Property tax in Mariposa County, California
The median property tax bill in Mariposa County, California is $2,377 a year, which is about 0.61% of the county's median home value of $387,900. That effective rate is lower than the typical California county (0.7%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.
Estimate the property tax on a home in Mariposa County
Enter a home's market value for a ballpark at Mariposa County's average effective rate of 0.61% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.
Estimated property tax: $2,366 / year
Property tax in Mariposa County at a glance
| Measure | Value |
|---|---|
| Median annual property tax | $2,377 |
| Median home value | $387,900 |
| Effective tax rate | 0.61% |
| Typical California county rate | 0.7% |
| National median county rate | 0.81% |
Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.
How does Mariposa County compare in California?
Among California's 58 counties, Mariposa County has the 56th highest effective property-tax rate: 55 rank higher and 2 rank lower. That places it among the least taxed counties in the state. Nationally, it ranks 2209th of 3135 US counties by effective rate. See every California county ranked.
How much do homeowners in Mariposa County actually pay?
The median is only the middle bill. Across Mariposa County's 5,611 owner-occupied homes, 31.1% pay $3,000 or more a year in property tax, 56.8% pay at least $2,000, and 10.2% pay under $800. Another 5.7% report paying no property tax at all, which usually means an exemption covers the whole bill.
| Annual bill | Homes | Share |
|---|---|---|
| Under $800 | 575 | 10.2% |
| $800 to $1,499 | 985 | 17.6% |
| $1,500 to $1,999 | 541 | 9.6% |
| $2,000 to $2,999 | 1,443 | 25.7% |
| $3,000 or more | 1,745 | 31.1% |
| No property tax paid | 322 | 5.7% |
Owners with a mortgage pay a median of $2,752 and owners without one pay $1,807. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.
How does the Mariposa County property tax bill compare with local incomes?
The median property tax bill of $2,377 is about 3% of the median income of Mariposa County homeowner households, $79,278 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 74.7% of Mariposa County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.
Have property taxes gone up in Mariposa County?
Yes. The median bill went from $1,964 in 2015-2019 to $2,377 in 2020-2024, a 21% rise. Over the same span the median home value moved 40.7%, from $275,700 to $387,900. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.
Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.
Property tax in counties next to Mariposa County
Mariposa County borders 4 counties.
| County | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Stanislaus County, CA | 0.71% | $3,216 | $450,100 |
| Madera County, CA | 0.7% | $2,756 | $393,200 |
| Merced County, CA | 0.67% | $2,634 | $391,800 |
| Tuolumne County, CA | 0.66% | $2,864 | $433,200 |
| Mariposa County, CA (this county) | 0.61% | $2,377 | $387,900 |
How is a home assessed in Mariposa County?
California sets the assessment rules and Mariposa County applies them. How California assesses and reappraises homes.
Is there a homestead exemption in Mariposa County?
Yes. California's Homeowners' Exemption takes $7,000 off the assessed value of an owner-occupied home. File form BOE-266 with the county assessor by February 15 for the full exemption. That is the California rule, and it applies in Mariposa County. California's exemptions and relief programs in full.
When are property taxes due in Mariposa County?
Secured property tax is billed in two installments: the first is due November 1 (delinquent after December 10) and the second is due February 1 (delinquent after April 10), with a 10% penalty after each. Billed and collected by the county tax collector.
California splits the bill into 2 installments. That is the California rule. Mariposa County issues and collects the bill, so the dates printed on your statement are the ones that bind you.
How to appeal your Mariposa County property assessment
You contest the assessed value with the County Assessment Appeals Board. The filing deadline is typically July 2 to September 15 (or November 30 in some counties). That is the California rule; Mariposa County sets the exact dates and forms. The California appeal process step by step.
California rules from primary state sources, reviewed September 7, 2026; sources on the California page.
Work out your own numbers
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How much house can I afford?
Your income, debts and down payment against the 28/36 rule lenders actually use, with Mariposa County's tax rate to hand.
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Mortgage calculator
Monthly payment with principal, interest, tax and insurance, plus what an extra payment saves you.
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California income tax
Brackets, standard deduction and what California actually taxes.
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Sales tax in Mariposa County
The other local tax: combined state and local rate for this county.
Sources
- Median real estate taxes paid and median home value for Mariposa County, California: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.