DNA Test - San Mateo, CA

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Health Street offers DNA testing, legal paternity tests, and sibling DNA tests in San Mateo, California at a centrally located testing laboratory. Register now, or call us at (415) 578-9142 with any questions. Our paternity testing (including grandparent DNA tests, avuncular (aunt or uncle) testing, and postmortem DNA testing) determines if two or more people are related.

Schedule your San Mateo DNA test appointment online. Our legal DNA test results can be used in court for matters such as: child support, birth certificates, and custody cases. Appointments can be scheduled together or separately. Legal DNA tests are done by cheek swab at our testing centers. We also offer home DNA test kits for peace of mind. DNA can be tested from hair, fingernails, and other specimens.

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DNA Test - San Mateo, California

San Mateo CA DNA Testing Locations

Types of DNA Tests at our San Mateo, California 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 San Mateo DNA testing technicians are trained to follow these guidelines so that the results will be legally admissible.

How to schedule a DNA Test in San Mateo CA

Scheduling a DNA test at one of our San Mateo 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 San Mateo, plus many more locations throughout California 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

More than a Decade of Experience

Since 2010, Health Street has offered DNA tests in San Mateo, the state of San Mateo, California, and throughout the nation.  The first DNA test that Health Street provided in San Mateo, CA was in 2018.

Commitment to Excellence

Our mission is to understand the DNA testing needs of our clients. We strive to provide the most accurate, fast, and conclusive paternity tests in San Mateo. 

San Mateo, California - DNA Testing

Experts Say...

Schoenberg Family Law Group, serving San Mateo, explains why it's important for unmarried parents to establish paternity. "Paternity is critical in order to obtain a child support order and give children access to all of their legal rights and available benefits, including health insurance and inheritance," the law firm states. "Paternity can provide a number of benefits not only to the child but to the parents as well. Most importantly, it offers a chance for both father and child to establish a relationship as biological family members and develop a true family in the years to come." The law group also points out that without establishing the biological father, a child has no legal entitlement to financial benefits like life and health insurance and that they miss out on important financial support. Not establishing paternity also denies important emotional ties that the child would develop with their father.

Establishing Paternity in San Mateo, CA

San Mateo parents that aren't married must establish paternity for the child to have a legal father. The easiest way to establish paternity is by signing a voluntary Acknowledgement of Paternity form. The form should only be signed if both parents agree on paternity. If the parents cannot agree to sign the voluntary form, they can establish paternity in court, and DNA testing may be used to determine paternity.

Proving Paternity for Child Custody Purposes in San Mateo, CA

DNA testing may be required if ordered by the court or if the mother and alleged father disagree on paternity. For example, a mother may claim that the man is not the child's biological father. In this case, DNA testing can prove paternity. Otherwise, the man will have no rights to the child. Once paternity is established, the father must share financial responsibilities with the mother. He can also seek visitation and custody orders, and the judge can issue child support orders.

Last updated 11/22/2022

Neighborhoods In and Around San Mateo That We Serve

Beresford Manor
Los Prados
San Mateo Knolls

Additional Services

Health Street offers a variety of other services, including:


"San Mateo County Paternity Lawyer." Schoenberg Family Law Group, P.C., https://www.sflg.com/san-mateo/paternity/
"Acknowledgement of Paternity/Parentage." California Department of Public Health, https://www.cdph.ca.gov/CDPH%20Document%20Library/ControlledForms/VS22.pdf
Gutierrez, Oliver. "How do you establish paternity in California?" The Law Offices of Oliver R. Gutierrez, https://gutilaw.com/blog/2018/04/how-do-you-establish-paternity-in-california/
"San Mateo, California." Joyce and Tatum: Dwell Realtors, http://joyceandtatum.com/san-mateo