DNA Testing Locations - Castle Hill, CA

Paternity, Child Custody, Court

Offering DNA testing for legal and non-legal purposes

32 DNA-Testing Centers in Castle Hill

Minutes Away, Test Today

1425 S Main St1.57 miles

1425 S Main St
Walnut Creek, CA 94596

1981 N Broadway Ste 1902.52 miles

1981 N Broadway Ste 190
Walnut Creek, CA 94596

108 La Casa Via, Ste 1053.00 miles

108 La Casa Via, Ste 105
Walnut Creek, CA 94598

320 Lennon Ln Fl 24.36 miles

320 Lennon Ln Fl 2
Walnut Creek, CA 94598

401 Gregory Ln, Ste 1465.51 miles

401 Gregory Ln, Ste 146
Pleasant Hill, CA 94523

609 Gregory Ln Ste 1005.51 miles

609 Gregory Ln Ste 100
Pleasant Hill, CA 94523

2090 Commerce Ave7.30 miles

2090 Commerce Ave
Concord, CA 94520

2231 Galaxy Ct7.42 miles

2231 Galaxy Ct
Concord, CA 94520

2280 Diamond Blvd Ste 5207.45 miles

2280 Diamond Blvd Ste 520
Concord, CA 94520

2477 Pacheco St7.80 miles

2477 Pacheco St
Concord, CA 94520

5167 Clayton Rd Ste H7.81 miles

5167 Clayton Rd Ste H
Concord, CA 94521

2425 East Street, Suite 67.90 miles

2425 East Street, Suite 6
Concord, CA 94520

2540 East St7.96 miles

2540 East St
Concord, CA 94520

2301 Camino Ramon Ste 1088.27 miles

2301 Camino Ramon Ste 108
San Ramon, CA 94583

6001 Norris Canyon Rd Ste 1428.39 miles

6001 Norris Canyon Rd Ste 142
San Ramon, CA 94583

5601 Norris Canyon Rd Ste 1408.39 miles

5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

1805 Arnold Dr8.72 miles

1805 Arnold Dr
Martinez, CA 94553

827 Arnold Dr Ste 709.30 miles

827 Arnold Dr Ste 70
Martinez, CA 94553

200 Muir Rd Hacienda Bldg, 1st Floor9.51 miles

200 Muir Rd Hacienda Bldg, 1st Floor
Martinez, CA 94553

3237 Alhambra Ave Ste 29.87 miles

3237 Alhambra Ave Ste 2
Martinez, CA 94553

1517 Grand Ave10.51 miles

1517 Grand Ave
Piedmont, CA 94611

2450 Ashby Ave10.83 miles

2450 Ashby Ave
Berkeley, CA 94705

4069 Piedmont Ave Ste 91010.95 miles

4069 Piedmont Ave Ste 910
Oakland, CA 94611

3701 Broadway Fl 511.28 miles

3701 Broadway Fl 5
Oakland, CA 94611

3300 Webster St, Ste 111011.51 miles

3300 Webster St, Ste 1110
Oakland, CA 94609

350 Hawthorne Ave11.58 miles

350 Hawthorne Ave
Oakland, CA 94609

7817 Oakport St11.58 miles

7817 Oakport St
Oakland, CA 94621

7901 Oakport St Ste 4950 2nd Floor11.60 miles

7901 Oakport St Ste 4950 2nd Floor
Oakland, CA 94621

13939 E 14th St11.67 miles

13939 E 14th St
San Leandro, CA 94578

401 Roland Way Ste 20511.93 miles

401 Roland Way Ste 205
Oakland, CA 94621

20400 Lake Chabot Rd Ste 101,12.09 miles

20400 Lake Chabot Rd Ste 101,
Castro Valley, CA 94546

1700 Broadway Ste 31012.25 miles

1700 Broadway Ste 310
Oakland, CA 94612

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.

Castle Hill DNA Testing

DNA Testing Services Available at Our Castle Hill, CA Labs:

Accredited Drug Testing in Castle Hill, CA, offers comprehensive DNA testing services to meet diverse needs, from verifying parentage for legal matters to exploring ancestry. Our DNA tests foster clearer familial understanding, build stronger ties, and comply with legal standards.

Testing Types Available:

Legal DNA Testing

We offer DNA tests compliant with legal standards, suitable for court cases such as custody, support, and immigration. These tests provide court-admissible results, ensuring reliability in legal disputes and decision-making.

Non-Legal DNA Testing

Our non-legal DNA testing services cater to personal inquiries like ancestry and health. These tests offer insights into genetic heritage and personal biology, helping individuals understand their genetic makeup and history.

AABB Certified Labs

How Our DNA Testing Works

To begin DNA testing in Castle Hill, CA, contact our center to schedule your appointment. A certified collection specialist will guide you through a simple sample collection process, ensuring secure transfer to our accredited laboratories.

In our AABB-accredited labs, genetic markers are analyzed with advanced DNA sequencing tools. This thorough evaluation provides highly accurate results. Results are then prepared and securely delivered to clients within 3-5 days.

Your easy access to reliable DNA testing is ensured by our efficient processes in Castle Hill, CA, from sample collection to swift, confidential results delivered directly to you with court-admissible or personal use documentation.

Accuracy and Reliability

Our DNA testing is renowned for its precision, employing certified AABB-accredited labs and rigorous quality controls to ensure dependable results. Every test adheres to strict protocols for maximum reliability.

Accredited Drug Testing prioritizes DNA sequencing accuracy through validated processes and certified practitioners. This ensures that our clients receive results they can trust, backed by decades of industry expertise.

AABB Certified Labs

Common Reasons for DNA Testing in Castle Hill

Establishing parentage for custody/support.
Through precise DNA testing, we provide undeniable evidence of parentage crucial for custody and support cases, aiding judicial decisions with dependable, court-admissible results on family dynamics and financial responsibilities.

Confirming familial relationships.
DNA testing precisely confirms familial links among siblings, grandparents, and other relatives. Trusted genetic outcomes offer peace of mind, resolve inheritance disputes, and strengthen family bonds through verified ties.

Immigration cases requiring proof of biological relationships.
In immigration matters, DNA testing provides definite determination of familial links essential for visa and citizenship processes. Legal genetic tests accepted by authorities expedite family unifications and administrative procedures.

Adoption cases or identifying unknown biological relatives.
Our DNA tests help adoptees discover biological relatives, providing meaningful insights into genetic ancestry, aiding in emotional closure, familial health histories, and enhancing identity understanding.

Genealogy and ancestry exploration.
Explore your ethnic heritage and distant relatives through genealogical DNA testing. It enriches personal histories by revealing ancestry details, connecting you to cultural roots, and uncovering migration histories.

Castle Hill Legal and Court-Admissible Testing

Our DNA testing solutions meet local legal standards in Contra Costa County, assuring accuracy and admissibility in family law. Rigorous chain-of-custody protocols ensure that results are court-recognized and legitimate for proceedings in Castle Hill, CA.

For custody and family legal concerns in Castle Hill, CA, verifying biological links is fundamental. Our certified DNA tests adhere strictly to Contra Costa County legal standards, with thorough documentation to confirm authentic sample integrity and legal protection.

Our DNA services align with Contra Costa County regulations, providing clarity in intricate family law issues. Residents of Castle Hill, CA, rely on our comprehensive tests and legal documentation to resolve custody, inheritance, and paternity cases effectively.

Castle Hill California Community Resources

Contra Costa County Superior Court
Handles legal disputes including family law cases where DNA test results are essential for proceedings.

Contra Costa County Health Services
Provides vital statistics and health resources in the area, supportive in DNA-related health inquiries.

Castle Hill Family Law Attorneys
Professional legal services for family law matters, ensuring representation informed by accurate DNA testing results.

USCIS San Francisco Field Office
Immigration office handling cases where DNA testing is required for verification of relationships.

Genealogical Research & Documentation
Specialized in assisting with ancestry documentation for legal or personal research needs.

Local Legal Aid Services
Offers assistance and resources for navigating the legal requirements of DNA evidence in family cases.

Castle Hill Drug Testing

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

Castle Hill DOT Drug Testing

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

Castle Hill DNA Testing

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

Castle Hill Industry Training

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

Castle Hill Hair Drug Testing

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

Castle Hill Alcohol Testing

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

Castle Hill Drug Testing Services

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

Castle Hill 5 Panel Drug Test

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

Castle Hill 10 Panel Drug Test

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

Castle Hill On Site Drug Testing

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

Castle Hill DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Castle Hill, 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