DNA Test - San Leandro, CA

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Health Street provides DNA tests and legal paternity testing in San Leandro, California at 3 testing laboratories. Call (510) 513-6527 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 - San Leandro, California

San Leandro CA DNA Testing Locations

Types of DNA Tests at our San Leandro, 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 Leandro 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 Leandro CA

Scheduling a DNA test at one of our San Leandro 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 Leandro, 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

A Decade Plus of Experience

Health Street has provided DNA tests since 2010. The first DNA test we performed in San Leandro, CA was in 2018.

Dedicated to Excellence

We are proud to help families and individuals get DNA testing in San Leandro. 

San Leandro, California - DNA Testing

Establishing paternity in San Leandro, CA

Unmarried parents from San Leandro, California, can establish paternity in several ways. Most commonly, they either sign the Voluntarily Declaration of Parentage (VDP) or go to court and let the judge establish paternity.

The easiest way of establishing paternity, if neither parent has any doubts or reasons why they would not want to establish paternity, is to sign the VDP after the child is born at the hospital. Hospital staff can help smooth the process and file the document.

However, parents sometimes disagree about paternity or want to establish child support, custody, or visitation hours. In these cases, many parents go through the court to establish paternity. Establishing paternity in court often involves genetic testing of the alleged father and the child. Usually, it is done as a simple cheek swab, so it is painless and quick. Once the DNA results return, the judge may consider them while establishing paternity. From there, child support, custody, and visitation hours can also be established if necessary.

San Leandro, California: Benefits of establishing paternity

For the child, it is essential to establish paternity. Knowing both parents and having the opportunity to build a bond with them can give the child multiple benefits they would not have without establishing paternity.

Some of the advantages for the child can include:

Both parents can financially support the child
Legal documents will identify both parents
The child can have the opportunity to access the family medical records and history
The child can gain the right to receive veteran's benefits and social security, if applicable
The child can get health and life insurance
The child can inherit from both parents

Establishing paternity can also benefit the father. He can gain rights and responsibilities toward the child, such as spending time with his child, making decisions about their lives, and building a bond with them.

Last updated 12/29/2022

Neighborhoods in San Leandro Served by our Clinics

San Lorenzo
Castro Valley
Best Manor

Additional Services

Health Street offers a variety of other services, including:


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By Anthony B. on 9/6/2016
Very kind and professional people I would return again.


Establishing parentage (paternity). Establishing Parentage (Paternity) - paternity_famlaw_selfhelp. (n.d.). Retrieved December 29, 2022, from https://www.courts.ca.gov/1201.htm?rdeLocaleAttr=en