Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Danville
A full bathroom remodel in Danville typically runs $9,000 to $28,000, with the final number driven by your cabinet line, countertop material, and whether the project touches the home’s exterior envelope. We’re Penhallow Remodeling, and we’ve worked on primary baths, hall baths, and powder rooms across the San Ramon Valley long enough to know which Danville projects will sail through permit review and which ones need a closer look before demolition starts. If you’re weighing a tub-to-shower conversion or a complete gut-and-rebuild, call (936) 259-2607 and we’ll walk you through what’s realistic for your house, your lot, and your budget.
Why Penhallow Remodeling Is Danville’s Preferred Bathroom Remodeling Company
Danville homeowners tend to ask sharper questions than most. They want to know whether the quartz they’re eyeing will actually arrive when the fabricator says it will, and whether the crew walking through their front door is the same crew that measured the job. We answer both questions the same way: in writing, before any work begins. Trevor Nash sets the standard here. Every estimate is a fixed number, not a range, and every job carries our 365-Day Done Right Promise. If something isn’t right inside that year, we come back and fix it. No charge, no re-inspection fee, no argument.
We also know the difference between a Sycamore tract home and a Blackhawk custom estate, because we’ve worked in both. A 1990s stucco-over-wood-frame primary bath with a post-tension slab is a different animal than a newer hillside build with WUI fire-zone requirements. That local knowledge shows up in how we sequence the work, how we pull permits with the Town of Danville, and how we price the job so the number on day one is the number on the final invoice. Our Bathroom Remodeling team coordinates design, materials, and construction from one point of contact, so you’re not chasing three different subs when a cabinet order slips.
Tub to Shower Conversion in Danville
Tub to Shower Conversion is the most common project we quote for Danville homeowners who want to age in place without giving up the look of a high-end bath. In Danville’s 1980s and 1990s tract homes, the original tub surrounds are almost always set over greenboard or drywall, not a proper cement board substrate, the moisture-resistant layer behind your tile. Once water finds a seam, the damage is behind the wall before you see a crack in the grout. A conversion usually means pulling the tub, re-framing the footprint for a walk-in pan, installing a true waterproofing system, and then rebuilding the surround with tile or a solid-surface wall system. In Danville this runs $3,500 to $10,000 depending on the valve, the glass, and whether we’re moving the drain.
Walk-In Shower Without the Curb
Most Danville clients converting a tub want a curbless entry if the floor framing allows it. In a post-tension slab home, dropping the shower floor is rarely an option without a structural engineer. We’ll tell you that on the first visit, not after demo. When a curbless entry isn’t feasible, a low-profile threshold with a frameless glass panel gets you 90 percent of the look and function at a third of the structural headache.
Frameless Glass and What It Costs
Architectural glass is where Danville baths start to feel custom. A frameless glass enclosure with a heavy hinged door typically adds $1,500 to $3,000 to a tub-to-shower conversion, depending on panel size and hardware finish. We order from fabricators who measure after the tile is set, not before, so the glass lands flush on a finished wall. That sequencing detail is the difference between a shower that looks designed and one that looks patched.
One Day Bath Remodel in Danville
One Day Bath Remodel is the right call for Danville homeowners who have one full bath and can’t afford to lose it for two weeks. Think of it as a cosmetic rebuild of the tub or shower area: we replace the surround, the valve, the trim, and the drain assembly, and we leave it grouted, caulked, and ready to use by the end of the day. The scope doesn’t include moving walls, re-routing plumbing, or opening the subfloor. For an intact alcove tub or shower in a Danville home, this runs $6,000 to $9,000 when we’re using a solid-surface wall system and a new pressure-balanced valve. The price is fixed before we cut anything.
What Stays and What Goes
We can keep your existing tub if the enamel is sound, or swap it for a new acrylic unit in the same footprint. The valve and trim get replaced every time, because a 30-year-old Danville home with original Moen or Delta hardware is one failure away from a ceiling repair downstairs. We also replace the drain and overflow, not just the visible parts. The goal is a bath that works like new, not one that looks new for six months.
When One Day Isn’t the Answer
If we find water damage in the subfloor or the framing, we stop and tell you. We don’t cover it up with a new panel and call it done. At that point the project becomes a repair-plus-remodel, we give you a revised written price, and you decide before we go further. That pause is rare, but it’s honest. The last thing a Danville homeowner needs is a five-figure surprise after the crew has gone home.
Trusted Brands We Service in Danville
We spec materials we can stand behind, because our 365-Day Done Right Promise has to cover the products as well as the labor. For Danville custom baths, that usually means KraftMaid or Wellborn cabinetry for the vanity, Cambria or Silestone quartz for the top, and Kohler or Moen fixtures. Cambria carries its own lifetime warranty alongside ours, which matters when you’re putting a double vanity in a Blackhawk primary bath. We also work with architecturally focused prefab and panel systems where the schedule demands it. On projects where a Danville client wants speed plus a custom look, brands like Abodu and Cover can shorten the building shell timeline, though for a bathroom remodel inside an existing footprint, traditional framing and finish carpentry are usually faster. We stock common Kohler and Moen cartridges and trim on our local trucks, so small corrections during a final walkthrough don’t turn into a two-week wait.
Common Bathroom Remodeling Problems We See in Danville Homes
- Post-tension slab surprises. Many Blackhawk and Sycamore homes sit on post-tension concrete, and cutting into one to move a drain requires a locate, an engineer’s letter, and a permit. Out-of-area crews sometimes core first and ask questions later. We don’t.
- WUI ignition-resistant rules on exterior changes. If a bathroom remodel in the hillside zones near Mount Diablo adds a window, a vent, or a deck-adjacent wall penetration, the Town of Danville will apply IRC R327 and CALFire SRA ignition-resistant standards. That turns a cosmetic update into an exterior compliance project, and we plan for it from the first walkthrough.
- Original 30-to-40-year-old electrical panels. A heated floor, a steam unit, or even a dedicated GFCI circuit can overload an original 1980s panel. We include panel evaluation in every Danville bath quote so a re-inspection doesn’t stall your final sign-off.
- Clay soil and seasonal movement. Danville’s clay-heavy soils expand in winter and shrink hard in summer. That seasonal cycle opens hairline cracks at wall-to-tile transitions, especially in slab-on-grade baths. We detail those joints with flexible sealant and movement accommodation joints, not rigid grout, so the finish stays intact through the wet-dry cycle.
Pricing for Bathroom Remodeling in Danville, CA
Here’s what we quote in Danville right now. A full bathroom remodel runs $9,000 to $28,000. A small bath or powder room is $5,000 to $12,000. Tub-to-shower conversion lands between $3,500 and $10,000. Walk-in shower installation is $4,500 to $12,000. Shower replacement alone is $3,000 to $8,500, and a vanity installation without moving plumbing is $800 to $3,000. These are fixed written numbers, not ballpark estimates. What moves the price is cabinet line, countertop material, whether the plumbing changes location, and whether the project touches the exterior envelope. We give you a line-item quote before any work starts, and that number doesn’t change unless you change the scope. Call (936) 259-2607 for a free estimate.
| Danville Bathroom Remodeling Line Item | Typical Price Range |
|---|---|
| Full Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
We Also Serve Cities Near Danville
Our crews work throughout the San Ramon Valley and the surrounding Tri-Valley area. Beyond Danville, we regularly take on bathroom remodels in San Ramon, Clayton, Alamo, and Dublin. If you’re in one of those towns, the same pricing discipline, the same written guarantee, and the same background-checked uniformed crew apply.
Serving Danville, CA - Our Local Coverage Area
We’re based in the Danville 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 Danville
No, if the work stays entirely inside the existing envelope. The ignition-resistant requirements under IRC R327 and CALFire SRA kick in only when the project adds or alters exterior components: a new window, a relocated vent termination, soffit or eave work, or a deck-adjacent wall assembly. That said, a surprising number of Danville bath remodels do touch the exterior, because moving a vent or adding daylight is often the whole point. If your hillside lot near Mount Diablo falls in the WUI zone, the Town of Danville will require non-combustible or ignition-resistant detailing on that exterior penetration. We pull the permit and spec the right materials before you’re mid-project. Call (936) 259-2607 and we’ll tell you where your parcel sits and whether your scope triggers it.
A post-tension slab means the concrete is stressed with internal steel tendons, and cutting or coring into it without an X-ray locate and an engineer’s sign-off can sever a tendon and damage the slab’s structural integrity. For a bathroom remodel, this matters when you want to move a toilet, shower drain, or tub drain. Even a 2-inch shift in drain location can require a structural review. We bring the locate and the engineer in before demo, not after. Our recent primary bath remodel in a 1990s Blackhawk estate ran into exactly this, and we revised the rough-in plan before cutting a single hole. If you’re planning any plumbing relocation in a slab home, call (936) 259-2607 before you commit to a layout.
Lead times. Custom Cambria and Silestone slabs run 4 to 8 weeks from template to install. KraftMaid and Wellborn cabinetry, depending on the line and finish, runs 6 to 10 weeks. Frameless architectural glass fabricated for a specific opening runs 2 to 4 weeks after tile is set. Labor on a single-bath remodel in Danville is usually 2 to 3 weeks of on-site work. So the schedule is set by how early we order the long-lead items, not by how fast the crew works. That’s why we lock the vanity, top, tile, and glass selections in writing before we release any purchase order. A Danville bath that starts with materials already in the pipeline finishes weeks ahead of one that waits for the homeowner to pick a slab at week three. Call (936) 259-2607 if you want a schedule built that way.
We do it with a written line-item quote that includes every allowance and every finish you’ve selected, plus a set of written allowances for hidden conditions like dry-rotted framing or an out-of-date panel. Once you approve the quote and we release the purchase order for the cabinets, stone, and glass, that price stays fixed unless you change the scope. If we open a wall and find the framing is compromised, we stop, show you, and give you a written change order price before going further. The number on day one is the number on the final invoice, period. That’s the Kingswell standard, and it’s the only way we work in Danville.
Yes, a tub-to-shower conversion that moves a drain, changes the valve, or alters the wall assembly needs a plumbing and building permit through the Town of Danville. The Calaveras Fault runs beneath the San Ramon Valley, so any structural alteration, including enlarging an opening or adding blocking for glass, triggers seismic design review. In practice, that means shear wall details and connector hardware spec’d to current code rather than whatever was standard in 1989. We pull the permit, we schedule the inspections, and we pass them. The seismic overlay here is real, and it’s one more reason you want a contractor who has done this in Danville before.
Call Penhallow Remodeling at (936) 259-2607 to schedule your free bathroom remodeling estimate in Danville. We’ll give you a written price, a real schedule, and a 365-Day Done Right Promise in writing before you commit to anything.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Danville and the San Ramon Valley with written pricing and a 365-Day Done Right Promise on every project.







Before
After
Before
After
Before
After