How to find us

Phone: 206-296-4600
TTY Relay: 711

Toll-free: 800-325-6165

Click here to email us

Instructions to submit a Public Records Request

Mosquito control

Who's responsible for mosquito control in King County?

Mosquito control for private property owners (PDF)

What private drainage system owners should know (PDF)

Information for cities and King County agencies

Quick tips on how to prevent your property from becoming a mosquito breeding ground:
Report dead birds
Report dead birds

Help us fight West Nile virus! If you see a dead bird in King County, report it through the Online Services Portal or call 206-205-4394 to tell us about it.

See photo-illustrated Bird Identification Gallery for names of birds.