DNA Test – Yakima, WA

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Health Street provides DNA tests and legal paternity testing in Yakima, Washington at a centrally located testing laboratory. Call (509) 303-4374 or schedule online. We offer legal paternity tests, sibling studies, grandparent DNA tests, avuncular (aunt or uncle) testing, and postmortem DNA testing to determine if people are biologically related.

Set up DNA testing appointments online. Test results can be used in court for child support or to change a birth certificate; it can also be used for simple peace of mind. Appointments can be scheduled together or separately. Legal DNA tests are done by cheek swab at our testing centers. We can also extract DNA samples from hair follicles, fingernails, and other specimens.

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306 N 6th Avenue
Yakima, WA 98902

DNA Test – Yakima, Washington

Yakima WA DNA Testing Locations

Types of DNA Tests at our Yakima, Washington clinics:

Paternity Testing can conclusively establish whether or not a man is the biological father of a child.

Relationship Testing for other close family relationships can be performed at our testing centers. Our DNA testing services can confirm or deny biological relationships between grandparents, grandchildren, siblings, half-siblings, aunts, uncles, nieces and nephews:

Grandparent DNA Test (if the father is not available for testing)
Sibling DNA Test (possible brothers, sisters, or half-siblings)
Avuncular DNA Test (aunt/uncle and niece/nephew)

Specimens we can test for DNA

The easiest and most reliable way to obtain a DNA sample for paternity testing is to swab the inner cheeks of the alleged father and child or children. These skin cells are known as buccal cells, and they rub off easily onto cotton swabs and remain in place for analysis by our laboratory.

Other specimen samples, such as hair follicles, fingernails, and garments that might contain someone’s DNA, can also be tested. An Alternative Specimen DNA Test is done by ordering one of our testing kits online and shipping the specimens back to us.

Legal DNA Tests vs. “Peace of Mind” At-Home Tests

A Legal Paternity Test is a court admissible lab testing service performed at an AABB accredited laboratory. Accurate results for DNA paternity testing with 99.99% confidence or greater take about a week.

When deciding which type of DNA test is right for you, consider first what you might do with the results. A legal paternity DNA test will hold up in court for such matters as child support or to change the name on a birth certificate. This test must be performed using strict chain of custody procedures. Our Yakima DNA testing technicians are trained to follow these guidelines so that the results will be legally admissible.

How to schedule a DNA Test in Yakima WA

Scheduling a DNA test at one of our Yakima clinics is simple and fast, and we often have appointments available in the same week. It’s always helpful to schedule in advance to make sure you get the time you want. Please call our customer service team to help you book your appointment over the phone, or set up your appointment easily online.

We have state of the art testing labs and friendly clinics that perform the DNA sample collection in Yakima, plus many more locations throughout Washington and across the United States. During registration, we’ll show you the nearest locations for DNA testing so you can choose the site that’s most convenient. You’ll also pick the times and days that you prefer.

Why Health Street

A Decade Plus of Experience

Health Street has provided DNA tests since 2010. The first DNA test we performed in Yakima, WA was in 2020.

Commitment to Community

We are proud to be committed to the DNA testing needs of the people of Yakima.

Yakima, Washington – DNA Testing

Establishing Paternity in Yakima, WA

Establishing paternity is crucial for the father to obtain parental rights, such as custody and visitation, and for the mother to receive child support payments. Most importantly, establishing paternity allows the child to have relationships with both parents. Married parents or those in a domestic partnership with a child don’t need to establish paternity since it’s automatically presumed. However, unmarried parents in Yakima must establish paternity for their child to have a legal father. The easiest way to establish paternity in Yakima is by signing a voluntary Acknowledgment of Paternity form at the hospital when the child is born. The form can also be signed later at the local county health department or the Division of Child Support Office (DCS). If a mother and alleged father cannot agree to establish paternity voluntarily, one of them can begin a parentage action, and they can go to court.

Proving Paternity for Child Custody Purposes in Yakima, WA

The court will order DNA testing if a mother and the alleged father cannot agree on paternity. DNA testing proves paternity with over 99% accuracy, usually by swabbing the inside of the cheeks. Once DNA testing confirms paternity, the court can establish paternity, and the father’s name will be added to the birth certificate.

Experts Say…

The Hansen Law firm in Yakima explains the importance of paternity for fathers’ rights. “Establishing paternity may seem like a formality, but it has real consequences in a family’s life, and it shouldn’t be skipped over,” the law firm states. “Your relationship with your son or daughter is too important for it to depend on staying in their mother’s good graces. As a father, you have a right to a relationship with your child no matter what the future brings.” The Hansen Law firm says a child deserves to know their biological father. “But establishing paternity is not just about answering a question in theory,” the law firm says. “Identifying the biological father of a child comes with a specific set of rights and responsibilities for the father as well as the mother, and of course, there are benefits for your son or daughter.”

Last updated 12/26/2022


Clinic Hours for DNA Testing in Yakima, Washington

306 N 6th Avenue Yakima, WA 98902
Pre-registration required,Walk-in with barcode:

Monday: 10:00 AM – 3:00 PMTuesday: 10:00 AM – 3:00 PMWednesday: 10:00 AM – 3:00 PMThursday: 10:00 AM – 3:00 PMFriday: 10:00 AM – 3:00 PM About this Location: To obtain paternity tests in Yakima, Washington, visit us at this location, which is very close by to Miller Park.

Neighborhoods Served in Yakima

Arlington Ave
Castle Creek
Green Ridge
Historical District
Mount Vernon
North Fork Road
Oak Park
Palm Springs
Sage Trail
Tieton Estates
Walnut / Union
Wide Hollow
Wiley Heights

Additional Services

We also offer other services, such as:

Washington Background Check for Yakima, WA businesses


“Establishing Parentage.” Washington State Department of Social and Health Services, https://www.dshs.wa.gov/esa/division-child-support/establishing-parentage
“Establishing Paternity in Washington State.” McKinley Irvin Family Law, https://www.mckinleyirvin.com/family-law-blog/2022/september/establishing-paternity-in-washington-state/
“Enjoy Your Full Rights As A Father By Establishing Paternity.” Hansen Law, PLLC, https://www.hansenlawyer.com/family-law/paternity/
“Yakima, WA.” Nextdoor, https://nextdoor.com/city/yakima–wa/