Why California Property Taxes Are Unusual
California has a property tax paradox: the state has one of the highest home values in the nation, but a relatively modest effective tax rate of around 0.73%. This is largely due to Proposition 13, passed in 1978, which fundamentally changed how California assesses property taxes.
Proposition 13: The Basics
Prop 13 does two key things:
- Caps the tax rate at 1% of assessed value (plus local bonds and assessments, which typically add 0.2–0.5%)
- Limits annual assessment increases to a maximum of 2% per year (or the rate of inflation, whichever is lower)
The assessed value is reset to the market value only when the property is sold or newly constructed. This means long-term owners can pay taxes on a value that is far below current market value.
The Neighbor Effect: Same House, Very Different Bills
The result of Prop 13 is dramatic inequity between neighbors:
Example in the Bay Area:
- Neighbor A bought in 1985 for $150,000. Current assessed value: ~$240,000 (after 2%/year increases). Tax bill: ~$2,700/year
- Neighbor B bought in 2022 for $1,500,000. Assessed value: $1,500,000. Tax bill: ~$16,500/year
Same neighborhood, same house size — but one pays 6x more in property taxes.
Proposition 19 (2020): What Changed
Proposition 19, passed in November 2020 and effective February 2021, made significant changes to Prop 13's transfer rules:
What Prop 19 Expanded
- Homeowners 55+, severely disabled, or natural disaster victims can transfer their Prop 13 base year value to a new home anywhere in California (previously limited to same or lower-value property in the same county)
- Available up to three times in a lifetime
What Prop 19 Restricted
- Eliminated the parent-to-child transfer exclusion for most properties
- Previously, children could inherit a property without a reassessment — even if they didn't live in it
- Now, the inherited property is reassessed unless the child makes it their primary residence within one year (and the value benefit is capped)
California Property Tax Exemptions
Homeowner's Exemption
A modest $7,000 reduction in assessed value for primary residences. Saves approximately $70–$100/year. Must be applied for after purchase — it's not automatic.
Disabled Veterans Exemption
- Basic exemption: $161,083 in assessed value (2024)
- Low-income exemption: $241,627 in assessed value (2024)
- Must be honorably discharged with at least 40% disability
Senior Citizens Property Tax Postponement
Seniors 62+ with income under $53,574 can defer their property taxes until the home is sold. The state pays your taxes and places a lien at 7% annual interest. Apply through the State Controller's Office.
Supplemental Property Tax Bill
When you buy a California home, you'll receive a supplemental tax bill within a few months of closing. This covers the difference between the previous owner's assessed value and your new purchase price, prorated for the remainder of the tax year.
This bill catches many new buyers off guard — it's in addition to your regular annual bill. Budget for it in advance.
How to Reduce Your California Property Tax
- Apply for the homeowner's exemption — file with your county assessor within 30 days of purchase
- Appeal if your purchase price doesn't reflect market value — if you paid above market value or the property has issues, you can appeal. California allows appeals for errors in assessment, declining market value, or calamity damage.
- Take advantage of Prop 19 portability — if you're 55+ and plan to move, transferring your low base year value can save substantial taxes on your next home
- Check disaster relief — after a calamity (fire, earthquake, flood), you can apply for a temporary assessment reduction
Understanding Your California Property Tax Bill
Your California property tax bill has two components:
- 1% base rate: The core Prop 13 rate on your assessed value
- Direct charges and voter-approved bonds: These can add 0.2–0.8% in many Bay Area and LA area counties
Your total effective rate in California typically falls between 1.0–1.3% of assessed value. Effective rate on market value is much lower due to Prop 13 assessment limits on long-term owners.