City of Portland
City of Portland Planning & Zoning (code and zoning maps)
http://www.planning.ci.portland.or.us
Metro Regional Government (information and maps)
Portland Chamber of Commerce
http://www.portlandalliance.com/
Portland Online
http://www.portlandonline.com/
Trimet
(public trans routes & schedules)
Metro Area Counties:
Multnomah County
Beaverton
Tigard
Tualatin
Hillsboro
Gresham
