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DNA Testing in Alameda County, California

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TestMark DNA provides certified DNA testing throughout Alameda County, California. With 12 collection sites across 9 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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DNA Testing Coverage in Alameda County

TestMark DNA operates 12 certified collection sites across 9 cities in Alameda County, California, covering the ZIP codes listed below. Every site is CLIA-certified to the same federal standard used by hospital and physician laboratories.

12
Collection Sites
9
Cities Served
12
ZIP Codes Covered

ZIP Codes Served in Alameda County

  • 94501
  • 94536
  • 94538
  • 94546
  • 94550
  • 94578
  • 94588
  • 94607
  • 94609
  • 94702
  • 94705
  • 94706

Largest Cities by Number of Sites

  • Oakland2 sites
  • Fremont2 sites
  • Berkeley2 sites
  • Pleasanton1 site
  • Castro Valley1 site

4 additional cities are served. See the full list above.

Cities in Alameda County

All Locations in Alameda County

Frequently Asked Questions

Where can I get a DNA test in Alameda County, California?

TestMark DNA operates 12 certified collection sites across 9 cities in Alameda County, with the largest concentration in Berkeley. No appointment is required and results are typically returned in 3 to 5 business days. Call (866) 702-7644 to confirm the closest site to you.

Which cities in Alameda County have DNA testing available?

TestMark DNA serves 9 cities in Alameda County, California. The full list of cities and their collection sites is shown above on this page. Berkeley has the most collection sites and is typically the closest option for visitors traveling within the county.

Do I need an appointment for DNA testing in Alameda County?

No appointment is required at most TestMark DNA collection sites in Alameda County. Walk-ins are welcome during regular business hours. Calling (866) 702-7644 before you arrive lets us confirm current wait times and which test is right for your situation.

How long do DNA test results take in Alameda County, California?

Results for a standard DNA paternity test are typically returned within 3 to 5 business days from when all samples are received at the accredited laboratory. Turnaround applies to every collection site in Alameda County, regardless of which physical pickup location you visit.

Are DNA test results from Alameda County admissible in court?

Results from a legal DNA test performed at an accredited TestMark DNA site with a completed chain-of-custody form are typically accepted in court, including in California courts. Personal (non-legal) tests are for private knowledge only and are not intended for legal use. Call (866) 702-7644 to confirm which test fits your situation.

What types of DNA tests are available in Alameda County?

TestMark DNA collection sites in Alameda County support paternity, maternity, sibling, grandparent, avuncular, and immigration DNA testing, plus home DNA kit options. All tests are processed at accredited laboratories, the same facilities used by hospitals and physicians.
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