Survey

Survey records and plats are available online using Survey Explorer.

Public Services Building - Third Floor
155 N. First Ave., Suite 350 MS 15
Hillsboro, OR 97124

Lobby Hours

• Monday-Thursday: 8 a.m.-3:30 p.m.
• Friday: Closed to walk ins. Phone service (503-846-8723) or appointments only 8 a.m.-3:30 p.m. ​​​​

Appointments are recommended.

Our services include:

• Recovering, reestablishing and maintaining public land corners
• Administer public rights-of-way and public easements
• Reviewing partition, subdivision and condominium plats
• Reviewing and filing records of survey
• Providing addresses within Washington County’s addressing jurisdiction
• Approving street names within the County’s jurisdiction

Submit a Survey

Discover how to submit a survey review.

Submit a Survey

Submit a Plat

Learn how to submit a plat review.

Submit a Plat

Plat Queue Report

See this report to learn where your project is in the queue.

View Plat Queue Report

Plat Name Report

Discover plat names, recording dates and more.

Plat name report

Street Name Report

Review nearly 8,000 street names and locations in Washington County.

Street name report