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Call/text (707) 474-8855Contra Costa County · California
Contra Costa County, California real estate & cities.
Countywide real estate hub for Contra Costa County, CA — 43 live city guides, public market snapshots, and connections to local professionals.
Contra Costa County, California is a county-level market on USAHouses.com — a countywide hub linking verified city guides, public market data, and ways to connect with licensed professionals. We currently publish 43 city-level guides inside Contra Costa County, covering resale homes, condos, land, and new construction across the county.
County pages complement city guides: they group places by official Census county or county-equivalent boundaries, surface nearby counties and major California cities, and link to NewUSAHouses.com builder hubs when available.
Contra Costa County corresponds to Census FIPS code 06013. FIPS is the geographic code for USA Counties.
County snapshot
Contra Costa County at a glance
City guides on USAHouses
43 live
Combined population (catalogued places)
1,118,397
Median household income (midpoint of places)
$135,665
Median home value range (Census ACS)
$283,600 – $2,000,001
County price trend (FHFA HPI)
-0.0% (2025)
Market data compiled from public sources on linked city guides and county-level datasets; deemed reliable but not guaranteed. Full source list ↗
Places in Contra Costa County
Cities & towns in Contra Costa County
Contra Costa County includes 43 places USAHouses.com tracks in its city manifest; 43 already have live market guides linked below.
Concord
Pop. 124,260 · Market guide
Antioch
Pop. 115,759 · Market guide
Richmond
Pop. 115,396 · Market guide
San Ramon
Pop. 85,734 · Market guide
Pittsburg
Pop. 75,868 · Market guide
Walnut Creek
Pop. 69,790 · Market guide
Brentwood
Pop. 64,609 · Market guide
Oakley
Pop. 44,311 · Market guide
Danville
Pop. 43,426 · Market guide
Martinez
Pop. 36,926 · Market guide
Pleasant Hill
Pop. 34,335 · Market guide
San Pablo
Pop. 31,771 · Market guide
Hercules
Pop. 26,245 · Market guide
El Cerrito
Pop. 25,781 · Market guide
Lafayette
Pop. 25,277 · Market guide
Bay Point
Pop. 24,065 · Market guide
Orinda
Pop. 19,472 · Market guide
Pinole
Pop. 18,835 · Market guide
Moraga
Pop. 16,790 · Market guide
Discovery Bay
Pop. 15,243 · Market guide
Alamo
Pop. 14,441 · Market guide
Clayton
Pop. 10,962 · Market guide
Blackhawk
Pop. 10,404 · Market guide
Rodeo
Pop. 8,735 · Market guide
Contra Costa Centre
Pop. 7,127 · Market guide
Camino Tassajara
Pop. 6,395 · Market guide
Saranap
Pop. 5,693 · Market guide
Kensington
Pop. 5,292 · Market guide
Tara Hills
Pop. 4,912 · Market guide
Pacheco
Pop. 4,657 · Market guide
Crockett
Pop. 3,642 · Market guide
Rollingwood
Pop. 3,623 · Market guide
Vine Hill
Pop. 3,617 · Market guide
Reliez Valley
Pop. 3,006 · Market guide
Bethel Island
Pop. 2,144 · Market guide
Knightsen
Pop. 2,018 · Market guide
Byron
Pop. 1,876 · Market guide
Castle Hill
Pop. 1,303 · Market guide
Diablo
Pop. 1,072 · Market guide
Acalanes Ridge
Pop. 1,025 · Market guide
Shell Ridge
Pop. 998 · Market guide
Norris Canyon
Pop. 846 · Market guide
Clyde
Pop. 716 · Market guide
Nearby
Nearby counties & major cities in California
Other counties in California with USAHouses city or county coverage:
Los Angeles County
100 catalogued places
Riverside County
48 catalogued places
San Bernardino County
43 catalogued places
San Diego County
38 catalogued places
Orange County
36 catalogued places
Sonoma County
30 catalogued places
Kern County
29 catalogued places
Marin County
28 catalogued places
Larger California cities with live USAHouses market guides — populous places first, including major metro hubs when available:
Los Angeles
Major metro
San Diego
Major metro
San Francisco Bay Area
Major metro
San Jose
Pop. 990,054 · Major metro
Long Beach
Pop. 458,491 · Major metro
Oakland
Pop. 438,072 · Major metro
Bakersfield
Pop. 408,366 · Major metro
Anaheim
Pop. 344,553 · Major metro
Major metro hubs serving buyers comparing Contra Costa County with larger nearby markets:
New construction
New homes in & near Contra Costa County
Verified new-construction communities on NewUSAHouses.com in California — linked when a matching metro or state hub exists.
Local resources
Get help buying or selling in Contra Costa County
What can I afford?
Estimate a comfortable price range in under a minute, then connect with a lender for real numbers.
Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
Open
Advertise to local buyers
Lenders, inspectors, movers, and other local pros — this spot is open.
Advertise here →Reach Contra Costa County buyers
Builders: feature your communities in front of Contra Costa County buyers — learn about advertising ↗
Want to own this market? Ask about our Contra Costa County domains — see available domains ↗
Official resources
Contra Costa County government & services
Contra Costa County government
Official county or county-equivalent government website (source: public records / Wikidata). Official site ↗
Schools
San Ramon Valley Unified — 37 schools, 29,680 students (largest district in county by enrollment; attendance zones vary by address).
County house price trend
FHFA all-transactions HPI annual change -0.0% (2025).
Common questions
Contra Costa County FAQ
What cities and towns are in Contra Costa County, CA?
USAHouses.com currently catalogues 43 places in Contra Costa County, with live market guides for 43 of them. Census recognizes additional small places and CDPs in most counties that may not yet have dedicated pages.
Where should I start looking for homes in Contra Costa County?
Start with the live city guides for Concord, Antioch, Richmond, San Ramon, Pittsburg, and 38 more — each links Census market data, nearby places, and ways to connect with local professionals.
Does USAHouses.com cover new construction in Contra Costa County?
City and county guides link to NewUSAHouses.com where verified new-home communities exist in California. Use the new-construction section on this page for same-state builder hubs; availability varies by market.
How is the Contra Costa County housing market trending?
County-level FHFA house price index data shows a -0.0% annual change in 2025 — a countywide benchmark, not a guarantee for any single city or street.
How do I connect with an agent in Contra Costa County?
Use the lead form at the bottom of this page to describe your buy or sell goals in Contra Costa County. USA HOUSES LLC is a platform/media company, not a brokerage; licensed professionals are disclosed separately.
Search Contra Costa County
Look up homes in Contra Costa County
Search new construction and resale homes countywide — live MLS data, not just what's summarized on this page.
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Find your Contra Costa County home
Tell us your area, budget, and timeline — we'll connect you with licensed professionals who know Contra Costa County.
Get connected in Contra Costa CountyExplore more
Where to go next
Get help in Contra Costa County
Tell us what you're looking for — buy, sell, both, invest, rent, or you're an agent, builder, vendor, or advertiser. Include where in Contra Costa County you want to buy or sell and your address if relevant.
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