San Francisco County vs Alameda County home carrying costs
San Francisco vs Alameda County carrying costs at the same home price, loan assumptions, and data vintage.
The short answer at $500,000
San Francisco County has about $354/yr less modeled property tax plus insurance.
That is a budgeting comparison—not a promise about a specific parcel, policy, or loan.
Side-by-side estimate
| Cost | San Francisco County | Alameda County |
|---|---|---|
| Effective property-tax rate | 0.7072% | 0.7774% |
| Annual property tax | $3,536 | $3,887 |
| Annual insurance budget | $2,165 | $2,168 |
| FEMA risk percentile | 99.52 | 99.78 |
| Illustrative monthly PITI | $3,003 | $3,033 |
Compare another home price
Source, method & confidence
Confidence: Medium for property tax; Low for insurance. County tax rates are ACS-derived and insurance starts from a lagged NAIC state average with FEMA county risk context.
Tax data as of 2024-12-31; insurance baseline as of 2022-12-31.
Sources: U.S. Census Bureau ACS 5-year tables B25103 and B25077; NAIC Homeowners Insurance Report; FEMA National Risk Index.
Assumes 20% down, 6.5% interest, and a 30-year mortgage. The rate is an assumption, not a live offer.
Read the complete comparison methodology
Planning disclaimer: Estimates for budgeting only — not a tax bill, not an insurance quote, not legal or tax advice. Verify with the county assessor and a licensed professional before making financial decisions.