Soil Types in Contra Costa County, California

Contra Costa County has 43 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.

Hardiness Zones

Contra Costa County spans USDA zones 9b through 10a.

9b 10a

Top Cities in Contra Costa County

DISCOVERY BAY Unknown 94505 DANVILLE Unknown 94506 ALAMO Unknown 94507 ANTIOCH Unknown 94509 BRENTWOOD Unknown 94513 BYRON Unknown 94514 CLAYTON Unknown 94517 CONCORD Unknown 94518 PLEASANT HILL Unknown 94523 CROCKETT Unknown 94525

Soil Types in Contra Costa County

Contra Costa County in California has 43 zip codes in our database. The most common soil type is Loam, found in 0% of the county. Understanding your local soil helps you choose the right plants and amendments for your garden.

Hardiness Zones in Contra Costa County

Contra Costa County spans USDA hardiness zones 9b through 10a. Your hardiness zone determines which perennial plants will survive winter in your area. Enter your zip code above to find your exact zone and get personalized planting recommendations.

Browse Zip Codes in Contra Costa County

94505 DISCOVERY BAY Unknown 94506 DANVILLE Unknown 94507 ALAMO Unknown 94509 ANTIOCH Unknown 94511 Unknown 94513 BRENTWOOD Unknown 94514 BYRON Unknown 94516 Unknown 94517 CLAYTON Unknown 94518 CONCORD Unknown 94519 CONCORD Unknown 94520 CONCORD Unknown 94521 CONCORD Unknown 94523 PLEASANT HILL Unknown 94525 CROCKETT Unknown 94526 DANVILLE Unknown 94528 Unknown 94530 EL CERRITO Unknown 94531 ANTIOCH Unknown 94547 HERCULES Unknown 94548 Unknown 94549 LAFAYETTE Unknown 94553 MARTINEZ Unknown 94556 MORAGA Unknown 94561 OAKLEY Unknown 94563 ORINDA Unknown 94564 PINOLE Unknown 94565 PITTSBURG Unknown 94569 Unknown 94572 RODEO Unknown

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