Tree Service Provider Directory

SDCI’s Tree Service Provider Directory is a list of providers who have met SDCI’s registration requirements. Below you will find each provider’s business name, services, registration number, and application status. If the business name is in blue text, you can click on the name to visit their website. Click the blue circle to the left of the business name to see the business contact information. You may also use the search box to find specific providers or service types. You can sort each column by alphabetical order by clicking on the grey arrow icon on the right-hand side of the column heading.

Please note that any tree risk assessment for hazardous tree removal or construction encroachment must be prepared by a registered tree service provider with a current tree risk assessment qualification (TRAQ). Contact a provider from the list below to find out if they offer TRAQ services.

Neither the City nor this department endorses these firms or assumes liability for their services.

This database is updated every evening at 5:00 p.m., however the registration status may take up to 48 hours to be refreshed.

SDCI Tree Service Providers
NameServicesRegistration NumberStatus
NameServicesRegistration NumberStatus

Construction and Inspections

Nathan Torgelson, Director
Address: 700 5th Ave, Suite 2000, Seattle, WA, 98104
Mailing Address: P.O. Box 34019, Seattle, WA, 98124-4019
Phone: (206) 684-8600
Phone Alt: Violation Complaint Line: (206) 615-0808
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SDCI issues land use, construction, and trade permits, conducts construction and housing-related inspections, ensures compliance with our codes, and regulates rental rules. SDCI is committed to an antiracist workplace and to addressing racism through our work in the community.