Oregon Revised Statutes Counties and County Officers § 204.016

(1) A person is not eligible to serve in any office listed in ORS 204.005 unless the person is a citizen of the United States and an elector under the Oregon Constitution.

(2) A person is not eligible to serve in any elective office listed in ORS 204.005 unless the person meets the requirements of subsection (1) of this section and in addition is a resident of the county in which the person is elected for the period of one year preceding the next election, except that in counties of less than 25,000 population the requirement of residency in the county in which the person is elected does not apply to an elected county surveyor.

(3) A person is not eligible to be a candidate for election or appointment to the office of county surveyor unless registered under the laws of this state as a registered professional land surveyor.

(4) A person is not eligible to be a candidate for election or appointment to the office of county assessor unless:

(5) The Department of Revenue shall prepare applications and questionnaires, and obtain information it may deem necessary to determine that a candidate for the office of county assessor has met the requirements of subsection (4) of this section, and shall furnish to applicants suitable certificates evidencing satisfactory compliance with the required qualifications.