Napa County COVID-19 Solutions

COVID-19 Testing, Vaccinations, and Therapies

COVID-19 Testing

We currently offer testing for current and past infections. If you aren't sure which test you need, please view the information below.

We also test Napa schools, sports teams, and large events. We are happy to work with teams onsite or at N3 Labs. We offer antigen testing with results in an hour or less and PCR testing. reach out to to learn more.


Schedule Your COVID-19 Test Below

COVID-19 Vaccinations

We offer multiple vaccine types based upon current availability.

Monoclonal Antibody Therapy

Monoclonal antibody (mAb) therapy, also called monoclonal antibody infusion treatment, is a way of treating COVID-19. The goal of this therapy is to help prevent hospitalizations, reduce viral loads and lessen symptom severity.

How to Find Us

N3 Laboratories is located at 3416 Valle Verde Drive in Napa. You can click or tap on the map to open detailed directions and navigation.

Hours of Operation

9:00 AM - 3:00 PM
9:00 AM - 3:00 PM
9:00 AM - 3:00 PM
9:00 AM - 3:00 PM
9:00 AM - 2:00 PM

Serving Our Community in More Ways than One

Dr. Eric J. Grigsby, MD, MBA |
CEO & Founder of Neurovations
Dr. Eric J. Grigsby, MD, MBA | CEO & Founder of Neurovations

N3 Laboratories is a full-service, fully-accredited CLIA-certified reference laboratory. A part of Neurovations, N3 laboratories has been serving the community of Napa County since 1992.

Our unwavering mission is to inspire hope and to contribute to the health and well-being of our patients and communities through integrated clinical practice, research, and education.