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The agency’s main offices are in downtown Seattle on the corner of Third Avenue and Stewart Street in the Securities Building.

From the Third Avenue lobby, our suite entrance is to the right of the elevators, up a small flight of stairs. For accessible entry, please call 206-343-8800.

Driving Alternatives

Public Transit

Let someone else concentrate on the driving while you relax or prepare for a meeting. There are several public transportation options to get you to our offices.

Check out which option works best for you using Trip Planner.


Bikes receive special treatment on 3rd Avenue Only bikes and buses are allowed from 6 until 9 a.m., and 3 to 6:30 p.m.

There is a small bike rack in front of the Securities Building on 3rd Avenue Additional racks are available for free in the parking garage a few yards north of the entrance. Ride or walk your bike up the ramp and bike racks are past the parking attendant booth to the right.

To get to the Securities lobby, use the door to the right of the bike racks (you’ll be on Intermediate Level “IL”). Follow the winding hallway through its various right and left turns to the elevator lobby. Take the elevator to the first floor (3rd Avenue). Exit the elevator to your right,


Paid parking is available in one of the Securities building garages. There are entrances on 3rd Avenue and 4th Avenue, between Stewart and Virginia Streets.

To get to the Securities lobby, take the Securities elevator to the first floor (3rd Avenue). Exit the elevator to your right, go through the double doors, past the main lobby elevators, to a stairwell on the left up to our main entrance.

We cannot validate parking.