DNA Testing Locations - Gresham, OR

Paternity, Child Custody, Court

With 33 testing centers in the Gresham 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.

33 DNA-Testing Centers in Gresham

Minutes Away, Test Today

1217 Ne Burnside Rd Ste 202

0.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1217 Ne Burnside Rd Ste 202
Gresham, OR 97030

2850 Se Powell Valley Rd Ste 104

1.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2850 Se Powell Valley Rd Ste 104
Gresham, OR 97080

22262 Ne Glisan St

2.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
22262 Ne Glisan St
Gresham, OR 97030

18750 Se Stark St

2.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
18750 Se Stark St
Portland, OR 97233

1350 Ne 122nd Ave

5.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1350 Ne 122nd Ave
Portland, OR 97230

16126 Se Hally Valley Town Ctr Dr Ste 201

5.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16126 Se Hally Valley Town Ctr Dr Ste 201
Happy Valley, OR 97086

12518 Ne Airport Way Ste 110

6.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12518 Ne Airport Way Ste 110
Portland, OR 97230

12003 Ne Ainsworth Cir Ste 103

6.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12003 Ne Ainsworth Cir Ste 103
Portland, OR 97220

11211 Se Sunnyside Rd

7.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11211 Se Sunnyside Rd
Clackamas, OR 97015

9200 Se 91st Ave, Suite 310

7.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9200 Se 91st Ave, Suite 310
Happy Valley, OR 97086

9290 Se Sunnybrook Blvd Ste 220

8.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9290 Se Sunnybrook Blvd Ste 220
Clackamas, OR 97015

11800 Se 82nd Ave

8.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11800 Se 82nd Ave
Portland, OR 97086

6645 Ne 78th Ct Ste C10

8.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6645 Ne 78th Ct Ste C10
Portland, OR 97218

14001 Se 1st St

9.55 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
14001 Se 1st St
Vancouver, WA 98684

315 Se Stone Mill Dr Ste 200

9.81 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM✓ Walk-in with Electronic Donor Pass
315 Se Stone Mill Dr Ste 200
Vancouver, WA 98684

17055 Ruben Ln

10.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17055 Ruben Ln
Sandy, OR 97055

2802 Se Steele St Ste 3

10.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2802 Se Steele St Ste 3
Portland, OR 97202

10150 Se 32nd Ave

10.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10150 Se 32nd Ave
Milwaukie, OR 97222

11818 Se Mill Plain Blvd Ste 408

10.25 mi
🕑 Testing Hours: M-Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
11818 Se Mill Plain Blvd Ste 408
Vancouver, WA 98684

11504 Se Mill Plain Blvd Ste C1

10.38 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM • Sat: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
11504 Se Mill Plain Blvd Ste C1
Vancouver, WA 98684

10951 Se 21st Ave

10.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10951 Se 21st Ave
Milwaukie, OR 97222

400 Ne Mother Joseph Pl

11.37 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
400 Ne Mother Joseph Pl
Vancouver, WA 98664

8614 E Mill Plain Boulevard, Suite 120

11.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8614 E Mill Plain Boulevard, Suite 120
Vancouver, WA 98664

1225 Ne 2nd Ave

11.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1225 Ne 2nd Ave
Portland, OR 97232

714 Sw Washington St

12.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
714 Sw Washington St
Portland, OR 97205

800 Sw 13th Ave

12.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 Sw 13th Ave
Portland, OR 97205

1750 Nw Naito Pkwy Ste 100

12.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1750 Nw Naito Pkwy Ste 100
Portland, OR 97209

1991 Upshur Street Ste Aa

12.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1991 Upshur Street Ste Aa
Portland, OR 97209

5501 Ne 109th Ct Ste E

12.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5501 Ne 109th Ct Ste E
Vancouver, WA 98662

2230 Nw Pettygrove Street, Suite 130

13.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2230 Nw Pettygrove Street, Suite 130
Portland, OR 97210

9430 Ne Vancouver Mall Dr

13.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9430 Ne Vancouver Mall Dr
Vancouver, WA 98662

9330 Ne Vancouver Mall Dr Ste 201

13.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9330 Ne Vancouver Mall Dr Ste 201
Vancouver, WA 98662

10350 N Vancouver Way

13.76 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
10350 N Vancouver Way
Portland, OR 97217

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.

Gresham DNA Testing

DNA Testing Services Available at Our Gresham, OR Labs:

In Gresham, OR, accredited DNA testing services by Accredited Drug Testing offer invaluable assistance for various needs, such as confirming parentage, resolving family disputes, and exploring ancestry. Whether you're addressing a legal issue, understanding your genealogy, or seeking personal insights, our comprehensive DNA services have you covered. Utilizing AABB-certified laboratories, we ensure unparalleled genetic analysis accuracy. Our local centers facilitate easy access to professional DNA testing services, tailored to provide precise and confidential results in just a few days. Rely on us to guide you in navigating DNA testing needs efficiently and effectively.

Testing Types Available:

Legal DNA Testing

Our legal DNA tests are recognized by courts for determining parentage and inheritance disputes, conducted with stringent chain-of-custody protocols to ensure accuracy.

We offer immigration DNA tests that meet government standards, verifying biological relationships for visas and citizenship applications with reliability.

Non-Legal DNA Testing

Our personal DNA tests cater to those seeking health insights, ancestry information, or peace of mind, all with exceptional accuracy and privacy guaranteed.

Our ancestry DNA tests delve into your ethnic background, uncovering family history and genetic heritage with precise results.

How Our DNA Testing Works

Visit one of our Gresham, OR collection centers where certified specialists will assist you in a simple DNA sample collection, typically using a quick cheek swab.

Your DNA samples are then sent to our AABB-accredited labs, where advanced equipment conducts thorough genetic sequencing and profiling.

In just 3-5 days, you'll receive your results, delivered securely and confidentially, providing clarity you can trust for any legal or personal inquiry.

Accuracy and Reliability

Our DNA testing excels in accuracy, adhering to the highest standards of AABB-accredited labs. We ensure exceptional precision through quality control measures and certified testing procedures.

By utilizing cutting-edge DNA sequencing and profiling technologies, we guarantee accurate genetic markers assessment, recognized for their reliability in revealing true biological relations.

Common Reasons for DNA Testing in Gresham

Establishing parentage for custody/support.
DNA testing provides indisputable evidence of parentage for custody or support matters, offering court-admissible documentation of biological relationships. This validated evidence aids judges in delivering fair rulings, assigning suitable parental duties, and ensuring consistent financial backing.

Confirming familial relationships.
With DNA testing, affirm familial ties definitively, whether among siblings, parents, or distant cousins. These precise and reliable genetic insights offer peace of mind, resolve inheritance conflicts, and assist families in deepening bonds rooted in verified genetic connections.

Immigration cases requiring proof of biological relationships.
In immigration scenarios, DNA testing provides crucial validation of biological ties necessary for obtaining visas and citizenship. Legal DNA tests offer unambiguous evidence accepted by immigration officials, accelerating the family reunification process and minimizing bureaucratic hindrances.

Adoption cases or identifying unknown biological relatives.
DNA testing aids adoptees by revealing unknown genetic relatives, delivering pivotal insights into their biological lineage. This supports emotional closure, fosters healing, provides vital family health data, and enriches one's understanding of biological identity.

Genealogy and ancestry exploration.
Genealogy-centric DNA testing reveals details about ancestral roots, ethnic heritage, and distant familial ties, enhancing comprehension of familial origins. These genetic revelations into past migrations enable a stronger connection with cultural identity and exploration of family heritage.

Gresham Legal and Court-Admissible Testing

Our DNA testing abides by local court requirements in Multnomah County, ensuring both precision and admissibility in family law processes. Through rigorous chain-of-custody protocols, our test results, trusted by courts in Gresham, OR, are upheld by highly accredited laboratories adhering to all required legal standards.

In Gresham, OR, establishing clear biological links in family law is vital. Our certified DNA testing services strictly follow the Multnomah County court guidelines. By providing complete documentation to verify sample legitimacy, we preserve the legal purity of your outcomes.

Adhering to Multnomah County court rules, our DNA testing procedures offer transparency and assurance in complex family law cases. Gresham, OR families depend on our meticulous testing and legally robust documentation to achieve equitable and prompt resolutions for custody disputes, inheritance matters, and paternity verification.

Gresham Oregon Community Resources

Multnomah County Family Court Services
Provides assistance for family law proceedings, mediation, and custody services.

Multnomah County Health Department
Offers comprehensive health services, information, and resources for county residents.

Gresham City Attorneys
Provides legal advice and services for cases within the city of Gresham.

Oregon Law Help
Resource for legal aid and information on family law, immigration, and more.

USCIS Portland Field Office
Handles immigration processes including citizenship and residency applications.

Oregon Family Law Firm
Specializes in family law, offering legal assistance with custody, adoption, and divorce.

Gresham Drug Testing

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

Gresham DOT Drug Testing

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

Gresham DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Gresham, OR.

Gresham Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Gresham, OR.v

Gresham Hair Drug Testing

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

Gresham Alcohol Testing

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

Gresham Drug Testing Services

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

Gresham 5 Panel Drug Test

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

Gresham 10 Panel Drug Test

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

Gresham On Site Drug Testing

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

Gresham DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Gresham, OR 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

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

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

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


(800) 221-4291