Clinical & Reference Laboratories in Contra Costa County, CA

We list 40 clinical laboratories serving Contra Costa County, CA: 5 based there and 35 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical laboratories serving Contra Costa County, CA are Contra Costa Pathology Associates, Epic Care, Golden State Dermatology Associates, Inc, Laboratory Corporation Of America and Precision Pathology Medical Group Inc. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Contra Costa Pathology Associates (Centers for Medicare & Medicaid Services), Epic Care (Centers for Medicare & Medicaid Services), Golden State Dermatology Associates, Inc (Centers for Medicare & Medicaid Services), Laboratory Corporation Of America (Centers for Medicare & Medicaid Services) and Precision Pathology Medical Group Inc (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.