Foster City, CA
Homes in 94404: what they're like and what they need
Quick answer
Half of the 15,350 homes in 94404 (Foster City) were built before 1976, and 64% before 1980. Gas heats 53% of them, and owners live in 51%. Homes like these usually need a panel check before adding an EV charger or heat pump, lead-safe painting and remodeling, and a heat pump in place of the gas furnace.
Updated November 2026 · Sources: US Census ACS 2020-2024
A plain-English report on the 15,350 homes in ZIP 94404, from public Census and city data, with the repairs and upgrades homes like these usually need.
1976
Typical home built
64%
Built before 1980
53%
Heat with gas
51%
Owner-occupied
What homes in 94404 usually need
Electrical panel check before an EV charger or heat pump
64% of homes here were built before 1980, when panels were often sized for much less load. Check yours before adding big electric items.
Lead-safe painting and remodeling
About 56% of homes here are older than 1978. Painters and remodelers working on them must follow EPA lead-safe rules (RRP certification).
Gas furnace to heat pump
53% of homes in 94404 heat with gas. A heat pump replaces the furnace and adds AC, and local utility rebates often cover a large share.
Roof and gutters before the rains
Half the homes here were built before 1977. Most roofs last 20-30 years, so many are on their second or third. Clean gutters and a roof check before winter storms prevent most leaks.
Water heater check
Most tank water heaters last 8-12 years. Rust at the base, rumbling or lukewarm water are the usual signs it's near the end.
When homes in 94404 were built
31% are detached houses. 44% heat with electricity. Median owner-reported value: $1,714,400.
Rebates for 94404 homes
- WestLight Energy rebates (WestLight Energy (San Mateo County electricity provider, formerly Peninsula Clean Energy))
- BayREN home energy programs (Bay Area Regional Energy Network (9 Bay Area counties))
- Switch Is On incentive finder (Statewide (California))
Permits in Foster City
Which projects need a permit, how long it takes and where to apply.
Foster City permit checkerPros serving Foster City
- Plumbers in Foster City
- Heating & AC Contractors in Foster City
- Electricians in Foster City
- Handyman Services in Foster City
- Roofers in Foster City
- Pest Control Companies in Foster City
- Painters in Foster City
- Landscapers & Tree Services in Foster City
- General Contractors in Foster City
- Solar Installers in Foster City
Need something done in 94404?
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Get a proQuestions about homes in 94404
- How old are the homes in 94404?
- Half of the 15,350 homes in 94404 (Foster City) were built before 1976, so the typical home is about 50 years old. 64% were built before 1980 and 12% since 2000.
- How do homes in 94404 heat?
- 53% heat with gas and 44% with electricity. Gas-heated homes are the ones heat pump rebates are aimed at.
- Are most homes in 94404 owned or rented?
- 51% are lived in by their owners and 49% are rented. 31% are detached single-family houses.
- What is the median home value in 94404?
- The Census estimate of the median owner-reported home value in 94404 is $1,714,400 (2020-2024 average).
For local pros: trades that fit 94404
Compared with the other 162 ZIPs SVHN serves, homes here are among the best fits for:
- Property Management #24
- Remodeling #39
Run a home-service business? SVHN's free Market Finder ranks every ZIP for your trade
Housing figures: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates for ZIP code tabulation area 94404 (estimates, via Census Reporter). "What homes usually need" is general guidance based on home age and heating type, not an inspection of any home.