Serving Environmental needs for over 35 years

Contact Us

Hahn and Associates, Inc.
434 NW 6th Avenue, Suite 203
Portland, Oregon 97209-3651
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HAI is located at the north end of the Portland Downtown Transit Mall, and near Union Station. We are at the SE Corner of NW 6th Avenue and NW Glisan Street.

Visitors are encouraged to use alternative transportation to minimize everyone's impact on the environment. There is limited parking in area surrounding our offices.

  • TriMet Trip Planner
  • MAX Service: Green, Orange and Yellow Lines all stop near our offices
    • From the Portland International Airport (PDX), take the Red Line into downtown Portland, and exit at the Chinatown/Old Town stop. Proceed west to NW 6th Avenue and then north to NW Glisan Street.
  • Bus Service: 1, 2, 4, 8, 9, 12, 16, 17, 19, 20, 30, 35, 36, 43, 44, 54, 56, 77, 94 and 99 all have stops nearby.
  • Bicycle Parking: Secure bike parking is provided inside of our building. Bike racks are located on the 2nd floor, near the elevator.
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As a focused regional firm, we provide a personal approach, along with attention to detail, consistent high-quality work, and continuity of staff and services, including Phase I and II ESAs, Remedial Investigations, and Brownfield Redevelopment. The solutions we provide for our clients are formulated to promote responsible stewardship of the environment.