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Clackamas County Surveyor

Your County Surveyor's Office: - Receives private survey maps for filing, reviews them for compliance with Oregon statutes, then adds them to the public record. - Reviews pending subdivision and partition plat maps for Oregon statutes and county requirements, mathematical accuracy and visual clarity, easements, encroachments and other potential problems. - Recovers, restores and protects original section corner and donation land claim corner locations. - Assists the general public with locating property surveys, historical research, general survey questions, and interpreting and understanding legal descriptions.

Partnering with the Past to Help Protect the Future

Building BoundariesFor information regarding Surveys, Plats, Partitions and Public Land Corners, please call 503-742-4475 or e-mail us at

Phone: 503-742-4475
Fax: 503-742-4481
150 Beavercreek Rd.
Oregon City, OR 97045 map

Office Hours: 7:30 a.m. - 4:30 p.m. Monday - Friday
Lobby Hours: 8:00 a.m. - 3:00 p.m. Monday - Friday

Our staff office hours for appointments are 7:30 a.m. - 4:00 p.m.

If you would like to discuss a project, please make an appointment with Carl Clinton, Terry Martinson or Wayne Olson by calling 503-742-4492.

Our goal is to provide excellent service. Please let us know how we're doing and how we can improve by taking this brief survey or contacting Diane Gissel at 503-742-4339 or

Contact UsFind Plats and SurveysFee Schedule Public Land CornersMonument BoxesLinks

Surveys and Plats

Fees and Standards


Mission Statement:

Provide the citizens of Clackamas County with professional surveying expertise and advice, and perform our duties as required by the Oregon Revised Statutes.


  • To provide exceptional customer service
  • To operate a quality records library and research facility of surveys, plats and roads for the public and consultants
  • To perform the review of surveys in a professional, accurate and timely manner
  • To perform the review of subdivisions, partitions and condominiums in a professional, accurate and timely manner while serving the development community and protecting the property rights of the citizens of Clackamas County
  • To preserve and maintain the Public Land Survey System Corners (section corners and quarter section corners) and donation land corners (DLC) originally placed by the Federal Government. These corners form the basis of the land identification system used in deeds and boundary control for all property.
  • To provide a courteous and professional staff to carry out our mission.

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