DNA Testing Locations - Tomales, CA

Paternity, Child Custody, Court

With 34 testing centers in the Tomales area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

34 DNA-Testing Centers in Tomales

Minutes Away, Test Today

652 Petaluma Ave Ste C

11.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
652 Petaluma Ave Ste C
Sebastopol, CA 95472

6800 Palm Avenue, Suite G

11.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6800 Palm Avenue, Suite G
Sebastopol, CA 95472

6025 Labath Ave Ste 104

12.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6025 Labath Ave Ste 104
Rohnert Park, CA 94928

6174 State Farm Dr

13.02 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
6174 State Farm Dr
Rohnert Park, CA 94928

5900 State Farm Dr

13.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5900 State Farm Dr
Rohnert Park, CA 94928

1370 Medical Center Dr Ste B

13.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1370 Medical Center Dr Ste B
Rohnert Park, CA 94928

709 Petaluma Blvd N

14.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
709 Petaluma Blvd N
Petaluma, CA 94952

153 Lynch Creek Way

14.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
153 Lynch Creek Way
Petaluma, CA 94954

151 Lynch Creek Way

14.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
151 Lynch Creek Way
Petaluma, CA 94954

400 N Mcdowell Blvd

14.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 N Mcdowell Blvd
Petaluma, CA 94954

1550 Professional Drive, Suite B

14.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1550 Professional Drive, Suite B
Petaluma, CA 94954

1287 Fulton Rd

15.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1287 Fulton Rd
Santa Rosa, CA 95401

1221 N Dutton Ave

16.92 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1221 N Dutton Ave
Santa Rosa, CA 95401

349 College Ave

17.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
349 College Ave
Santa Rosa, CA 95401

990 Sonoma Ave,

17.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
990 Sonoma Ave,
Santa Rosa, CA 95404

3900 Lakeville Hwy

17.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3900 Lakeville Hwy
Petaluma, CA 94954

1111 Sonoma Ave Ste 121

17.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1111 Sonoma Ave Ste 121
Santa Rosa, CA 95405

3975 Old Redwood Hwy Ste 152

18.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3975 Old Redwood Hwy Ste 152
Santa Rosa, CA 95403

3650 Westwind Blvd Po Box 5680

19.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3650 Westwind Blvd Po Box 5680
Santa Rosa, CA 95403

20 Elaine Dr

19.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20 Elaine Dr
Santa Rosa, CA 95409

8465 Old Redwood Hwy Ste 400

21.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8465 Old Redwood Hwy Ste 400
Windsor, CA 95492

180 Rowland Way

21.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
180 Rowland Way
Novato, CA 94945

347 Andrieux St

24.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
347 Andrieux St
Sonoma, CA 95476

99 Montecillo Rd Mob 1

24.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
99 Montecillo Rd Mob 1
San Rafael, CA 94903

421 March Ave, Ste C

26.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
421 March Ave, Ste C
Healdsburg, CA 95448

1375 University St

26.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1375 University St
Healdsburg, CA 95448

1125 Sir Francis Drake Blvd Ste N

27.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1125 Sir Francis Drake Blvd Ste N
Kentfield, CA 94904

250 Bon Air Rd

28.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
250 Bon Air Rd
Greenbrae, CA 94904

1300 South Eliseo Drive, Suite 101

28.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1300 South Eliseo Drive, Suite 101
Greenbrae, CA 94904

1321 S Eliseo Dr 1st Fl

28.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1321 S Eliseo Dr 1st Fl
Greenbrae, CA 94904

1220 S Eliseo Dr

28.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1220 S Eliseo Dr
Greenbrae, CA 94904

25 Bellam Blvd Ste 101

29.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
25 Bellam Blvd Ste 101
San Rafael, CA 94901

2 Fifer Ave Ste 130

29.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Fifer Ave Ste 130
Corte Madera, CA 94925

101 Casa Buena Dr

30.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
101 Casa Buena Dr
Corte Madera, CA 94925

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.

Tomales DNA Testing

DNA Testing Services Available at Our Tomales, CA Labs:

In Tomales, CA, our DNA testing services offer unparalleled insights into genetic relationships and ancestry, providing crucial data for personal, legal, or health-related purposes. Accredited Drug Testing ensures precision and privacy at accessible local testing sites, aiding in everything from paternity and sibling tests to ancestry and genealogy exploration. Our expertise in genetic analysis and court-admissible DNA testing supports diverse needs, from family law to immigration processes. With a focus on high accuracy and accreditation, our tests deliver trusted results that help families and individuals make informed decisions regarding their genetic background and legal matters.

Testing Types Available:

Legal DNA Testing

Legal DNA Testing offers reliable proof of familial relationships for court proceedings, including custody, support, and immigration cases. Our AABB-accredited results ensure acceptance by courts and authorities, affirming their authenticity and legal integrity.

Non-Legal DNA Testing

Non-Legal DNA Testing provides personal insights into heritage or health, using advanced genetic analysis to explore ancestry, verify relationships, or assess health risks. Though informative, these tests lack the chain-of-custody required for legal use.

How Our DNA Testing Works

Begin at our Tomales, CA collection center with a simple swab sample collection, conducted by certified professionals. This ensures accuracy in the initial step of the genetic testing process.

Samples are sent to our AABB-certified labs for detailed DNA sequencing and analysis, using state-of-the-art technology to uncover genetic markers.

Receive your comprehensive results in just 3-5 days, presented clearly to aid in understanding your genetic information or addressing your legal requirements.

Accuracy and Reliability

Our DNA testing services uphold stringent accuracy standards, employing AABB-accredited labs and meticulous quality control measures to ensure highly dependable results, meeting both personal and legal needs.

Through certified procedures and adherence to rigorous guidelines, we ensure our DNA test results are impeccably accurate and reliable, providing confidence in every genetic analysis we offer.

Common Reasons for DNA Testing in Tomales

Establishing parentage for custody/support.
Paternity testing delivers conclusive proof of parentage, aiding judges in custody and support cases to establish appropriate responsibilities and financial commitments through irrefutable genetic evidence.

Confirming familial relationships.
Utilizing comprehensive genetic markers, DNA testing authenticates familial ties, settling questions of sibling or grandparent relationships. Such reliable results are pivotal in inheritance matters and fortifying family bonds.

Immigration cases requiring proof of biological relationships.
DNA evidence is critical in immigration cases, confirming family ties necessary for visas and citizenship. Legal DNA tests offer unquestionable proof, helping families reunite more efficiently by complying with immigration standards.

Adoption cases or identifying unknown biological relatives.
Our DNA tests aid adoptees by revealing unknown biological relatives, extending vital information on genetic heritage and health history, which facilitates emotional closure and personal identity discovery.

Genealogy and ancestry exploration.
Ancestry testing delves into your genetic origins, unearthing historical migratory paths and ethnic lineage. Enhance your understanding of cultural roots and familial pedigree with our sophisticated genealogy DNA profiling.

Tomales Legal and Court-Admissible Testing

Our DNA testing services comply with rigorous court standards in Marin County, ensuring admissible results in legal matters. Using strict chain-of-custody protocols, our tests in Tomales, CA are conducted in accredited labs for reliable and recognized results.

Courts in Tomales, CA, prioritize accurate familial relationship verification for legal decisions. Our certified DNA testing follows Marin County's legal directives precisely, backing results with comprehensive documentation and securing your legal interests.

Aligning with Marin County regulations, our DNA testing ensures clarity in family law cases. Families in Tomales, CA, benefit from our comprehensive procedures and legally valid documentation to resolve issues like custody and paternity claims effectively.

Tomales California Community Resources

Marin County Bar Association
Connects you with local family law attorneys knowledgeable about DNA testing implications in legal cases.

Marin Immigration Lawyers
Offers expertise in handling DNA evidence for immigration cases, ensuring legally sound advice and representation.

Marin County Superior Court
Your source for understanding court processes regarding paternity and family law issues in Marin County.

Marin Health and Human Services
Provides resources and information on family health implications of DNA testing results in Marin County.

Marin County Sheriff's Office
Contact for forensic DNA testing in legal investigations and criminal cases within the county.

Marin Legal Center
Resource for legal advice on the use of DNA testing in custody and family law cases in Tomales.

Tomales Drug Testing

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

Tomales DOT Drug Testing

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

Tomales DNA Testing

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

Tomales Industry Training

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

Tomales Hair Drug Testing

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

Tomales Alcohol Testing

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

Tomales Drug Testing Services

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

Tomales 5 Panel Drug Test

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

Tomales 10 Panel Drug Test

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

Tomales On Site Drug Testing

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

Tomales DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Tomales, 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

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Very helpful

They were very helpful in finding a place to get tested on the route back home! They made a difficult time seem easy with no judgement!

Anne Creden - 11/19/2024

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024


(800) 221-4291