DNA Test - Thousand Oaks, CA

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Health Street provides DNA tests and legal paternity testing in Thousand Oaks, California at 2 testing laboratories. Call (805) 202-4142 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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DNA Test - Thousand Oaks, California

Thousand Oaks CA DNA Testing Locations

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

How to schedule a DNA Test in Thousand Oaks CA

Scheduling a DNA test at one of our Thousand Oaks 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 Thousand Oaks, 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 Thousand Oaks, the state of Thousand Oaks, California, and throughout the nation.  Since our founding, we have focused on helping people obtain the DNA and paternity tests that they need, from Thousand Oaks to neighborhoods everywhere.

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 Thousand Oaks. 

Thousand Oaks, California - DNA Testing

How to Establish Paternity in Thousand Oaks

In the state of California, when a child is born to unwed parents, steps must be taken to establish parentage, also knowns as paternity. According to The Law Offices of Leon F. Bennett, which serves clients in Thousand Oaks and the surrounding area, paternity can be established between unmarried parents by either voluntarily signing a declaration of parentage or obtaining a court order. Until this is done, a man is not legally considered to be the child's father, even if he can prove that he is the biological father.

Signing and filing a voluntary declaration of paternity legally establishes paternity and is as binding as a court order. By signing the declaration, both parents waive their rights to go to court or request a genetic DNA test to establish biological paternity. It's important to remember that once the paperwork is filed, it's extremely difficult to rescind it.

Benefits of Establishing Paternity

Although establishing paternity does require some effort, there are many benefits to doing so. Land Legal Group, which serves clients in Thousand Oaks and the surrounding area, lists some important advantages, including:

The child will have access to both sides of his or her family medical history
The child will be able to receive an inheritance from the father
The child will be eligible to receive Social Security or military benefits based on the father's records
The child may be able to receive health insurance under the father's plan
The child's mother can seek financial child support from the legal father
The child's father will have the right to take part in decision-making for the child
The child's father can seek visitation and/or custody

Challenging Paternity in Thousand Oaks

Challenging paternity in California can be difficult. According to attorneys at the Law Offices of Stepanie L. Mahdavi, located in Thousand Oaks, there are some strategies an alleged father can use to disprove paternity. This could include making a case that there was a mistake, administrative error, or fraud involved in the DNA lab testing. In this case, it's possible to request a second test.

An alleged father may also challenge paternity by proving that he is sterile and incapable of fathering a child. Finally, an alleged father could attempt to provide clear and convincing evidence that the mother has been with other men who could have fathered the child.

Last updated 9/29/2022

Neighborhoods in Thousand Oaks Served by our Clinics

Amber Ridge
Briar Bluff
Conejo Creek
Eagle Ridge
Long Ranch
Monte Sereno
Mountain Oak
Old Town
Sunset Hills
Waverly Heights

Additional Services

Health Street offers a variety of other services, including:


"Determining California Paternity Laws & Knowing Your Rights." Law Offices of Leon F. Bennett, https://www.leonfbennettlaw.com/blog/determining-paternity-in-california-and-knowing-your-rights/
"Establishing Parentage (Paternity)." California Courts, https://www.courts.ca.gov/1201.htm?rdeLocaleAttr=en
"In Need of a Paternity Lawyer?" Land Legal Group, https://landlegalgroup.com/family-law/paternity-attorney-los-angeles/
Mahdavi, Stephanie L. "Challenging Paternity." Law Offices of Stephanie L. Mahdavi, 16 November 2017, https://www.slmfamilylaw.com/blog/challenging-paternity/
"Thousand Oaks CA Neighborhoods and Communities." Tholco Real Estate Group, https://www.tholco.com/thousand-oaks-ca-neighborhoods-communities/