Oregon Revised Statutes Public Lands § 275.030

(1) Except as otherwise provided by statute, the county governing body may, whenever it deems it to the best interest of the county so to do, sell and convey, in the manner provided for sale of county land under ORS 275.120, 275.140 to 275.160 and 275.180 to 275.260, any real estate owned by the county and not in use for county purposes. The sale shall be directed by an order of the county governing body entered upon the journals.

(2) A county may sell and convey real estate owned by the county in a manner provided in ORS chapter 271 if the real estate was not acquired by foreclosure for nonpayment of real property taxes and the county governing body deems it not to the best interest of the county to sell and convey in the manner provided under ORS 275.120, 275.140 to 275.160 and 275.180 to 275.260.