DNA Testing Locations - McNair, TX

Paternity, Child Custody, Court

With 32 testing centers in the Mcnair 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.

32 DNA-Testing Centers in McNair

Minutes Away, Test Today

610 S Main St

2.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
610 S Main St
Highlands, TX 77562

1658 W Baker Rd Ste A

3.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1658 W Baker Rd Ste A
Baytown, TX 77521

1610 W Baker Rd Ste B

3.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1610 W Baker Rd Ste B
Baytown, TX 77521

4401 Garth Rd

3.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4401 Garth Rd
Baytown, TX 77521

4002 Garth Rd Ste 150

3.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4002 Garth Rd Ste 150
Baytown, TX 77521

2802 Garth Rd Ste 213,

4.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2802 Garth Rd Ste 213,
Baytown, TX 77521

2800 Garth Rd

4.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2800 Garth Rd
Baytown, TX 77521

2610 N Alexander Dr

5.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2610 N Alexander Dr
Baytown, TX 77520

1700 James Bowie Dr

6.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 James Bowie Dr
Baytown, TX 77520

1515 N Alexander Dr Ste 115

6.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1515 N Alexander Dr Ste 115
Baytown, TX 77520

102 W 2nd St

9.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 W 2nd St
Deer Park, TX 77536

125 E 8th St

9.16 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
125 E 8th St
Deer Park, TX 77536

1430 Center St

9.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1430 Center St
Deer Park, TX 77536

13601 Woodforest Blvd

9.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13601 Woodforest Blvd
Houston, TX 77015

1803 Center St Ste A

9.70 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1803 Center St Ste A
Deer Park, TX 77536

9235 N Highway 146 Ste 5a

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9235 N Highway 146 Ste 5a
Mont Belvieu, TX 77523

9235 N Highway 146 Ste 4

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9235 N Highway 146 Ste 4
Baytown, TX 77523

2106 Center St

9.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2106 Center St
Deer Park, TX 77536

126 W San Augustine St

10.08 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
126 W San Augustine St
Deer Park, TX 77536

13469 East Fwy

10.14 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
13469 East Fwy
Houston, TX 77015

2818 Center St

10.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2818 Center St
Deer Park, TX 77536

2910 Center St

10.24 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2910 Center St
Deer Park, TX 77536

321 W San Augustine St

10.36 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
321 W San Augustine St
Deer Park, TX 77536

1009 S Broadway St

10.40 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1009 S Broadway St
La Porte, TX 77571

1309 W Fairmont Pkwy Ste X

10.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1309 W Fairmont Pkwy Ste X
La Porte, TX 77571

1140 Westmont Dr Ste 505

10.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1140 Westmont Dr Ste 505
Houston, TX 77015

13125 East Fwy

10.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13125 East Fwy
Houston, TX 77015

1140 Westmont Dr Ste 510,

10.65 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
1140 Westmont Dr Ste 510,
Houston, TX 77015

13259 East Fwy

10.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13259 East Fwy
Houston, TX 77015

125 Sylvan St

10.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
125 Sylvan St
La Porte, TX 77571

7720 Spencer Hwy

11.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7720 Spencer Hwy
Pasadena, TX 77505

5141 Center St

11.46 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
5141 Center St
Pasadena, TX 77505

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.

McNair DNA Testing

DNA Testing Services Available at Our McNair, TX Labs:

In McNair, TX, Accredited Drug Testing provides a full scope of DNA testing services that cater to your unique needs. Whether you're looking to confirm paternal relations through a paternity test, delve into heritage with an ancestry testing, or need a forensic DNA test for legal purposes, our certified labs offer precision and accuracy. Our services, operating within Harris County standards, not only ensure DNA test accuracy through court-admissible DNA tests but also facilitate easy scheduling and confidentiality. With our legal DNA test services, resolving family law concerns related to custody, inheritance, or immigration becomes straightforward, as our documented procedures are trusted by local courts. The process can be as fast as a 3-5 day turnaround, ensuring you get timely answers, while our DNA analysis services leverage the latest genetic testing technology. Explore your genetic genealogy with confidence, aided by our compassionate experts at Accredited Drug Testing in McNair, TX.

Testing Types Available:

Legal DNA Testing

Our legal DNA tests provide court-admissible results for custody, immigration, and support cases, ensuring reliable proof of biological connections as required by law.

Non-Legal DNA Testing

Our non-legal DNA tests offer affordable insight into your ancestry, health, and potential hereditary conditions, designed for personal knowledge and family exploration.

How Our DNA Testing Works

The DNA testing process at our McNair, TX centers starts with easy sample collection, using non-invasive methods for prenatal DNA tests or cheek swabs for paternity testing.

Once collected, samples undergo thorough analysis using DNA sequencing and profiling at certified laboratories, ensuring the utmost accuracy in genetic markers.

Results from our DNA testing services, ranging from genealogical DNA tests to sibling DNA tests, are provided within 3 to 5 days, ensuring efficiency and confidentiality.

Accuracy and Reliability

Accredited Drug Testing ensures DNA test accuracy through AABB certification and consistent accreditation. Our DNA test cost covers comprehensive quality controls throughout.

Each DNA test undergoes stringent checks to meet legal standards in Harris County, reinforcing trust in our DNA test results and safeguarding sample integrity.

Common Reasons for DNA Testing in McNair

Establishing parentage for custody/support.
Our court-admissible DNA tests provide definitive genetic markers to verify parentage for custody and support cases. They deliver clear, scientifically-backed evidence needed for judicious decisions on legal responsibilities and financial arrangements.

Confirming familial relationships.
Genealogical DNA test services verify familial connections such as sibling or grandparental links. These tests, backed by trusted results, clarify blood ties, helping resolve inheritance debates and fostering familial unity.

Immigration cases requiring proof of biological relationships.
For immigration processes, legal DNA tests prove required familial links to expedite visa approvals. These court-admissible DNA tests facilitate family reunifications, meeting immigration regulations to reduce bureaucratic delays.

Adoption cases or identifying unknown biological relatives.
DNA health testing services aid adoptees in uncovering genetic ancestry. These tests are crucial for personal identity discovery, offering insight into family health histories, and aiding emotional closure. DNA sequencing sheds light on one's genetic makeup.

Genealogy and ancestry exploration.
With a focus on heritage, ancestry testing unveils ethnic roots and genealogical paths, enhancing cultural identity. Genetic genealogy tests interpret ancestral migrational paths, strengthening familial bonds with known and unknown relatives.

McNair Legal and Court-Admissible Testing

Our DNA testing complies with court standards in Harris County, ensuring admissible, dependable results for family law matters in McNair, TX. Accredited Drug Testing ensures accuracy using stringent chain-of-custody guidelines to safeguard the legal standing of your test results.

In McNair, precision in proving biological ties is vital for legal matters. Certified DNA testing services from Accredited Drug Testing meet Harris County’s lawful standards, supported by comprehensive documentation, ensuring your test's legal authenticity.

Adhering strictly to Harris County court norms, Accredited Drug Testing provides clarity in family law cases. Residents in McNair, TX trust our DNA profiling methods and thorough documentation for correctly resolving custodial conflicts and paternity issues.

McNair Texas Community Resources

Harris County Official Website
Provides information on legal regulations for DNA testing relevant to family law and legal matters.

Greater Houston Community Foundation
Offers resources for immigrant families including legal support and guidance.

Texas Law Help
Free legal resources offered for Texans seeking support on family law issues.

Houston Immigration Legal Services Collaborative
Helps navigate legal challenges for immigrants, aiding in cases requiring DNA confirmation.

Houston Legal Department
Offers comprehensive legal resources for Harris County residents requiring legal DNA tests.

Harris County Family Assistance program
Provides family support services including access to DNA test cost assistance.

McNair Drug Testing

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

McNair DOT Drug Testing

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

McNair DNA Testing

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

McNair Industry Training

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

McNair Hair Drug Testing

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

McNair Alcohol Testing

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

McNair Drug Testing Services

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

McNair 5 Panel Drug Test

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

McNair 10 Panel Drug Test

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

McNair On Site Drug Testing

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

McNair DOT Physicals

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

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025

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

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

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

Polite

I ran into a situation because the Guthrie had closed and I had to go to well care and they were right on it. I had no problems when I called to get connected with welcare everything worked out and I didn't even have to wait.they were polite and talked with the receptionist for me once I got them on the phone.

Sayre - 8/19/2024

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025


(800) 221-4291