Water damage repair and restoration in Sunnyvale, CA
Most water damage calls in Sunnyvale, CA come down to plumbing failures, roof leaks and storm water. Sunnyvale has 61,808 homes with a median build year of 1975: 23% predate 1960 and 19% were built since 2000, so plumbing ranges from original copper and galvanized lines to newer PEX. Restoration companies in our network serve 5 Sunnyvale ZIP codes in Santa Clara County.
Quick answer
For water, fire or smoke damage in Sunnyvale, 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; 5 Sunnyvale ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
Census data
Sunnyvale homes by the numbers
- Homes
- 61,808
- Median year built
- 1975
- Built before 1960
- 23%
- Owner-occupied
- 44%
Among the 213 California cities with pages on this site, Sunnyvale ranks #22 by number of homes and has older housing than 54% of them (median build year 1975). Its share of pre-1960 homes (23%) is close to the 24% average for those cities.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates (tables B25034, B25035, B25003); 156,792 residents per the 2024 population estimate.
Local risks
What causes water damage in Sunnyvale
Pipes from every era
With a median build year of 1975, Sunnyvale has everything from galvanized and copper lines to PEX. Older homes see pipe and drain failures; newer ones see more appliance and fitting leaks.
Leaks between units
About 56% of occupied homes in Sunnyvale are rented, and many are apartments or condos. A leak in one unit often reaches the units below, so landlords, associations and each tenant's insurer are involved.
Atmospheric rivers
Winter storms bring heavy rain, roof leaks and flooding.
Seasonal risks, licensing and FEMA history across the state are on the California page.
Common calls
Most requested in Sunnyvale
Disaster history in Santa Clara County
Since 2000, FEMA has included Santa Clara County in 5 major disaster declarations: 2 severe storms, 2 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
Sunnyvale water damage questions
Who do I call for water damage in Sunnyvale?
For water, fire or smoke damage in Sunnyvale, 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; 5 Sunnyvale ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
How old are homes in Sunnyvale?
The median home in Sunnyvale was built in 1975. About 23% of its 61,808 homes were built before 1960 and 19% 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 Santa Clara County had federally declared disasters?
Yes. Since 2000, FEMA has included Santa Clara County in 5 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 Sunnyvale?
Restoration companies in our network cover 5 Sunnyvale 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 Sunnyvale
94085, 94086, 94087, 94088, 94089
Water damage help near Sunnyvale
- Water damage restoration in Mountain View, CA3 mi
- Water damage restoration in Santa Clara, CA4 mi
- Water damage restoration in Cupertino, CA5 mi
- Water damage restoration in Palo Alto, CA6 mi
- Water damage restoration in Milpitas, CA8 mi
- Water damage restoration in Campbell, CA8 mi
- Water damage restoration in Newark, CA8 mi
- Water damage restoration in Fremont, CA9 mi
Also covered in Santa Clara County: Alviso · Coyote · San Jose · Santa Clara · Gilroy · Mountain View · Milpitas · Palo Alto · Cupertino · Morgan Hill · Campbell · Los Gatos · Los Altos · Saratoga · Stanford · San Martin · Lexington Hills
Guides for Sunnyvale homeowners
Water damage in Sunnyvale?
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