Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Concord
Bathroom remodeling in Concord, CA typically costs $9,000-$28,000 for a full renovation, with most projects taking 3-6 weeks from demolition to final inspection. We’re Rowan Construction Group, and our crews work the slab-on-grade ranches and split-levels that dominate Concord’s 1950s-1970s neighborhoods - from Sun Terrace to Dana Estates to the streets off Clayton Road. Calls route through our San Francisco Bay Area office, where a live person answers 24/7, and we schedule Concord appointments with a documented photo record included on every visit. Call (628) 300-4376 to get a written price before any work starts.
Why Rowan Construction Group Oakland Is Concord’s Preferred Bathroom Remodeling Company
We’ve delivered 4,000-plus projects since 2007, and a significant share of them sit on Concord’s slab foundations. Our Bathroom Remodeling team knows what the building department on Willow Pass Road expects in plan check, especially when a bathroom expansion triggers Concord/Green Valley Fault Zone review.
Concord customers find us through the three-star reviews first - the detailed ones that mention whether the crew showed the drain camera footage or explained the change order before signing. Those reviews matter to us because they reflect the actual documentation we deliver: written scope, written price, signed change order if anything shifts, and a photo record of every visit.
Response time to Concord runs same-week for estimates, with crews dispatched from our Bay Area coordination office. We don’t promise same-day construction - bathroom remodels don’t work that way - but we do promise a flat written quote within days, not weeks.
Local knowledge that saves money: we know which Concord subdivisions built in the 1962-1975 window used cast-iron drains that are hitting failure age right now. We camera those lines before quoting tile work. Skipping that step is how out-of-area contractors end up with slab-breaking change orders their customers didn’t budget for.
Our Bathroom Remodeling Services in Concord

Full Bathroom Remodeling
A full bathroom remodel in Concord’s older tract homes usually starts with systems, not surfaces. The 100-amp service common to these houses often needs upsizing before you add heated floors or a steam shower. We scope electrical, drainage, and ventilation rough-in before we quote cabinetry or tile, because Clause 1 of The Haven Standard requires a written price before any work starts - and that price has to cover everything that needs doing, not just what looks good in a rendering.

Walk-In Showers & Shower Remodeling
Walk-in shower installation in Concord runs $4,500-$12,000 depending on whether we’re working within the existing footprint or moving walls. In Concord’s slab homes, that footprint question is load-bearing - literally. The drain location is fixed in concrete unless we’re cutting, and many 1960s ranches have the original 1.5-inch drain that won’t handle a modern rainfall head. We specify the drain size, the membrane type (liquid-applied or sheet), and the glass enclosure in the written quote before demolition.

Tub-to-Shower Conversion
Tub-to-shower conversion in Concord costs $3,500-$10,000, but the real variable is what’s under the tub. On a 1962 ranch in the Sun Terrace neighborhood, we gutted a hall bath and found the original cast-iron drain had separated under the slab, so we jackhammered a 4-foot trench, replaced the drain to the main, and upsized the subpanel to 200 amps before setting a KraftMaid vanity and Kohler shower valve. The client got a walk-in shower with frameless glass and a signed inspection sign-off on the first pass. That job started with a drain camera inspection we include in our standard scoping - not an upsell.

Vanities, Tile & Fixtures
Concord’s hard water - 120-180 ppm from the Contra Costa Water District - chews through chrome finishes and leaves etching on natural stone. We specify porcelain and ceramic tile with absorption rates under 0.5 percent for wet areas, and we stock Kohler and Toto fixtures with PVD finishes that hold up to inland water chemistry. Bathroom vanity installation runs $800-$3,000 depending on whether we’re setting a stock cabinet or running custom KraftMaid with soft-close drawers and a quartz top.

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.
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AfterTrusted Brands We Service in Concord
We source across fifty-plus vetted brands, and for Bathroom Remodeling in Concord we regularly specify KraftMaid and Wellborn for vanities, Cambria and Caesarstone for countertops, and Kohler and Toto for fixtures. Our Bay Area warehouse stocks common Kohler valve trims and Toto flapper assemblies, which means Concord customers aren’t waiting two weeks for a part when a finish choice needs swapping. We don’t inflate quotes with phantom freight charges - the written price includes material, labor, and standard delivery.
Common Bathroom Remodeling Problems We See in Concord Homes

- Cast-iron drain failure under slab. Concord’s 1960s tract homes used hub-and-spigot cast iron that corrodes from the inside out. We camera every drain before quoting tile work. Skipping this is how a $6,000 tub-to-shower conversion becomes a $12,000 slab repair.
- Undersized electrical service. Original 100-amp panels can’t handle modern bathroom loads - heated floors, towel warmers, exhaust fans with humidity sensors. We verify panel capacity in our initial scope and include upsizing in the written quote when needed.
- Bathroom vents dumping into unvented attics. Concord’s 100°F summers turn an unvented attic into a steam box. A bath fan terminating in that space breeds mold and fails Title 24 inspection. We run proper venting to exterior soffits or gables, documented in the photo record.
- Fault-zone plan-check delays. The Concord/Green Valley Fault Zone affects eastern parcels near Ygnacio Valley Road and beyond. Substantial remodels or additions in these areas need a fault report and engineered foundation details. We pull these reports before submitting permits, not after the plan checker rejects the set.
Pricing for Bathroom Remodeling in Concord, CA
Here is what bathroom remodeling costs in Concord’s current market. These are flat-price ranges with written scope, not estimates that shift once work starts.
| Service | Concord 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 |
What moves the number: drain condition under slab, electrical service size, whether walls are moving, and fixture grade. A Kohler Purist valve trim costs more than a Coralais, and we specify the exact model in the written quote so you’re comparing apples to apples. Every project gets our Free Second Opinion on any written estimate - bring a competitor’s quote and we’ll review it line by line at no charge. Call (628) 300-4376 to schedule your free estimate.
We Also Serve Cities Near Concord

Our crews work throughout the Diablo Valley and inner East Bay. We regularly handle bathroom remodeling in Walnut Creek, where the housing stock skews newer but fault-zone rules still apply; Danville, with its larger custom homes and estate-grade fixture expectations; Oakland, where older Victorians and mid-century ranches present different rough-in challenges; and Berkeley, with its own permit culture and historic preservation overlays. The same written-price discipline and documented photo record apply in every city.
Serving Concord, CA - Our Local Coverage Area
We’re based in the Concord 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 Concord

Yes, and yes. Concord requires permits for any plumbing fixture relocation, electrical circuit changes, or structural modifications. We pull the permit, schedule inspections, and include permit fees in the written quote. Most Concord bathroom remodels need two to three inspections: rough plumbing/electrical, insulation (if exterior walls are opened), and final. Call (628) 300-4376 and we’ll confirm exactly what your scope triggers.
Sometimes, if the existing drain location works for the new shower configuration and the line is sound. We determine this with a drain camera inspection included in our standard scoping. If the cast iron is cracked or the slope is wrong, we cut the slab, replace the drain, and include that work in the written price before you sign. No surprise jackhammering mid-project. Call (628) 300-4376 to schedule your free estimate.
If your property sits in the Alquist-Priolo Earthquake Fault Zone - generally eastern Concord near Ygnacio Valley Road and beyond - substantial remodels or additions require a fault-zone report and engineered foundation details. Standard fixture replacement within existing walls usually doesn’t trigger this. We check parcel maps during scoping and pull reports before permit submission, adding weeks to the front end rather than getting rejected at plan check. Call (628) 300-4376 and we’ll verify your parcel’s status.
We regularly install Kohler and Toto fixtures, KraftMaid and Wellborn vanities, and Cambria and Caesarstone countertops. Our sourcing depth across fifty-plus vetted brands means the written quote reflects actual material costs, not inflated allowances. We stock common service parts locally for Concord customers. Call (628) 300-4376 to see current samples and get your written price.
Concord’s 100°F summers make attic ventilation and proper exhaust fan sizing genuine performance issues, not paperwork. We specify fans rated for the calculated cubic feet per minute your bathroom requires, run ducting to exterior termination points, and verify Title 24 compliance in the permit set. A fan dumping into an unvented attic will fail inspection and breed mold. Our photo record documents every vent run so you have evidence of proper installation. Call (628) 300-4376 for a free estimate.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Concord since 2007.







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