San Francisco, CA
Home repair help in San Francisco. Each trade has its own line.
Pick the closest match. Each page covers what that kind of job usually involves, what to do before anyone arrives, and the California and San Francisco rules worth knowing.
Local picture
What matters in San Francisco.
Weather and risk
Downtown San Francisco reached 106°F during the 2017 heat event, breaking its all-time record. Distant wildfires can fill Bay Area homes with smoke, and the 1991 Tunnel Fire in the Oakland Hills destroyed 3,469 homes.
The housing
In the American Community Survey, 186,855 housing units in San Francisco (45.4%) were built in 1939 or earlier.
Licenses and permits
California contractors are licensed by the Contractors State License Board (CSLB): C-36 for plumbing, C-10 for electrical, C-20 for heating and air conditioning, and C-39 for roofing. San Francisco generally issues plumbing, mechanical and electrical permits only to contractors holding set license classes.
- National Weather Service San Francisco Bay Area - Heat Event, August 31 to September 4, 2017
- Bay Area Air Quality Management District - Winter Spare the Air Alert extended (Nov 12, 2018)
- City of Oakland - Wildfire District Inspections
- US Census Bureau - ACS 5-Year DP04 Selected Housing Characteristics, San Francisco city, California (2023)
- CSLB - C-36 Plumbing Contractor
- CSLB - C-10 Electrical Contractor
- CSLB - C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- CSLB - C-39 Roofing Contractor
- City and County of San Francisco (SF.gov) - Apply for a plumbing and mechanical permit
- City and County of San Francisco (SF.gov) - Apply for an electrical permit
Being straight with you
What we are, and what we are not.
This site is a free service to assist homeowners in connecting with local service contractors. All contractors are independent and this site does not warrant or guarantee any work performed. It is the responsibility of the homeowner to verify that the hired contractor furnishes the necessary license and insurance required for the work being performed. All persons depicted in a photo or video are actors or models and not contractors listed on this site.