Cost of Living in Contra Costa County, California
At a Glance
Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)
How Contra Costa County Compares
Median monthly rent comparison
Detailed Housing Stats
Data Story
About Cost of Living in Contra Costa County, California
Contra Costa matches national rent burden
Contra Costa County's rent-to-income ratio of 22.2% aligns precisely with national affordability norms, making it a statistical twin to the broader U.S. housing crisis. With median income of $125,727—68% higher than the national median—residents enjoy higher absolute earning power despite dedicating nearly one-quarter of earnings to rent.
Balanced affordability for the Bay Area
Contra Costa's 22.2% rent-to-income ratio sits marginally below California's state average of 22.4%, positioning it in the state's more affordable half. The $2,322 median rent tops Alameda by just $4 yet generates nearly identical rental burdens across both East Bay powerhouses.
East Bay parity, with subtle advantages
Contra Costa's $2,322 rent and 22.2% burden match Alameda's metrics ($2,318 and 22.0%) almost exactly, while homeownership costs of $2,675 run $224 cheaper than Alameda's $2,899. Both counties offer comparable affordability for high-income households seeking Bay Area proximity.
High earners, high housing costs
Renters pay $2,322 monthly and owners invest $2,675 toward mortgages—combined housing costs consume roughly 44% of a $125,727 income. This leaves $7,000+ monthly for all other living expenses, a luxury unavailable to lower-income California counties.
Contra Costa for the high-income professional
If you earn $120,000+ and work in the Bay Area, Contra Costa delivers comparable affordability to Alameda with marginally lower ownership costs and access to I-680 job corridors. For those earning under $100,000, consider the Sierra foothills or Central Valley; Contra Costa's $830,800 median home price demands substantial financial resources.
Affordability Calculator
See how your income compares to housing costs in Contra Costa County
Rent Burden
22.2%
of gross income
Max Housing (28% Rule)
$2,934
per month
Owner Cost Burden
25.5%
of gross income
The median home in Contra Costa County may be a stretch
Median home value is $830,800. Estimated monthly cost: $6,633 vs. your max of $2,934.
Rent Affordability Guide
Frequently Asked Questions
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See Today's RatesData: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2019-2023) — Informational only. Not financial or legal advice.