Public Works

Welcome to Snohomish County Public Works

COVID-19 Response Alert
With the emergency closure of the County Administration Building on March 17, 2020, the public is urged to perform any Snohomish County Public Works business over the phone or through email.

Staff is monitoring email several times daily and will respond as promptly as possible. Please call our office during business hours of 8 a.m. to 5 p.m. for up to date information and specific instructions on how to submit permit applications electronically. As the situation changes, we will attempt to keep this page updated.

Changes at Solid Waste facilities


Snohomish County will close all of its Solid Waste facilities and programs starting Saturday, March 28. The transfer stations will reopen to mechanical-unload customers only on weekdays starting Monday, March 30. The transfer stations will reopen on Saturdays only, starting April 4, to hand-unload/self-haul customers with only household garbage (see below for criteria) during the duration of the health crisis. Rural drop box sites and the Household Hazardous Waste Facility will remain closed.

  • New hours
    Transfer station hours will be changed to 7 a.m. to 4:30 p.m.

  • Payments
    Credit cards or account transactions are the only payment accepted during the health crisis – no cash or checks.

  • Health guidelines
    Please expect very long delays and use social distancing guidelines of six feet. Only visit the site if it is absolutely necessary.
Saturdays beginning April 4
Hand-unload/self-haul on Saturdays will be limited to a six can or bag maximum of 32 gallons each of household garbage. Loads exceeding this threshold or that contain loose debris, furniture or construction waste will be turned away and not accepted. The county encourages everyone to stay home and sign up for curbside pickup service. There will be no recycling or hazardous waste services.

For more information, please visit the Solid Waste web page.


Our Services to You


Public Works is the largest department in Snohomish County and responsible for many services that affect residents’ lives on a daily basis.

Those services are divided into three main categories:
  • Roads: Developing and maintaining roads, bridges, traffic, and the general transportation system within unincorporated Snohomish County. 
  • Solid Waste: Overseeing the disposal of solid waste (trash and recycling) within all of Snohomish County.
  • Surface Water: Managing and monitoring surface water including storm water drainage and flooding, as well as water quality in rivers, streams, lakes, and aquatic habitat.

The mission of the department is to enhance the quality of life for present and future generations.

The department is committed to serving all residents by adhering to the Title VI section of the Federal Civil Rights Act of 1964 and the Americans with Disability Act. Visit the Public Works ADA page for more information.

Visit the About Public Works page for more information on the department.