Visiting EPA Region 10 (Pacific Northwest)
Seattle Main Office
EPA Region 10's main office is located in downtown Seattle at:
Park Place Building
1200 6th Avenue
Seattle, WA 98101
Phone: 800-424-4372 or 206-553-1200
Due to the COVID-19 pandemic, EPA’s Seattle Regional Office is currently closed to general visitors.
Only Mission Essential visitors will be allowed to enter EPA facilities and must perform a self-assessment prior to entering the facility, maintain physical distancing, and wear a face mask.
Please contact us at 800-424-4372 or 206-553-1200 for assistance.
Paid parking is available in the Park Place building with preferred stalls available for alternative fuel vehicles.
- From northbound I-5: Exit onto Seneca Street (Exit 165), which is a left-lane exit. Turn right onto 6th Avenue. The Park Place building will be on your right. The parking garage entrance is off 6th Avenue on your right.
- From southbound I-5: Exit onto Union Street (Exit 165B), which is a right-lane exit. Stay in the left lane of Union Street and turn left at 5th Avenue. Drive three blocks and turn left on Cherry Street. Turn left on 6th Avenue. The Park Place building will be on your right between Seneca and Union Streets. The parking garage entrance is off 6th Avenue on your right.
By Train or Light Rail:
Amtrak and Sound Transit trains serve the King Street Station terminal at 4th and Jackson in downtown Seattle. There are several bus routes that run between our offices and the train station. Sound Transit also operates the Link Light Railservice with stops between downtown Seattle and Sea-Tac airport.
We have free, covered bike parking located on the first level of the underground parking garage. You can access the garage from 6th Avenue. The Seattle Department of Transportation provides a Seattle bike mapon its website.
A small number of Region 10 staff are based in the following state and field offices. Please call ahead before visiting.
Alaska Operations Office
222 West 7th Ave. #19
Anchorage, AK 99513-7588
Main phone: 907-271-5083
Idaho Operations Office
950 West Bannock, Suite 900
Boise, ID 83702
Main phone: 208-378-5746
Oregon Operations Office
805 SW Broadway, Suite 500
Portland, OR 97205
Main phone: 503-326-3250
Washington Operations Office
300 Desmond Dr. SE, Suite 102
Lacey, WA 98503
Main phone: 360-753-9437
Hanford Project Office
309 Bradley Blvd., Suite 115
Richland, WA 99352
Main phone: 509-376-6865
EPA Region 10 operates the Manchester Environmental Laboratory in Port Orchard, Washington. Please call ahead before visiting. The lab does not accept samples from the public.
Manchester Environmental Laboratory
7411 Beach Dr. East
Port Orchard, WA 98366
Main phone: 360-871-8700
EPA's Office of Research and Development also manages a lab facility in Corvallis, Oregon.