Bathroom Remodel Cost in Alamo, CA — 2026 Guide

Large walk in shower with black freestanding tub and marble accent wall

Alamo homes we work on — often in Round Hill Country Club, Alamo Oaks, and Westside Alamo — tend to be sprawling estates on large, flat lots, and more than a few have private wells that require some creative design workarounds during plumbing planning. Here’s a grounded 2026 cost breakdown for a bathroom remodel.

How Much Does a Bathroom Remodel Cost in Alamo?

Here’s a quick pricing table by bathroom type:

  • Powder Room $20-$35k

  • Hall Bathroom $65-85k

  • Primary Bathroom $82-117k

What Does A Bathroom Remodel Cost Include?

  • Design

  • Architecture/Engineering

  • Permits

  • Finish Materials

  • Construction Labor & Materials

  • Project Management


Powder Bathroom

(Vanity & Toilet, Mid-Level designer Finishes)

  • Vanity $3,000 – $6,000 (prefab vs. custom)

  • Plumbing Fixtures $1,000 – $2,000 (faucet, toilet, accessories)

  • Tile $1,000 – $3,000 (floor tile)

  • Mirrors $500 – $1,000

  • Lighting $500 – $1,000

  • Accents $1,000 - $3,000 (wallpaper, paneling)

  • Design $3,000

  • Labor & Construction Materials $10,000 – $15,000

Typical All-In Cost $20,000 – $35,000

Powder bathroom with floral wallpaper and brown oak vanity

Hall Bathroom

(Double Sink, Mid-Level designer Finishes)

  • Vanity $4,000 – $6,000 (prefab vs. custom)

  • Plumbing Fixtures $4,000 – $7,000 (faucets, shower system, tub, toilet, accessories)

  • Tile $3,000 – $5,000 (floor & shower tile)

  • Mirrors $1,000 – $4,000 (wall mirrors vs. medicine cabinets)

  • Lighting $1,000 – $2,000

  • Glass Door $3,000 (custom glass shower door)

  • Bathroom Window $1,000 (replacing an existing window)

  • Permit Plans, Design & Project Management $10,000*

  • Permits $3,000

  • Labor & Construction Materials $35,000 – $45,000

Typical All-In Cost $65,000 – $85,000

Hall bathroom with metal vanity, pattern tile, walk in shower

Primary Bathroom

(Double Sink, Mid-Level designer Finishes)

  • Vanity $6,000 – $12,000 (prefab vs. custom)

  • Plumbing Fixtures $7,000 – $10,000 (faucets, shower system, tub, toilet, accessories)

  • Tile $3,000 – $5,000 (floor & shower tile)

  • Mirrors $1,000 – $4,000 (wall mirrors vs. medicine cabinets)

  • Lighting $1,000 – $2,000

  • Glass Door $3,000 (custom glass shower door)

  • Bathroom Window $1,000 (replacing an existing window)

  • Permit Plans, Design & Project Management $12,000*

  • Permits $3,500

  • Labor & Construction Materials $45,000 – $65,000

Typical All-In Cost $82,000 – $117,000

In Alamo’s larger estate homes, primary bathrooms can push toward the upper end of this range — particularly when a well or septic system affects fixture placement or water pressure.

See our Alamo bathroom remodel for an example of a fully reconfigured primary bathroom in Alamo.

large bathroom with walk in shower and built-in tub

Want to see what these projects look like?

Explore our bathroom remodels to see examples of the bathrooms we've designed throughout Lamorinda and the East Bay.

Permitting & Local Notes for Alamo

Alamo is unincorporated, so there’s no separate city planning office. The Contra Costa County Department of Conservation and Development handles zoning review and building permits for Alamo properties. For homes with private wells or septic systems, certain changes to plumbing, fixtures, or the bathroom layout may also involve additional review. We identify any property-specific requirements early in the design process so they can be accounted for in the project schedule.

Does having a well or septic system affect my bathroom remodel timeline in Alamo?

It can. If your remodel involves changes that require additional review for a well or septic system, that review needs to be coordinated alongside the county permitting process. We look at those requirements early so there are no surprises once the project is underway.

Why Alamo Homeowners Work With Us

Estate-scale homes and well-fed properties both come with plumbing considerations most designers don’t think to ask about until it’s too late. We loop in our architect and engineer from the start, so if your property’s water system needs to inform the design, it does — before you’re mid-construction and stuck.

ready to design a bathroom that finally works for the way you live?