What happens to property tax when you buy in San Francisco County, California?

Why your bill can jump at purchase

California uses an acquisition-value basis (California Proposition 13 (BOE)): your assessed value is set at purchase and grows under an annual cap of 2%.

Current owners here pay a typical bill of about $9,862/yr (on the $1,394,500 county-median home).

Estimated bill by your purchase price

Purchase priceEstimated annual taxvs typical bill
$1,394,500$9,862/yr+$0/yr
$1,743,125$12,327/yr+$2,465/yr
$2,091,750$14,793/yr+$4,931/yr

Effective rate: 0.7072% · Tier 1 · Confidence: Medium. Reassessment toward the sale price modeled from the jurisdiction's assessment basis.

Source, method & confidence

Data as of 2024-12-31 (data version 2024.1).

Sources: U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25103; U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25077; California State Board of Equalization, Proposition 13.

How we model reassessment (methodology) · San Francisco County property tax overview