DNA Testing in Contra Costa County, California
TestMark DNA provides certified DNA testing throughout Contra Costa County, California. With 14 collection sites across 11 cities, there is a convenient location near you. All sites are CLIA-certified and staffed by trained professionals. Call (866) 702-7644 for a free consultation.
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Cities in Contra Costa County
All Locations in Contra Costa County
1450 Treat Blvd
Walnut Creek, CA 94597
View Hours & Details →907 San Ramon Valley Blvd
Danville, CA 94526
View Hours & Details →4045 Lone Tree Way Ste B
Antioch, CA 94531
View Hours & Details →2675 Pleasant Hill Rd
Pleasant Hill, CA 94523
View Hours & Details →12677 Alcosta Blvd Suite 110
San Ramon, CA 94583
View Hours & Details →3466 Mt Diablo Blvd Ste C102
Lafayette, CA 94549
View Hours & Details →1914 Tice Valley Blvd
Walnut Creek, CA 94595
View Hours & Details →177 La Casa Via Suite 150
Walnut Creek, CA 94598
View Hours & Details →2400 Balfour Rd Ste 100
Brentwood, CA 94513
View Hours & Details →1505 St Alphonsus Way
Alamo, CA 94507
View Hours & Details →2160 Appian Way Ste 205
Pinole, CA 94564
View Hours & Details →2425 East St Ste 6
Concord, CA 94520
View Hours & Details →2540 East St D
Concord, CA 94520
View Hours & Details →140 Brookwood Rd Ste 102
Orinda, CA 94563
View Hours & Details →