Property Taxes in California
California's property taxes are governed by Proposition 13 -- a real, foundational, and distinctive mechanic that produces a genuinely low statewide blended average alongside a meaningfully higher real rate for anyone buying today, and this record does not let one number stand in for the other.
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Learn moreThe Prop 13 mechanic, precisely
Since 1978, a California property's assessed value is set at its purchase price and can rise at most ~2%/year (or the state CPI, whichever is lower) until the property next changes hands, regardless of actual market appreciation. The base statutory rate is 1% of assessed value, plus roughly 0.1%-0.55% in local voter-approved bonds and special assessments -- producing a real nominal rate of roughly 1.10%-1.55% on a fresh purchase.
Why the statewide average looks so low
California's statewide blended effective property tax rate on current market value runs a genuinely low ~0.71% (Tax Foundation), below the national average -- but this figure averages in every California owner, including decades-long owners whose assessed values never caught up to today's market prices. A household that bought in 1995 may pay an effective rate under 0.3% of the home's current value; a household buying the identical home today pays close to the full 1.10%-1.55% nominal range.
What this means if you're buying
Do not budget against the ~0.71% statewide average -- budget against the real 1.10%-1.55% nominal range that applies to a fresh purchase, and confirm the specific local rate (base plus any county/district bonds) with your target county's assessor. This is genuinely the single most important California property-tax fact for a prospective buyer.
What this means if you're staying long-term
The flip side of Prop 13 is a real, genuine long-term benefit: once you buy, your assessed value (and therefore your property tax bill, aside from local bond measures) grows slowly and predictably regardless of how much your home's market value appreciates -- a meaningful, disclosed advantage for long-term California homeowners specifically, distinct from the higher cost a fresh buyer faces.
Key takeaways
- Proposition 13 caps assessed value at purchase price, rising at most ~2%/year until resale -- the base rate is 1% plus ~0.1%-0.55% in local add-ons (roughly 1.10%-1.55% nominal on a fresh purchase).
- California's ~0.71% statewide blended average effective rate is real but reflects decades-long owners' capped assessments -- it is NOT what a new buyer pays.
- Budget against the real 1.10%-1.55% nominal range if you are buying, and confirm your target county's specific local add-on rate with the assessor.
- Long-term owners get a real, genuine benefit: predictable, slowly-growing tax bills regardless of market appreciation -- the tradeoff runs the opposite direction for a fresh buyer.
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