DNA Testing Locations - Guilford, MD

Paternity, Child Custody, Court

With 40 testing centers in the Guilford 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.

40 DNA-Testing Centers in Guilford

Minutes Away, Test Today

6656 Dobbin Rd

1.15 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
6656 Dobbin Rd
Columbia, MD 21045

6785 Business Pkwy

3.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6785 Business Pkwy
Elkridge, MD 21075

7377 Washington Blvd Ste 101-102

3.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7377 Washington Blvd Ste 101-102
Elkridge, MD 21075

8768 Susini Dr

3.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8768 Susini Dr
Laurel, MD 20723

11055 Little Patuxent Pkwy, Suite 202

4.24 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-3:30 PM • Sat: 7:00 AM-9:00 AM✓ Walk-in with Electronic Donor Pass
11055 Little Patuxent Pkwy, Suite 202
Columbia, MD 21044

On-site Only

4.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
On-site Only
Laurel, MD 20724

P. O. Box 376

5.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
P. O. Box 376
Laurel, MD 20725

3676 Alpen Greenway

6.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3676 Alpen Greenway
Burtonsville, MD 20866

9055 Chevrolet Dr Ste 101,

7.27 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:30 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
9055 Chevrolet Dr Ste 101,
Ellicott City, MD 21043

9396d Baltimore National Pike

7.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9396d Baltimore National Pike
Ellicott City, MD 21042

5822 Oakland Rd

8.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5822 Oakland Rd
Halethorpe, MD 21227

13823 Outlet Dr

8.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13823 Outlet Dr
Silver Spring, MD 20904

701 Digital Drive Ste L

9.05 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM⚡ Drug Screens: Mon–Fri: 07:00 AM - 02:00 PM
701 Digital Drive Ste L
Linthicum Heights, MD 21090

4807 Benson Ave

9.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4807 Benson Ave
Baltimore, MD 21227

1419 Knecht Ave

9.98 mi
🕑 Testing Hours: M-Sun: 24 hrs✓ Walk-in with Electronic Donor Pass
1419 Knecht Ave
Baltimore, MD 21227

811 Cromwell Park Dr Ste 104

10.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
811 Cromwell Park Dr Ste 104
Glen Burnie, MD 21061

5411 Old Frederick Rd Ste 9,

10.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5411 Old Frederick Rd Ste 9,
Baltimore, MD 21229

808 Landmark Dr Ste 116

10.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
808 Landmark Dr Ste 116
Glen Burnie, MD 21061

4729 Sellman Rd

10.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4729 Sellman Rd
Beltsville, MD 20705

2 East Rolling Crossroads, Suite 51

10.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 East Rolling Crossroads, Suite 51
Catonsville, MD 21228

802 Cromwell Park Dr Ste H-cromwell Business Park

10.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
802 Cromwell Park Dr Ste H-cromwell Business Park
Glen Burnie, MD 21061

10452 Baltimore Ave

10.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10452 Baltimore Ave
Beltsville, MD 20705

2701 W Patapsco Ave Ste 225

11.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2701 W Patapsco Ave Ste 225
Baltimore, MD 21230

200 Hospital Dr Ste 103,

11.47 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-2:30 PM • Sat: 7:00 AM-9:30 AM✓ Walk-in with Electronic Donor Pass
200 Hospital Dr Ste 103,
Glen Burnie, MD 21061

408 Headquarters Dr Ste 3-b

11.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
408 Headquarters Dr Ste 3-b
Millersville, MD 21108

18111 Prince Philip Dr, Ste T12

12.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
18111 Prince Philip Dr, Ste T12
Olney, MD 20832

7933 Belle Point Dr

12.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7933 Belle Point Dr
Greenbelt, MD 20770

6201 Greenbelt Rd, Suite M3

12.64 mi
🕑 Facility: Mon–Fri: 07:00 AM - 04:00 PM⚡ Drug Screens: Mon–Fri: 09:00 AM - 02:00 PM
6201 Greenbelt Rd, Suite M3
College Park, MD 20740

10117 Palamar Dr

12.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10117 Palamar Dr
Lanham, MD 20706

2300 Garrison Blvd Ste 206,

12.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2300 Garrison Blvd Ste 206,
Baltimore, MD 21216

5400 Old Court Rd Ste 102,

13.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5400 Old Court Rd Ste 102,
Randallstown, MD 21133

726 Light St

13.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
726 Light St
Baltimore, MD 21230

100 S Charles St Ste 150

14.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 S Charles St Ste 150
Baltimore, MD 21201

12200 Annapolis Rd, Suite 120

14.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12200 Annapolis Rd, Suite 120
Glenn Dale, MD 20769

2401 W Belvedere Ave Hoffberger Ste 54

14.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2401 W Belvedere Ave Hoffberger Ste 54
Baltimore, MD 21215

1812 Bolton St Apt 3

14.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1812 Bolton St Apt 3
Baltimore, MD 21217

11002 Veirs Mill Rd Ste 700

14.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11002 Veirs Mill Rd Ste 700
Wheaton, MD 20902

1650 Union Ave

15.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1650 Union Ave
Baltimore, MD 21211

4451 Parliament Pl Ste G

15.26 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
4451 Parliament Pl Ste G
Lanham, MD 20706

9801 Georgia Ave Ste 222

15.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9801 Georgia Ave Ste 222
Silver Spring, MD 20902

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.

Guilford DNA Testing

DNA Testing Services Available at Our Guilford, MD Labs:

In Guilford, MD, Accredited Drug Testing offers a comprehensive suite of DNA testing services, purposefully designed to illuminate various aspects of genetic relationships. Whether it’s resolving legal matters or unveiling ancestral roots, our exceptional genetic testing, grounded in scientific precision, provides the clarity and insight needed for personal and legal decisions. With our services, you gain the benefit of authoritative testing standards, strategically located facilities for your convenience, and rapid result turnaround times. Whatever your genetic exploration needs may be, we are committed to delivering accurate, secure, and ethically sound DNA analysis to help you navigate your unique path with confidence.

Testing Types Available:

Legal DNA Testing

Our Legal DNA Testing complies with strict legal standards for court acceptability, providing precise evidence for matters like custody disputes and immigration cases to ensure definitive legal and relational clarity.

Non-Legal DNA Testing

Non-Legal DNA Testing offers an affordable route for personal discovery, allowing exploration of ancestry and genetics without the necessity of legal requirements, while maintaining privacy and accuracy.

How Our DNA Testing Works

Begin your DNA test by visiting any of our accessible Guilford, MD locations. Our staff will guide you through the non-invasive sample collection process, ensuring comfort and confidentiality throughout your visit.

Once the samples are collected, they are analyzed in state-of-the-art labs. Using advanced techniques like DNA sequencing and profiling, we meticulously evaluate genetic markers.

Within three to five days, expect to receive your comprehensive results. Our streamlined process guarantees quick, solid insights into your genetic profile, empowering informed decisions.

Accuracy and Reliability

Our DNA tests stand out for their high accuracy, trusted worldwide due to strict quality control and collaboration with AABB-accredited laboratories that ensure every analysis meets rigorous scientific standards.

Accredited Drug Testing's commitment to excellence is clear in enforced certifications and precision protocols, assuring clients of reliable results that they can trust for all genetic inquiries.

Common Reasons for DNA Testing in Guilford

Establishing parentage for custody/support.
DNA testing provides essential clarity in custody and support cases, supplying irrefutable, court-admissible evidence of genetic relationships. This critical information assists judges in distributing parental obligations and securing financial arrangements responsibly.

Confirming familial relationships.
Resolving questions of kinship, DNA tests bring certainty to familial ties between siblings, grandparents, and others. The trusted results foster solidified family connections, resolve inheritance matters, and offer peace of mind with scientifically verified lineage.

Immigration cases requiring proof of biological relationships.
In immigration proceedings, DNA tests play a crucial role in confirming the biological ties necessary for visa or citizenship approval. These legal genetic proofs are accepted by immigration bodies, smoothening the path for family reunifications by reducing red tape.

Adoption cases or identifying unknown biological relatives.
In adoption searches, DNA testing serves as a vital tool for connecting adoptees with biological relatives, providing essential insight into personal genetic history, facilitating closure, and promoting understanding of one's heritage.

Genealogy and ancestry exploration.
Focusing on ancestry, DNA testing reveals ethnic origins, distant familial connections, and enriches cultural narratives. This exploration into one’s historical lineage supports a greater appreciation and comprehension of personal and family heritage.

Guilford Legal and Court-Admissible Testing

Our DNA testing procedures adhere strictly to legal standards within Howard County, assuring courts in Guilford, MD of accurate and admissible results. By maintaining a rigorous chain-of-custody, our accredited laboratories deliver credible outcomes for legal matters.

In Guilford, MD, precise determination of familial bonds is crucial in legal disputes. Our DNA testing services comply with Howard County courts’ exacting standards, providing detailed documentation to validate sample authenticity and uphold the integrity of legal results.

Aligned closely with Howard County court requirements, Accredited Drug Testing supports Guilford families with reliable DNA testing in family law issues. Our methodical processes, backed by court-accepted documentation, aid in the fair resolution of custody disputes and related matters.

Guilford Maryland Community Resources

Maryland Family Law Firm
Expert counsel for family law, resolving custody, support, and adoption cases.

Howard County Health Department
Public health services supporting family and wellness needs.

USCIS Maryland Field Office
Immigration services for citizenship, visas, and family reunification processes.

Howard County Circuit Court
Local court handling cases including family law and custody disputes.

AVALON YEARGIN LAW, LLC
Specialized family law attorneys serving Howard County and surrounding regions.

Howard County Government
Local government resources and support services for residents.

Guilford Drug Testing

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

Guilford DOT Drug Testing

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

Guilford DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Guilford, MD.

Guilford Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Guilford, MD.v

Guilford Hair Drug Testing

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

Guilford Alcohol Testing

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

Guilford Drug Testing Services

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

Guilford 5 Panel Drug Test

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

Guilford 10 Panel Drug Test

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

Guilford On Site Drug Testing

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

Guilford DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Guilford, MD 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

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

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

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

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

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

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

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


(800) 221-4291