DNA Testing Locations - Knightsen, CA

Paternity, Child Custody, Court

Offering DNA testing for legal and non-legal purposes

35 DNA-Testing Centers in Knightsen

Minutes Away, Test Today

1181 Central Boulevard, Suite C2.76 miles

1181 Central Boulevard, Suite C
Brentwood, CA 94513

3901 Walnut Blvd Ste A-22.94 miles

3901 Walnut Blvd Ste A-2
Brentwood, CA 94513

2400 Balfour Rd Ste 2303.81 miles

2400 Balfour Rd Ste 230
Brentwood, CA 94513

4501 Sand Creek Rd4.74 miles

4501 Sand Creek Rd
Antioch, CA 94531

3450 Hillcrest Ave5.14 miles

3450 Hillcrest Ave
Antioch, CA 94531

3901 Lone Tree Way6.42 miles

3901 Lone Tree Way
Antioch, CA 94509

3400 Delta Fair Blvd9.71 miles

3400 Delta Fair Blvd
Antioch, CA 94509

2339 Buchanan Rd9.79 miles

2339 Buchanan Rd
Antioch, CA 94509

1251 California Ave Ste 60011.53 miles

1251 California Ave Ste 600
Pittsburg, CA 94565

1901 Railroad Ave Ste B12.50 miles

1901 Railroad Ave Ste B
Pittsburg, CA 94565

3774 Railroad Ave Ste C12.56 miles

3774 Railroad Ave Ste C
Pittsburg, CA 94565

1001 Pittsburg Antioch Hwy Ste B13.35 miles

1001 Pittsburg Antioch Hwy Ste B
Pittsburg, CA 94565

5167 Clayton Rd Ste H16.29 miles

5167 Clayton Rd Ste H
Concord, CA 94521

10200 Trinity Pkwy17.00 miles

10200 Trinity Pkwy
Stockton, CA 95219

2291 W March Lane, Suite 145 F18.16 miles

2291 W March Lane, Suite 145 F
Stockton, CA 95207

1782 W Hammer Ln18.44 miles

1782 W Hammer Ln
Stockton, CA 95209

8829 Davis Rd Ste 118.79 miles

8829 Davis Rd Ste 1
Stockton, CA 95209

2160 W Grant Line Rd Ste 23018.82 miles

2160 W Grant Line Rd Ste 230
Tracy, CA 95377

3000 Las Positas Rd19.04 miles

3000 Las Positas Rd
Livermore, CA 94551

On-site Only19.31 miles

On-site Only
Lodi, CA 95242

1429 W Fremont St19.43 miles

1429 W Fremont St
Stockton, CA 95203

2477 Pacheco St19.79 miles

2477 Pacheco St
Concord, CA 94520

320 Lennon Ln Fl 219.97 miles

320 Lennon Ln Fl 2
Walnut Creek, CA 94598

2425 East Street, Suite 619.98 miles

2425 East Street, Suite 6
Concord, CA 94520

2540 East St20.00 miles

2540 East St
Concord, CA 94520

644 W 12th St20.22 miles

644 W 12th St
Tracy, CA 95376

632 West 11th Street, Suite 11520.34 miles

632 West 11th Street, Suite 115
Tracy, CA 95376

2 Terminal20.53 miles

2 Terminal
San Francisco, CA 94128

1805 N California St Ste 30320.62 miles

1805 N California St Ste 303
Stockton, CA 95204

7373 West Ln Fl 120.62 miles

7373 West Ln Fl 1
Stockton, CA 95210

1800 N California St20.63 miles

1800 N California St
Stockton, CA 95204

2090 Commerce Ave20.65 miles

2090 Commerce Ave
Concord, CA 94520

2231 Galaxy Ct20.70 miles

2231 Galaxy Ct
Concord, CA 94520

5570 Stockton Loop20.76 miles

5570 Stockton Loop
Livermore, CA 94550

5601 Norris Canyon Rd Ste 14020.78 miles

5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

How It Works

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.

Knightsen DNA Testing

DNA Testing Services Available at Our Knightsen, CA Labs:

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.

Testing Types Available:

Legal DNA Testing

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.

Non-Legal DNA Testing

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.

AABB Certified Labs

How Our DNA Testing Works

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.

Accuracy and Reliability

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.

AABB Certified Labs

Common Reasons for DNA Testing in Knightsen

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.

Knightsen Legal and Court-Admissible Testing

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.

Knightsen California Community Resources

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.

Knightsen Drug Testing

Quickly find trusted local drug testing centers in Knightsen, CA — fast, convenient, and reliable every time!

Knightsen DOT Drug Testing

Quickly find a local DOT drug testing center in Knightsen, CA — fast, reliable, convenient nationwide service!

Knightsen DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Knightsen, CA.

Knightsen Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Knightsen, CA.v

Knightsen Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Knightsen, CA locations—results you can trust, every time!

Knightsen Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Knightsen, CA.

Knightsen Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Knightsen, CA.

Knightsen 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Knightsen, CA employers and individuals nationwide.

Knightsen 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Knightsen, CA workplace and personal testing needs.

Knightsen On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Knightsen, CA workplace compliant.

Knightsen DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knightsen, CA drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

Yes. Accredited Drug Testing provides access to DNA collection locations nationwide. In most cases, individuals can be scheduled at a site close to their home, workplace, attorney’s office, or court jurisdiction for convenience.
Yes, if it is ordered as a legal paternity DNA test and collected under strict chain-of-custody procedures. During a legal test, each tested party’s identity is verified, the collector documents the handoff of the swabs, and the lab issues a report suitable for court, child support enforcement, and other official proceedings.
Accredited Drug Testing also offers non-legal DNA testing. This option still compares DNA profiles but does not require the same level of identity documentation or chain of custody. These results are for personal knowledge and are typically not intended for courtroom use.
Immigration-related DNA testing is used to confirm a claimed biological relationship, such as parent and child, when other documentation is incomplete or unavailable. Properly collected and documented DNA samples can be submitted as supporting evidence in visa or residency applications.
Most DNA tests use a painless cheek swab (buccal swab). A trained collector swabs the inside of the cheek to collect cells containing each person’s DNA. In legal and immigration cases, this process is witnessed, logged, and sealed to protect the integrity of the results.
Yes. Results are released only to the authorized requesting party, such as the tested adult, legal guardian, attorney, court/probation contact, or designated immigration representative. All results are handled under strict confidentiality and documented securely.
Yes. Accredited Drug Testing provides relationship DNA tests, including grandparent DNA tests, sibling tests, avuncular (aunt/uncle) tests, and other kinship analyses. These tests help establish or confirm a biological relationship when one or both biological parents cannot participate.
In many cases, DNA collection appointments can be arranged quickly to meet legal timelines, court dates, immigration requests, or custody hearings. The collection is performed at an approved location and then sent for laboratory processing.

Customer Reviews

Sweet and helpful

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

ADT was able to get me the best tests

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

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025


(800) 221-4291