Bathroom Remodeling in Alamo, CA
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Bathrooms for Alamo's Larger Homes
Alamo is an owner-occupied community of larger lots, more than 90% of its homes are owner-occupied, set between Las Trampas Ridge and Mount Diablo. Many Alamo bathroom projects are primary-suite remodels: steam showers, soaking tubs, heated floors, double vanities and dressing areas, plus guest and pool baths.
Bathroom Projects
How Bathroom Permits Work in Alamo
There is no Alamo building department. Bathroom remodels that change plumbing, wiring or walls are permitted by Contra Costa County through ePermits and inspected by the County Building Inspection Division. Remodels that need a permit must also divert 65% of construction waste under County rules.
Department of Conservation and Development, Application and Permit Center
30 Muir Road, Martinez, CA 94553 · (925) 655-2700
Monday to Thursday 7:30 a.m. to 5 p.m., Friday 7:30 a.m. to 4 p.m. Applications are filed online through the County ePermits Center; plan review is fully electronic.
County inspections: request through ePermits or the automated line at (925) 646-4108. Phone requests for same-day inspections are accepted until 5:30 a.m., Monday through Friday. The permit and stamped plans must be on site, with an adult present.
Code Items
- GFCI bathroom circuits and a code-compliant exhaust fan.
- Safety glazing near tubs and showers.
- Water-conserving fixtures on permitted work in older homes.
- Smoke and CO alarms to current code.
- On septic properties, added fixtures can require Environmental Health review.
Explore More
Other Alamo services: ADUs · Kitchens · Additions · New Homes · Alamo overview
Same service nearby: Danville · Walnut Creek · Lafayette
See our bathroom remodeling page.
Alamo Bathroom Remodeling FAQ
Who issues bathroom permits in Alamo?
Contra Costa County, since Alamo is unincorporated.
Is there a construction waste requirement?
Yes. County permits for remodels require diverting 65% of construction waste.
How do I schedule an inspection?
Through ePermits or the County line at (925) 646-4108.
Does a septic system affect a bathroom remodel?
Adding fixtures on a septic property can require Environmental Health review.