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California

Contra Costa County

The median owner-occupied home in Contra Costa County had a real-estate tax bill of $6,903 (± $79) a year, compared with $4,926 in California and $2,969 nationwide. The median home value was $830,800 (± $7,330), compared with $695,400 in California and $303,400 nationwide.

U.S. Census Bureau estimates for Contra Costa County, California and the United States, with margins of error
MeasureContra Costa CountyCaliforniaUnited States
Population 1,161,458 39,242,785 332,387,540
Median annual property tax bill (homeowners) $6,903 ± $79 $4,926 ± $12 $2,969 ± $3
Median home value $830,800 ± $7,330 $695,400 ± $1,030 $303,400 ± $362
Median household income $125,727 ± $1,829 $96,334 ± $298 $78,538 ± $176
Property tax as a share of home value (calculated) 0.83% ± 0.01 points 0.71% ± under 0.01 points 0.98% ± under 0.01 points
Homes lived in by their owners 67.7% ± 0.6 points 55.8% ± 0.3 points 65.0% ± 0.3 points
Owner households headed by someone 65 or older 32.6% ± 0.6 points 33.2% ± 0.2 points 32.6% ± 0.2 points
Owners spending 30% or more of income on housing costs 29.9% ± 0.8 points 30.9% ± 0.1 points 22.2% ± 0.1 points
How to read these numbers

Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2019–2023: tables B25103 (real estate taxes), B25077 (home value), B19013 (household income), B01003 (population), B25003 (owners and renters), B25007 (age of householder), B25091 (housing costs as a share of income); see the Census ACS data page.

Cities, towns and villages in Contra Costa County (19)

Incorporated places with their own local government. A place that crosses a county line is listed in each county it touches and marked “partly”; its page shows figures for the whole place.

Census-designated places in Contra Costa County (32)

Unincorporated communities that the Census Bureau defines for statistics. They have no city government of their own.

Recognized by the Census Bureau, but no property tax figure published (2)

These places appear in the Census Bureau’s list of places and governmental units in Contra Costa County, but its 2019–2023 survey publishes no median property tax bill for them (usually because too few households were sampled). They are listed here so that no place is overlooked. The county figures above are the closest available estimate.

Other named communities in Contra Costa County (69)

These names come from the U.S. Geological Survey’s Geographic Names Information System (GNIS), which records historical and local names of populated places: small settlements, neighborhoods, rural localities and former towns. The Census Bureau does not report them as cities, towns or census-designated places, so no figures exist for them at this level. The county figures above are the closest available estimate. A name can appear for a place that no longer exists or that lies inside a larger place.

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