GIS data for Multnomah County is included in Metro’s Regional Land Information System (RLIS).
Map directory with county roads, buildings, tax lots, street maps and more.
Precinct and district maps and registration data. Includes interactive map with precincts and splits. Print maps include precincts and districts. Computer orders and election data also available.
SAIL (Survey and Assessor Image Locator) provides survey information as well as up to date assessor maps and property information.