Bathroom Remodeling in Hillsborough, CA
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Bathrooms in Hillsborough Estates
Hillsborough incorporated in 1910 as a residential town with no commercial zoning, and its homes include early-1900s estates and later houses on half-acre-plus lots. Bathroom remodels are often full primary suites. Interior work needs no design review, and small kitchen or bath projects can be permitted with scaled, signed plans showing existing and new work.
1600 Floribunda Avenue, Hillsborough, CA 94010 · Town Hall (650) 375-7400
Building (650) 375-7411, pl*******@**********gh.net · Planning (650) 375-7422 (planners by appointment) · Engineering (650) 375-7444
Applications are electronic through eTRAKiT, and contractors register with their CSLB license. Inspections are requested by phone at (650) 375-7411 at least two to three days ahead; inspectors will not inspect work by subcontractors who are not on the subcontractor list or lack a Town business license. Hours vary, so call ahead.
Bathroom Projects
Watch the Sprinkler Threshold
Fire sprinklers: required in all new homes, and in existing homes over 2,000 sq ft (or over two stories) when added or altered area exceeds 1,500 sq ft, or 20% for homes over 7,500 sq ft, counted over 2 years. A room counts as altered when half or more of its wall or ceiling finishes are replaced. Central County Fire, 1399 Rollins Road, Burlingame, issues sprinkler permits.
Construction rules: work hours are 8 a.m. to 5 p.m. weekdays and 10 a.m. to 5 p.m. Saturdays, with no noisy work on Sundays or Town holidays. The construction impacts ordinance covers on-site parking, screening, neighbor notice and completion time limits, and larger projects need a pre-construction meeting and a qualified superintendent.
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Other Hillsborough services: ADUs · Kitchens · Additions · New Homes · Hillsborough overview
Same service nearby: Burlingame · San Mateo · Belmont
Hillsborough Bathroom Remodeling FAQ
Does an interior bathroom remodel need ADRB review?
No. Design review applies to exterior changes.
Could a large remodel trigger sprinklers?
Yes, in homes over 2,000 sq ft when altered area exceeds 1,500 sq ft over 2 years.
How are inspections scheduled?
By phone at (650) 375-7411, two to three days ahead.
How long does a bathroom remodel take?
A few weeks of construction after materials arrive.