Greater Los Angeles County Vector Control District

Guardians of Greater L.A.

As warmer weather and outdoor activities return to Greater Los Angeles, so do mosquitoes, and with them, the risk of vector-borne diseases. Working year-round behind the scenes, the Greater Los Angeles County Vector Control District (GLACVCD/District) plays a vital role in protecting the health of nearly six…

Do-it-Yourself Solutions for Mosquito Problems

The best method to reduce breeding on your property is to limit the number of potential sources. Download our mosquito source checklist for more solutions!

Green Pools & Mosquitoes

Mosquitoes develop in dirty, algae-filled water. If not maintained properly and regularly, a single ‘green’ swimming pool can produce up to 3 million mosquitoes in one month. Pools that produce mosquitoes are public health risks. Controlling mosquitoes in non-functional pools is a year-round challenge and…

Sterile Insect Technique (SIT) Information

Sterile Insect Technique is an innovative, environmentally friendly pest control method reducing the use of insecticides and maintaining the ecosystem.

Who We Are

We are a public health agency that is committed to protecting residents from mosquitoes and mosquito-borne diseases by providing vector control services.

Submit a Service Request

The Greater Los Angeles County Vector Control District provides property inspections on a case-by-case basis to help identify the source of mosquito problems.

Sterile Insect Technique (SIT)

In efforts to meet public health challenges head-on, the Greater Los Angeles County Vector Control District is looking for innovative and effective technologies to control mosquitoes and combat the…

A woman examines a plant with a red flower while holding a mosquito inspection checklist.

Mosquito Source Checklist

Limiting the number of potential sources is the best method for reducing breeding on your property. Use our Mosquito Source Checklist to find all the cryptic sources in and around your property.