DNA Testing Locations - San Marcos, TX

Paternity, Child Custody, Court

With 31 testing centers in the San Marcos 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.

31 DNA-Testing Centers in San Marcos

Minutes Away, Test Today

301 N Guadalupe St

0.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 N Guadalupe St
San Marcos, TX 78666

915 Highway 80

0.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
915 Highway 80
San Marcos, TX 78666

900 Bugg Ln Ste 210

1.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
900 Bugg Ln Ste 210
San Marcos, TX 78666

1348 N State Highway 123 Ste A

1.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1348 N State Highway 123 Ste A
San Marcos, TX 78666

1301 Wonder World Dr

2.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1301 Wonder World Dr
San Marcos, TX 78666

1305 Wonder World Dr

2.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1305 Wonder World Dr
San Marcos, TX 78666

135 Bunton Creek Rd Ste 100

9.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
135 Bunton Creek Rd Ste 100
Kyle, TX 78640

501 Old Kyle Rd

11.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
501 Old Kyle Rd
Wimberley, TX 78676

1941 S Interstate 35 Ste 113

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1941 S Interstate 35 Ste 113
San Marcos, TX 78666

2000 S Interstate 35 Ste N5

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 S Interstate 35 Ste N5
Round Rock, TX 78681

110 N Interstate 35 Ste 315-170

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 N Interstate 35 Ste 315-170
Round Rock, TX 78681

10001 S Interstate 35 Ste 300

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10001 S Interstate 35 Ste 300
Austin, TX 78747

110 N Interstate 35 Ste 260

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 N Interstate 35 Ste 260
Round Rock, TX 78681

3910 S Interstate 35 Ste 300

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3910 S Interstate 35 Ste 300
Austin, TX 78704

2900 S Interstate 35 Ste 110

12.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2900 S Interstate 35 Ste 110
Austin, TX 78704

118 Trademark St

14.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
118 Trademark St
Buda, TX 78610

1528 Common St Ste 6

14.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1528 Common St Ste 6
New Braunfels, TX 78130

155 Cimarron Park Loop Ste A

14.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
155 Cimarron Park Loop Ste A
Buda, TX 78610

112 Cimarron Park Loop Ste A

14.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
112 Cimarron Park Loop Ste A
Buda, TX 78610

1050 N Ih 35

15.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1050 N Ih 35
New Braunfels, TX 78130

965 N Walnut Ave Ste 500a

15.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
965 N Walnut Ave Ste 500a
New Braunfels, TX 78130

5 Professional Plz

15.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5 Professional Plz
Lockhart, TX 78644

160 Creekside Way

15.91 mi
🕑 Testing Hours: M-Sun: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
160 Creekside Way
New Braunfels, TX 78130

300 S Colorado St Ste A

16.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 S Colorado St Ste A
Lockhart, TX 78644

1659 W State Highway 46 Ste 160

17.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1659 W State Highway 46 Ste 160
New Braunfels, TX 78132

1329 W San Antonio St

17.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1329 W San Antonio St
New Braunfels, TX 78130

14100 Ranch Rd Ste 900

20.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14100 Ranch Rd Ste 900
Wimberley, TX 78676

1375 E Walnut St

21.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1375 E Walnut St
Seguin, TX 78155

401 W Slaughter Ln Ste 300

21.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 W Slaughter Ln Ste 300
Austin, TX 78748

1347 E Court St

21.73 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1347 E Court St
Seguin, TX 78155

1215 E Court St

21.73 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
1215 E Court St
Seguin, TX 78155

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.

San Marcos DNA Testing

DNA Testing Services Available at Our San Marcos, TX Labs:

Discover peace of mind through comprehensive DNA testing services in San Marcos, TX, offered by Accredited Drug Testing. Whether you seek court-admissible evidence for family law issues or wish to explore your ancestry, we are your trusted partner. With certified specialists conducting genetic testing in secure facilities, you can expect accurate and reliable results tailored to your unique needs. Our wide array of services includes paternity tests, ancestry investigations, and prenatal screenings, all designed to instill confidence and clarity. Explore your genetic heritage, confirm biological ties, or resolve legal matters with precision and confidentiality. We commit to providing the most accurate DNA analysis to help you answer life's important questions, efficiently and discreetly.

Testing Types Available:

Legal DNA Testing

Our Legal DNA Testing offers robust, court-admissible documentation for legal proceedings, including custody, support cases, and immigration applications. Rely on our tested processes to establish biological relationships with accuracy and legal certainty.

Non-Legal DNA Testing

For a broad spectrum of personal inquiries, our Non-Legal DNA Testing offers insights into ancestry, health markers, and familial connections without court documentation. Discover your genetic history and health traits with flexible options, tailored to personal exploration.

How Our DNA Testing Works

Start your DNA testing journey by visiting one of our San Marcos, TX collection centers. Our certified specialists will guide you through a straightforward, non-invasive sample collection process in a confidential setting.

Once your sample is collected, it is analyzed in our state-of-the-art laboratory. Our expert technicians employ advanced DNA sequencing techniques to ensure precise results, monitoring the process closely for accuracy.

Receive your comprehensive DNA test results in just 3-5 days. Our team ensures confidentiality and clarity in every step, providing you with the insights you need promptly and efficiently.

Accuracy and Reliability

With our commitment to precision, Accredited Drug Testing ensures superior DNA test accuracy through ethical regulations, industry-leading accreditations, and stringent quality control measures designed to provide unbeatable results.

Our labs maintain the highest certifications and conform to established protocols, guaranteeing the reliability of every test. Certified AABB labs attest to our dedication to accuracy and dependability in genetic testing.

Common Reasons for DNA Testing in San Marcos

Establishing parentage for custody/support.
In custody and support cases, DNA testing serves as vital court-admissible proof of parentage, allowing judges to make informed decisions that assign appropriate responsibilities and establish reliable support terms.

Confirming familial relationships.
Genealogical DNA tests provide clear confirmation of familial ties, helping settle questions about connections with siblings, grandparents, or other relatives. These trusted genetic markers offer reassurance and help preserve familial bonds.

Immigration cases requiring proof of biological relationships.
When handling immigration documentation, DNA testing offers definitive proof of familial relationships, expediting visa and citizenship applications. Legal DNA test results are accepted by authorities, facilitating swift family reunification.

Adoption cases or identifying unknown biological relatives.
Uncovering biological links in adoption cases, DNA testing aids adoptees in understanding their genetic background, offering essential information for personal closure and emotional healing while cementing connections to their genetic heritage.

Genealogy and ancestry exploration.
Delve into your ancestral roots with DNA testing focused on genealogy. Discover insights into ethnic backgrounds, lineage, and long-lost relatives while fostering a deeper connection to your cultural and familial heritage.

San Marcos Legal and Court-Admissible Testing

Our DNA tests in Hays County comply with legal standards, ensuring outcomes are valid and court-admissible within family law proceedings. We adhere to strict chain-of-custody procedures for trustworthy analysis at our accredited labs, solidifying our status as a trusted choice in San Marcos, TX.

In San Marcos' family law proceedings, verifying biological relationships is imperative. Our certified DNA analysis methods are meticulously aligned with Hays County judicial requirements, delivering comprehensive documentation that upholds the validity and legal stature of each test outcome.

Conforming to Hays County's court regulations, our DNA testing services in San Marcos give families peace of mind in resolving intricate family law cases. Detailed testing and clear documentation underpin a fair approach to custody conflicts, inheritance issues, and paternity verifications.

San Marcos Texas Community Resources

Hays County Court
Handles family law cases, providing legal support and enforceable judgments for custody, support, and familial disputes in San Marcos, TX.

Martinson & Beason, P.C.
Specializing in family law, this firm offers professional guidance on legal cases, including custody and paternity matters in Hays County.

U.S. Citizenship and Immigration Services
Adjudicates immigration claims requiring DNA testing to substantiate familial relationships for visa and citizenship processing.

Law Office of Thomas G. Kemmy
Family law practitioners in San Marcos offering legal expertise in paternity disputes, custody issues, and estate settlement cases.

Hays County Health Department
Providing community health resources, including vital record services relevant to DNA testing and genetic profiling.

Texas State Archives
Access historical records and documents that may assist in genealogical research and verification of familial histories.

San Marcos Drug Testing

Quickly find trusted local drug testing centers in San Marcos, TX — fast, convenient, and reliable every time!

San Marcos DOT Drug Testing

Quickly find a local DOT drug testing center in San Marcos, TX — fast, reliable, convenient nationwide service!

San Marcos DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around San Marcos, TX.

San Marcos Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in San Marcos, TX.v

San Marcos Hair Drug Testing

Get fast, accurate hair drug testing at our convenient San Marcos, TX locations—results you can trust, every time!

San Marcos Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in San Marcos, TX.

San Marcos Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in San Marcos, TX.

San Marcos 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by San Marcos, TX employers and individuals nationwide.

San Marcos 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for San Marcos, TX workplace and personal testing needs.

San Marcos On Site Drug Testing

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

San Marcos DOT Physicals

Certified DOT physicals with quick, reliable exams to keep San Marcos, TX 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

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

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


(800) 221-4291