California Property Tax Calculator (Prop 13 Estimator)
Updated for 2026. Fast, accurate, and optimized for Proposition 13 rules.
Property Tax Calculator
Disclaimer: Estimates are based on average California property tax rates and may vary by county and local tax districts.
Average Property Tax Rates in California
While Proposition 13 caps the base property tax rate at 1%, most homeowners pay slightly more due to local voter-approved bonds and assessments.
Across California, the effective property tax rate typically ranges between 1.1% and 1.25%. You can estimate the exact tax amount using our California Income Tax Calculator.
When Are Property Taxes Due in California?
Property taxes in California are typically paid in two installments each year. The first installment is due on November 1 and becomes delinquent after December 10. The second installment is due on February 1 and becomes delinquent after April 10.
Effective Property Tax Rates by County
| County | Avg Rate |
|---|---|
| Los Angeles | 1.25% |
| Orange County | 1.05% |
| San Diego | 1.21% |
California Property Tax FAQ
What is the property tax rate in California?
The base property tax rate in California is 1% of the assessed value under Proposition 13. Local voter-approved bonds can increase the effective rate slightly.
How often do property taxes increase?
Under Prop 13, assessed values can increase by up to 2% per year unless the property changes ownership.