Property tax · ZIP 94131
Property tax in San Francisco (Twin Peaks), CA
ZIP 94131 (California) — property tax summary sourced from County assessors. Data lands this week as the County assessors ingestion pipeline rolls out.
Last verified 2026-04-24 · methodology
What lands here
Pages show the county millage rate, assessment methodology, homestead and senior exemptions, and a link to the assessor's portal for address-specific searches.
Source & refresh
County assessors. Refreshed annual reassessment per county. Stale data is flagged, never silently served. Primary source →
Limitations specific to this source
Top-50 metros covered at launch (~35% of US population). Smaller counties link directly to the assessor portal with a 'data coming soon' note.
California context
Wildfire (WUI), seismic, water-supply variability
California carries the highest concentrated WUI wildfire risk in the US per USFS WHP, with FAIR Plan + non-renewal pressure intensifying since 2017 fires. FEMA NFHL coverage is strong; drinking-water systems vary from large urban (LADWP, EBMUD) to small disadvantaged community systems flagged in EPA SDWIS. Radon risk is mostly Zone 2-3.
See California state page for the full state-level rollup across all 12 dimensions.
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Plain-English guide to property tax millage rates, assessment ratios, and homestead exemptions. How county assessors compute your annual property tax bill.
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How school district boundaries work, where to find them, and why the same street can split between two districts.
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Plain-English guide to county deed records: what gets filed, how to look up a property's history, and why zipradar aggregates only counts (never owner names).
Full dashboard for ZIP 94131
Property tax is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 94131:
Open San Francisco (Twin Peaks), CA dashboard →