feet, often tucked next to a shared wall or stacked above a crawl space. These projects typically run $5,000 – $12,000. The constraints are real: the plumbing is tight, the staging is tighter, and the room still has to work every morning for the people who live there. Done right, a small bath remodel here delivers more function per square foot than a larger one.
Making a tight space work harder
We’ve done enough Santa Rosa hall baths to know a 5-by-8 room doesn’t forgive a bad layout decision. Installing a walk-in shower where a tub used to sit, moving the vanity to the long wall, and using a wall-mount faucet can make the same footprint feel twice as open. It’s about placement, not square footage.
Subfloor truth in older homes
The pre-1970s crawl-space homes on the valley floor have a pattern: the wax ring fails slowly, water wicks into the fir subfloor, and the toilet gets a wiggle nobody notices until the tile starts cracking. We check for that before we set anything. If the framing needs sistering, it’s in the quote, not a change order.
Trusted Brands We Service in Santa Rosa
We install materials we’re willing to stand behind for 365 days and then some. On Santa Rosa projects you’ll see KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone countertops, and Kohler, Moen, Delta, and Toto fixtures. These are the brands that carry their own manufacturer warranties alongside our guarantee. For a homeowner in Rincon Valley or near Spring Lake, that means two layers of protection on the vanity, the shower valve, and the finish work. We also coordinate with local suppliers when a custom order needs to arrive fast, so a Santa Rosa remodel doesn’t stall waiting on a part from three states away.
Common Bathroom Remodeling Problems We See in Santa Rosa Homes
- Spongy subfloors in 1950s – 70s crawl-space homes. Slow leaks from old wax rings and failing tub drains rot the fir decking. Tile set over it cracks within months, and the fix costs more after the fact than before.
- Undersized cast-iron drain lines. Original 1.5-inch tub drains and corroded vent stacks are common in pre-1970 stock. Upgrading to code-compliant rough-ins before finish work prevents future backups.
- WUI overlay corrections on hillside remodels. Fountaingrove and other overlay-zone homes can need ember-resistant vents and non-combustible exterior components even on a mostly interior job. Skirting that requirement just delays the permit.
- Party-wall friction on tight lots. Many Santa Rosa bathrooms share a wall with the neighbor. Demo without notice creates noise complaints, delayed inspections, and an unhappy block. We handle notice and staging up front.
Pricing for Bathroom Remodeling in Santa Rosa, CA
| Project | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
The spread comes down to a few concrete things: the condition of the subfloor and drain lines, whether the home sits in a WUI overlay, the cabinet line and countertop material you pick, and how tight the staging is. Tight driveway access on a small lot means we plan material drops differently, but it doesn’t inflate the line items. We give you a written price before any work starts, and that number holds through punch list unless you change the scope. Estimates are free. Call (936) 259-2607 and we’ll walk the bathroom with you, crawl space included.
We Also Serve Cities Near Santa Rosa
Our Bathroom Remodeling crews regularly work in Sebastopol, Windsor, Rohnert Park, and Cotati as well as Santa Rosa. If your home sits across the city line, the crawl-space conditions and permit path are often close enough that our Santa Rosa experience carries over directly. The same written price and 365-Day Done Right Promise apply.
Serving Santa Rosa, CA - Our Local Coverage Area
We’re based in the Santa Rosa 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 Santa Rosa
Santa Rosa’s older housing stock, much of it pre-1970s crawl-space construction, means more subfloor repair, joist sistering, and drain-line upgrades before finish work can start. That’s real labor and real material cost, and it shows up in the price. Newer slab-on-grade cities skip that layer of work entirely. Add the WUI overlay in hillside neighborhoods and some remodels carry extra fire-code requirements you won’t see in Petaluma. Call (936) 259-2607 and we’ll explain exactly where your line items fall.
A typical Santa Rosa bathroom remodel requires a building permit from the City of Santa Rosa, and if you’re moving plumbing or changing the drain layout, a plumbing permit too. Electrical work means an electrical permit. Hillside homes in the WUI overlay may also need plan review for ember-resistant vents and non-combustible components. We pull the permits and handle the inspections as part of our scope, which means you’re not chasing the permit counter. Call (936) 259-2607 to check what applies to your property.
Shared walls mean we give written notice to your neighbor before demo and keep noisier work inside reasonable hours. Tight lots mean staging materials in one driveway lane or coordinating a street drop, not a full yard laydown. These things don’t add hidden fees; they add planning hours up front so the job doesn’t stall mid-demo. Expect the quote to reflect the reality of your lot, and expect us to tell you exactly how we’ll stage before you sign. Call (936) 259-2607 for a walk-through.
We install KraftMaid and Wellborn vanities sized for real Santa Rosa hall baths, including narrow-depth and single-sink options that fit a 5-by-8 footprint without eating the aisle. Countertops come from Cambria, Silestone, or Caesarstone, and each carries a manufacturer warranty alongside our 365-Day Done Right Promise. If you need a custom depth or an unusual width, we can order it rather than force a stock size. Call (936) 259-2607 and we’ll bring samples to your house.
Yes, sometimes. If your home sits in the Wildland-Urban Interface overlay, typically Fountaingrove and other hillside areas, any work touching an exterior wall, soffit, or vent can require ember-resistant upgrades even if the bathroom itself is interior. The inspector checks on the final visit. We identify that requirement during our first walk-through and put it in the written scope so it’s handled, not sprung. Call (936) 259-2607 to find out if your address falls in the overlay.
Why Tight Santa Rosa Lots Change the Job
Santa Rosa grew fast after the 1950s, and a lot of the infill from that era squeezed homes close together. That changes how a bathroom remodel runs. Staging happens in a single driveway lane or on the street with a permit. Demo debris goes out in small loads, not a thirty-yard dumpster that blocks the whole block. Shared walls bring party-wall notice and a noise window that respects the neighbor’s right to a quiet dinner. And access affects the quote. A crawl space with a tight access hatch means hauling subfloor material and tools through a 2-foot opening, not a walk-in basement. None of this is a reason to stall. It’s a reason to plan, and planning is where we earn most of our trust in Santa Rosa.
Because much of Santa Rosa’s bathroom stock sits in pre-1970s crawl-space homes on the valley floor, most remodels here involve re-leveling a spongy subfloor and upgrading undersized drain lines before tile goes down. That’s work that isn’t triggered in newer slab-on-grade cities like Petaluma or Rohnert Park. We’ve learned to look for it on every job. We remodeled a small hall bathroom in a 1962 ranch home near Coffey Park, pulling the vanity and discovering the original cast-iron drain was failing and the subfloor had soft spots from years of slow leaks. We sistered the joists, ran new drain lines with a proper rough-in, and set a KraftMaid vanity with a Cambria top. The tight lot meant our crew staged materials in a single driveway lane and the neighbor’s shared wall required a written notice before demo. The homeowner got a fire-hardened exterior through-wall vent and a punch list that closed in two days because we set expectations in the scope of work up front.
If you’re reading this, you’re probably ready to price the job rather than buy it on the spot. That’s the right way to approach a Santa Rosa bathroom remodel. Call (936) 259-2607. We’ll set a free estimate, put eyes on the crawl space and the permit requirements, and hand you a written number with a written guarantee. No pressure. Just the actual plan.
Written by Trevor Nash, Owner at Penhallow Remodeling.







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