Maps Online

You may view the Washington County assessor maps online through one of the following links:


  Individual Property / Taxlot Research Tool.

  View Detailed Maps
  • City Boundaries
  • School District Information
  • Plan Designations
  • Service Districts
  • Aerial Photos
  • Property Values
  • Tax Maps


  Survey Records Research Tool.
  Available Items:
  • Records of Survey
  • Subdivision Plats
  • Partition Plats
  • Condominium Plats
  • Geodetic Control Point Sheets
  • Public Land Corner Records
  • Tax Maps

The Oregon State ORMAP site at:


If you do not have access to these website links, this information may be viewed at our office in the Public Service Area located at 161 NW Adams Avenue, Suite 102; Hillsboro, OR 97124.