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  • Multnomah County
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County Surveyor Pages

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  • County Services1
  • Pages18
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  • Documents59
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SAIL - Survey and Assessor Image Locator

The SAIL website contains survey, tax assessor, and other property related information for all of Multnomah County.

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Alternate Plat and Survey Monumentations

Guidelines for setting monuments when iron rods or pipes cannot be used.

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Consent Affidavit Examples

Examples of various items on a consent affidavit.

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County Surveyor History

List of County Surveyors dating back to 1857

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Executing Plats Under Power of Attorney

How to execute a plat under power of attorney

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Fees and Deposits

Schedule of fees and deposits for the Surveyor's Office.

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Forms and Documents

All the forms and documentation you need to submit a plat or survey.

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Notarizing a Plat

How to notarize a plat.

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Online Submittal Process

Process for submitting surveys, plats and associated documents to Multnomah County Surveyor’s Office via email or Google Drive.

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Plat Naming Policy

The naming of subdivisions or condominium plats in Oregon must conform to ORS 92.090(1).

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Public Land Corners

There are over 2,000 public land corners in Multnomah County, and the County Surveyor’s Office actively maintains over 1,000 of them on a recurring basis.

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Submitting Plats

How to submit a plat and how to pay for it.

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Tri-County Standards

Tri-County standards for surveys and plats.

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Submitting Surveys

How to submit a survey and how to pay for it.

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General Survey Information

Common questions and concerns, and link to a few helpful resources.

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About Us

The County Surveyor's office and the services we provide.

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Contact Us

Contact information for the County Surveyor's office.

Page

Office Hours

The Surveyor’s Office counter is open to the public on Tuesdays, Wednesdays and Thursdays, from 8:00am – 4:30pm.

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