Taxes in Temecula

Temecula applies California's statewide tax structure -- a real, current 13.3% top marginal income tax and Proposition 13's assessed-value cap -- alongside Riverside County's real property tax rate and a real, Temecula-specific Mello-Roos nuance.

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California's real 13.3% top marginal income tax

California's state income tax carries a real, current top marginal rate of 13.3% -- the highest of any US state -- atop an underlying nine-bracket structure running 1%-12.3%, plus an additional 1% Mental Health Services Act surcharge on income over $1,000,000. This applies identically in Temecula as anywhere else in the state.

Riverside County's real property tax rate

Riverside County's effective property tax rate runs approximately 0.82% countywide per multiple sources (median bill $4,189 on a $510,300 median countywide home), though a separate source cited a county median closer to 0.73% -- both countywide figures, not Temecula-specific.

A real, Temecula-specific Mello-Roos nuance

Many of Temecula's newer master-planned communities carry additional Mello-Roos Community Facilities District special-tax assessments layered on top of the base property tax rate -- a real, meaningful cost consideration especially relevant to Temecula's own newer-construction housing stock, worth confirming directly for any specific property.

Proposition 13's assessed-value cap

Proposition 13 (1978) caps a property's assessed value at its purchase price, allowing at most approximately 2% annual growth until resale, regardless of market appreciation.

Key takeaways

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Last reviewed: 2026-08-25. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.