Riverside County Property Tax Calculator
Riverside County has seen some of Southern California's fastest new-home growth, and every one of those properties enters the tax roll under the same Proposition 13 rules as older homes: the Riverside County Assessor-County Clerk-Recorder sets an assessed value at purchase, then state law caps how much it can rise annually until the next sale. Because new construction resets the cap for a fresh baseline, recently built subdivisions can carry meaningfully different assessed values than resale homes nearby. Open the calculator above, select Riverside County, and enter a value to see a projected bill.
Annual Property Tax
$4,631Monthly (Escrow)
$386Effective Rate
0.83%Riverside County's effective rate (0.83%) is 19% higher than the California average (0.70%).
Edit inputs ↑Riverside County Effective Rate
0.83%
Vs. California Average
19% higher
California National Rank
#32 of 51
1 = highest statewide rate
County Median Home Value
$557,300
Estimated Annual Tax (Median Home)
$4,631
Monthly Equivalent
$386
Property tax in Riverside County, California
- The Assessor-County Clerk-Recorder assigns assessed value at the point of purchase, with Proposition 13 capping subsequent annual increases.
- The moment new construction wraps up, it gets its own current-market assessment, separate from whatever cap applies to the existing structure.
- A disputed assessed value can be pursued through an informal review or taken formally before the county's appeals board.
- An owner-occupied home can claim the homeowners' exemption, which chips away at taxable value on top of Proposition 13's separate growth cap.
Other large California counties
Effective rate = aggregate real-estate taxes paid ÷ aggregate home value (ACS 2024 5-year).
| County | Effective Rate | Median Home Value |
|---|---|---|
| Los Angeles County | 0.67% | $834,200 |
| San Diego County | 0.67% | $854,700 |
| Orange County | 0.64% | $962,600 |
| San Bernardino County | 0.73% | $505,000 |
| Santa Clara County | 0.68% | $1,490,600 |
| Alameda County | 0.76% | $1,090,100 |
| Sacramento County | 0.76% | $534,200 |
| Contra Costa County | 0.78% | $866,800 |
| Kern County | 0.89% | $338,300 |
| Imperial County | 0.83% | $309,600 |
See property tax across every county in California at the California property tax calculator , or check your California income tax with the California income tax calculator .
Frequently asked questions
How is property tax calculated in Riverside County?
The Assessor-County Clerk-Recorder's office puts a value on your property at the time of purchase, with Proposition 13 setting the pace of growth from there, and your local tax rate area then bills against that figure. New construction gets its own market-value assessment layered on at completion.
How do I appeal my Riverside County assessment?
The county assessment appeals board hears formal cases during its annual filing period, or an owner can try a quick word with the assessor first if the gap looks small. Comparable recent sales are the strongest evidence in either route.
Does Riverside County offer a homestead exemption?
California's homeowners' exemption is open to an owner-occupied home here, trimming assessed value before local rates apply, layered atop the separate cap Proposition 13 places on annual growth.
Are property taxes higher in newly built Riverside County subdivisions?
Often, yes — new construction is assessed at current market value when completed, while an established home nearby may still be carrying a lower assessed value built up under Proposition 13's annual cap. Over time that gap can narrow as the older home eventually sells and resets.
Sources
Related insights
Use these guides for rule explanations, planning context, and follow-up questions beyond the calculator result.