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What are your hours?

Monday through Friday, 8:00 a.m. to 12:00 and 12:30 to 4:30 p.m.

How do I place a request for service?

Call us at our office and we will get a technician out to help you. Our phone number is: 707-553-9612.

How long can I expect to wait for a response?

Usually we respond within 24 to 48 hours to your call (except for weekends).

How can I get mosquito fish for my pond or pool?

You can come by our office between the hours of 8:00 am and 3:00 pm (Monday to Friday) or by appointment, to pick up mosquito fish. Please call our office at (707) 553-9612 to confirm availability prior to coming.

  • There is no charge for obtaining mosquitofish from the District.
  • Please bring a 5-gallon bucket with you to carry them in.

In addition, our mosquito fish are usually available from April 15 to October 15 at the following locations. Please call your preferred pick-up location first to confirm availability.

Van Winden’s Garden Center
1805 Pueblo Avenue
Napa, CA 94588
(707) 255 – 8400

St. Helena Central Valley Builder’s Supply
1100 Vintage Avenue
St. Helena, CA 94574
(707) 963-3622

How much do mosquito fish cost?

We provide mosquito fish to the citizens of Napa County free of charge.

What is a vector?

A vector is any animal or insect that can spread disease to humans or otherwise be of a nuisance. The Napa County Mosquito Abatement District primarily deals with the following vectors: mosquitoes, yellowjackets, ticks, and rodents.

What should I do if I find a dead bird?

Call the West Nile Virus hotline (a toll-free number) at 877-968-2473. This number is sponsored by the California Department of Health Services and is the agency responsible for the collection and testing of dead birds for West Nile Virus. Please note that only fresh-dead birds, with no known cause of death, are the birds being tested for West Nile Virus.

How do I find out more about your program?

You can contact the District at 707-553-9612.

What kind of pesticides do you use?

A list of the pesticides used by the District can be found on our Pesticide Summary page. The pesticides we use are designed to be target specific and cause the least environmental disruption possible when used at the label rates dictated by State and Federal law. For more information:

What can I do to help?

Learn as much as you can about mosquitoes, yellowjackets, ticks, and rodents, then keep the areas around your home free of standing water, debris and overgrown vegetation. If you need information or assistance contact us and we will be happy to help you.