San Diego County, CA property tax
Tax year 2025 · updated 2026-09-20 · Source: Census ACS 2023 5-year, SD County Assessor
The median effective property tax rate in San Diego County is 0.69%, below the California median of 0.71% and below the national median of 0.99%. The median homeowner pays $5,230 a year. Bills are november 1 and February 1; delinquent December 10 and April 10.
- Effective rate
- 0.69%
- Median annual bill
- $5,230
- Median home value
- $760,000
- Appeal deadline
- July 2 to November 30
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $1,380 | $115 |
| $300,000 | $2,070 | $172 |
| $400,000 | $2,760 | $230 |
| $500,000 | $3,450 | $288 |
| $750,000 | $5,175 | $431 |
| $1,000,000 | $6,900 | $575 |
Exemptions in San Diego County
| Exemption | What it does |
|---|---|
| Homeowners' exemption | $7,000 off assessed value. |
California statewide: $7,000 homeowners' exemption from assessed value, worth about $70 per year. Proposition 19 allows transfers of the assessed value base for owners 55+.
Due dates and payment
November 1 and February 1; delinquent December 10 and April 10.
Appealing your assessment
July 2 to November 30. Appeals are filed with the San Diego County Assessor. Bring recent sales of comparable homes, photos of condition issues, and any error in the record (square footage, lot size, features). July 2 to September 15 or November 30 depending on the county.
How California assesses value
Purchase price at acquisition, growing at most 2% per year (Proposition 13); base rate 1% plus voter-approved local levies.
Sources: Census ACS 2023 5-year, SD County Assessor; California BOE, Census ACS 2023 5-year.
Frequently asked questions
What is the property tax rate in San Diego County, CA?
The median effective rate in San Diego County is 0.69% of home value, below the California median of 0.71%. The median bill is $5,230 on a median home value of $760,000.
When are San Diego County property taxes due?
November 1 and February 1; delinquent December 10 and April 10. Bills are issued by the county tax office; assessments come from the San Diego County Assessor.
How much is property tax on a $400,000 house in San Diego County?
About $2,760 per year at the median effective rate of 0.69%, before exemptions. Your exact bill depends on the city, school district and special districts that serve the parcel.
What is the deadline to appeal a San Diego County assessment?
July 2 to November 30. File with the San Diego County Assessor; see the appeals section above for what to bring.