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Offering DNA testing for legal and non-legal purposes
Accredited Drug Testing, Inc. (ADT) is committed to providing precise DNA testing by employing certified collection professionals and utilizing AABB-accredited laboratories. Our unwavering dedication to quality guarantees the most reliable outcomes for your genetic testing. Our conveniently located DNA test centers throughout Contra Costa County ensure you can access testing swiftly and with ease, whether from home or work.
Our DNA testing facilities span across cities and states, making it simple to schedule your appointment by dialing (800)221-4291. Get The Answers You Need!
Legal DNA test – when needing a DNA test for paternity, child custody or any court ordered purpose a legal DNA test must be performed at a testing center, the child/children and the alleged father will be scheduled to go to one of our many testing centers nationwide with appropriate documentation, identification, and the test will be performed by a qualified DNA test collector who will then send the specimen to a certified AABB laboratory. Results will be available in approximately 10 days after the laboratory receives the specimen.
Non-legal DNA test -this test is performed for informational purposes only, a DNA certified test kit will be sent to the purchaser via regular mail or overnight delivery. The kit will include clear instructions of how to perform the DNA test, the purchaser will utilize an oral fluid swab for the child/children and alleged father. upon completion the specimen will be placed in a prepaid delivery envelope and sent to our AABB certified laboratory. Results will be available in approximately 10 days after the specimens are received at the laboratory. Please remember the non-legal DNA test cannot be used in a court of law or for any legal purpose.
Accredited Drug Testing, Inc. (ADT) is committed to providing precise DNA testing by employing certified collection professionals and utilizing AABB-accredited laboratories. Our unwavering dedication to quality guarantees the most reliable outcomes for your genetic testing. Our conveniently located DNA test centers throughout Contra Costa County ensure you can access testing swiftly and with ease, whether from home or work.
Our DNA testing facilities span across cities and states, making it simple to schedule your appointment by dialing (800)221-4291. Get The Answers You Need!
Discover our comprehensive DNA testing services in Knightsen, CA, designed to deliver successful outcomes for families and individuals seeking clarity. Accredited Drug Testing boasts a spectrum of genetic testing options, from paternity to ancestry DNA tests. Each test is meticulously handled by certified professionals, ensuring accuracy and confidentiality. By using only AABB-certified labs, our services meet the highest standards for quality and reliability. Whether confirming a familial relationship, exploring genetic genealogy, or acquiring a court-admissible test for legal proceedings, our Knightsen locations offer prompt and precise solutions. Choose from prenatal DNA assessments, sibling DNA comparisons, or delve into your ancestral roots with our ancestry testing options. Contact us to experience our trusted services today.
Legal DNA testing by Accredited Drug Testing ensures compliance with Contra Costa County court standards for custody, parentage, and immigration cases, using certified chain-of-custody protocols for results recognized by legal institutions.
Our standard DNA tests include non-legal personal investigations such as ancestry and health DNA, providing individuals in Knightsen, CA, with insights into their genetic background and health predispositions using cutting-edge sequencing and analysis.
Begin by scheduling your DNA test appointment at one of our Knightsen collection centers. A certified technician will guide you through a simple swab collection to obtain your DNA sample.
Your sample is then sent to an AABB-accredited lab, where sophisticated DNA profiling and sequencing analyze genetic markers for insightful results.
Within a few days, confidential results are accessible, offering comprehensive genetic insights or court-worthy evidence, based on your specific testing requirements.
Our DNA testing services prioritize unmatched precision through comprehensive quality checks. Utilizing AABB-accredited labs, we ensure every test upholds the highest accuracy standards.
Certified technicians guide the collection process, fortifying the integrity and reliability of our data. We offer you insights grounded in stringent scientific protocols.

Establishing parentage for custody/support.
In Contra Costa County, DNA testing provides a foundation for legal resolutions in parentage cases, offering decisive and admissible proof of biological ties, thus guiding judges toward making justifiably responsible decisions in custody and financial support.
Confirming familial relationships.
By confirming familial ties, DNA testing in the county alleviates doubts regarding sibling or grandparent connections. Reliable genetic evidence brings peace of mind, settles inheritance disagreements, and helps knit tighter family units.
Immigration cases requiring proof of biological relationships.
Our legal DNA services facilitate faster processing of family-based visa applications. The proven biological relationships endorsed by our certified tests help streamline processes with immigration bodies, ensuring families in Contra Costa County are reunited more swiftly.
Adoption cases or identifying unknown biological relatives.
DNA testing unveils unknown biological relatives, aiding adoptees in Knightsen, CA, by providing insights needed for personalized genetic heritage exploration, fostering an understanding of family health background and personal identity.
Genealogy and ancestry exploration.
Genetic analysis helps the residents of Contra Costa County explore family roots, enriching their knowledge of ancestry, ethnic lineage, and historical migratory paths, crafting a richer narrative of personal and cultural identity.
Our DNA tests in Contra Costa County meet stringent local court requirements, ensuring they are accurate and legally sound for family law matters. Using our stringent chain-of-custody procedures, we deliver dependable results acknowledged by Contra Costa law courts.
For family and custody disputes in Knightsen, CA, determining exact biological relationships becomes pivotal. By adhering strictly to Contra Costa County guidelines, our accredited testing services emphasize sample authenticity, ensuring your data's legal strength.
Aligning with Contra Costa County's legal expectations, our DNA services reveal certainty and offer peace in intricate family law scenarios. Knightsen families count on our exact processes to resolve complex issues like custody, inheritance, and paternity promptly and equitably.
Contra Costa County Courts
Local courts providing forms and information relevant to family law and custody cases.
Contra Costa County Bar Association
Directory of family law attorneys specializing in DNA-verified legal matters.
US Citizenship and Immigration Services
Providing guidance on DNA testing requirements for immigration-related proofs.
Contra Costa Health Services
Offering resources for health care, understanding DNA test results, and health history implications.
Family Law Facilitator's Office
Resource offering guidance on family legal matters, accessible to Knightsen residents.
Knightsen Town Office
Local information including compliance and regulatory updates regarding DNA testing services.
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Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!
Sophia Schutze - 6/19/2024
Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*
Christopher Hansis - 12/19/2024
Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!
Jesse Dupre - 4/12/2025