Water damage restoration in South San Francisco, CA
Water damage in South San Francisco, CA usually starts in one of a few places: a failed supply line or water heater, a roof or window leak, or water that gets into a basement or crawl space. 45% of South San Francisco's 23,194 homes were built before 1960, so galvanized pipe, cast-iron drains, plaster walls and older foundations are common. Restoration companies in our network serve 2 South San Francisco ZIP codes in San Mateo County.
- Fast callback on emergency requests
- San Mateo County · 2 ZIP codes
Quick answer
For water, fire or smoke damage in South San Francisco, CA, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 2 South San Francisco ZIP codes are covered. With many older homes here, hidden pipe and drain leaks are common, so ask for a moisture check behind walls.
Local risks
What causes water damage in South San Francisco
Original plumbing in older homes
45% of South San Francisco's housing predates 1960. Pipes that old narrow with rust, joints weaken and drain lines crack, so a small drip behind plaster or under a floor can go unnoticed until stains or soft spots appear.
Atmospheric rivers
Winter storms bring heavy rain, roof leaks and flooding.
Slab leaks
Leaks in pipes under the slab go unnoticed.
Seasonal risks, licensing and FEMA history across the state are on the California page.
Common calls
Most requested in South San Francisco
Census data
South San Francisco homes by the numbers
- Homes
- 23,194
- Median year built
- 1963
- Built before 1960
- 45%
- Owner-occupied
- 61%
Among the 213 California cities with pages on this site, South San Francisco ranks #134 by number of homes and has older housing than 86% of them (median build year 1963). Its share of pre-1960 homes (45%) is well above the 24% average for those cities, which points to more pipe, drain and foundation leaks.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates (tables B25034, B25035, B25003); 64,660 residents per the 2024 population estimate.
Disaster history in San Mateo County
Since 2000, FEMA has included San Mateo County in 7 major disaster declarations: 3 severe storms, 3 floods, 1 fire. The most recent was Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides in 2023 (DR-4699).
Source: OpenFEMA disaster declarations, retrieved October 5, 2026.
FAQ
South San Francisco water damage questions
Who do I call for water damage in South San Francisco?
For water, fire or smoke damage in South San Francisco, CA, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 2 South San Francisco ZIP codes are covered. With many older homes here, hidden pipe and drain leaks are common, so ask for a moisture check behind walls.
How old are homes in South San Francisco?
The median home in South San Francisco was built in 1963. About 45% of its 23,194 homes were built before 1960 and 13% in 2000 or later, according to the Census Bureau's American Community Survey. Older homes are more likely to have corroded pipes and drains; newer homes see more appliance and supply-line leaks.
Has San Mateo County had federally declared disasters?
Yes. Since 2000, FEMA has included San Mateo County in 7 major disaster declarations for storms, floods, fires and similar events, most recently Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides (2023). Federal assistance is only available for declared events; most water damage is handled through homeowners or flood insurance.
Do you cover all of South San Francisco?
Restoration companies in our network cover 2 South San Francisco ZIP codes. Coverage is set ZIP by ZIP, so enter yours in the ZIP checker or call to confirm a company serves your address.
ZIP codes covered in South San Francisco
94080, 94083
Water damage help near South San Francisco
- Water damage restoration in San Bruno, CA4 mi
- Water damage restoration in Burlingame, CA5 mi
- Water damage restoration in Pacifica, CA6 mi
- Water damage restoration in San Mateo, CA7 mi
- Water damage restoration in Alameda, CA9 mi
- Water damage restoration in Oakland, CA11 mi
- Water damage restoration in San Leandro, CA12 mi
- Water damage restoration in Hayward, CA15 mi
Also covered in San Mateo County: San Mateo · Daly City · Redwood City · San Bruno · Pacifica · Menlo Park · Burlingame · San Carlos · Belmont · Millbrae · Half Moon Bay · Atherton · El Granada · Brisbane · Portola Valley · Emerald Lake Hills · Montara · Moss Beach
Guides for South San Francisco homeowners
Water damage in South San Francisco?
Stop the source if you can, then call. We'll connect you with a local restoration company that serves your ZIP.
Fast callback on emergency requests