ONI Main: 503-823-4519
City/County Info: 503-823-4000
1221 SW 4th Ave, Suite 110, Portland, OR 97204
American Map and Reproducing Company’s Map of Portland and Vicinity from 1912. The map shows neighborhood/addition names, railroads, street car lines, parks and meadows, rivers, creeks, lakes, and city limits.
1981 ONA map showing boundaries of formally recognized neighborhood associations and listing contact information for the five neighborhood district offices that existed at the time--NWNW, SWNI, SE Uplift, NECN, and North Portland
Map of existing neighborhood association areas in October 1974 when Portland's formal neighborhood system was first formed.