Directions to PSRC's Office


1201 Third Avenue, Suite 500
Seattle, WA 98101

PSRC's office is located in the 1201 Third building. The ADA entrance is located on Third Avenue, and enters into the main 3rd floor lobby.

Office Access

PSRC's offices are open during regular board meetings and by appointment. 

Access to the 5th floor is by key card only. On days when PSRC is holding a board meeting or event, PSRC staff will be in the 3rd Avenue lobby with a PSRC sign 30 minutes before and up to 15 minutes after the meeting begins to provide access to the 5th floor. At all other times, call 206-464-7090.



PSRC's office is close to many bus routes on Second and Third Avenue. View the King County Metro map for a list of routes.

Light Rail

University Street Station is located below the building. Choose Exit C to get to the lobby.


Bicycles are not permitted in the building common areas or elevators. For bicycle parking, bike racks are located in the parking garage near the Seneca Street entrance.


The parking garage is located beneath the building at 258 Seneca Street with entrance and exit on Seneca Street between Second and Third Avenue on the right-hand side. Maximum vehicle height allowed is 6 feet for garage clearance. Visitors may exit the parking garage only to Seneca Street. 

ADA parking spaces are available on levels A-D near the elevators in the parking garage.

Board members parking in the garage will need to take their parking ticket with them to get their parking validated. PSRC does not validate parking for members of the public.

Elevators from Parking Garage

Take the elevators from the parking garage to the lobby and then switch to the elevators in the southeast corner of the building to get up to the PSRC offices on the 5th floor. 

Driving Notes

  • For driving directions to the parking garage, enter 258 Seneca Street into a mapping application.
  • Seneca Street is a one-way street going west toward the waterfront.
  • Cars are not allowed on Third Avenue from 6 a.m. to 7 p.m. Access to Third Avenue is restricted to buses only. Directions to the building through mapping software should avoid the street.