Oregon Revised Statutes Cities § 223.770

(1) Whenever all or any part of the cost of public improvements made by any local government is to be assessed to the property benefited thereby, benefited property owned by the local government or any other public body as defined in ORS 174.109 shall be assessed the same as private property and the amount of the assessment shall be paid by the public body, provided that the costs of the improvements are, in any given case, of the type that may be bonded under ORS 223.205 and 223.210 to 223.215.

(2) In the case of property owned by the state, the amount of the assessment shall be certified by the treasurer and filed with the Oregon Department of Administrative Services as a claim for reference to the Legislative Assembly in the manner provided by ORS 293.316, unless funds for the payment of the assessment have been otherwise provided by law.