Atherton, CA
Homes in 94027: what they're like and what they need
Quick answer
Half of the 2,676 homes in 94027 (Atherton) were built before 1960, and 61% before 1980. Gas heats 80% of them, and owners live in 88%. Homes like these usually need a heat pump in place of the gas furnace, a panel check before adding an EV charger or heat pump, and lead-safe painting and remodeling.
Updated November 2026 · Sources: US Census ACS 2020-2024
A plain-English report on the 2,676 homes in ZIP 94027, from public Census and city data, with the repairs and upgrades homes like these usually need.
1960
Typical home built
61%
Built before 1980
80%
Heat with gas
88%
Owner-occupied
What homes in 94027 usually need
Gas furnace to heat pump
80% of homes in 94027 heat with gas. A heat pump replaces the furnace and adds AC, and local utility rebates often cover a large share.
Electrical panel check before an EV charger or heat pump
61% 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 61% of homes here are older than 1978. Painters and remodelers working on them must follow EPA lead-safe rules (RRP certification).
Earthquake bolting and bracing
Houses built before 1980 on raised foundations are the ones California's Earthquake Brace + Bolt program offers grants for. Check whether your home qualifies.
Older pipes and sewer lines
50% of homes here are from the 1950s or earlier, when galvanized supply pipes and clay or cast-iron sewer lines were common. A camera inspection of the sewer line is cheap insurance.
Roof and gutters before the rains
Half the homes here were built before 1961. 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.
When homes in 94027 were built
97% are detached houses. 18% heat with electricity. Median owner-reported value: $2,000,000+.
Rebates for 94027 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 Atherton
Which projects need a permit, how long it takes and where to apply.
Atherton permit checkerPros serving Atherton
- Plumbers in Atherton
- Heating & AC Contractors in Atherton
- Electricians in Atherton
- Handyman Services in Atherton
- Roofers in Atherton
- Pest Control Companies in Atherton
- Painters in Atherton
- Landscapers & Tree Services in Atherton
- General Contractors in Atherton
- Solar Installers in Atherton
Need something done in 94027?
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Get a proQuestions about homes in 94027
- How old are the homes in 94027?
- Half of the 2,676 homes in 94027 (Atherton) were built before 1960, so the typical home is about 66 years old. 61% were built before 1980 and 27% since 2000.
- How do homes in 94027 heat?
- 80% heat with gas and 18% with electricity. Gas-heated homes are the ones heat pump rebates are aimed at.
- Are most homes in 94027 owned or rented?
- 88% are lived in by their owners and 12% are rented. 97% are detached single-family houses.
- What is the median home value in 94027?
- The Census estimate of the median owner-reported home value in 94027 is $2,000,000+ (2020-2024 average).
For local pros: trades that fit 94027
Compared with the other 162 ZIPs SVHN serves, homes here are among the best fits for:
- Solar #1
- Plumbing #1
- Pressure Washing #1
- Gutters #2
- Landscaping & Trees #2
- General Contractors #2
- Pools & Spas #2
- Chimney & Fireplace #2
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 94027 (estimates, via Census Reporter). "What homes usually need" is general guidance based on home age and heating type, not an inspection of any home.
