Oregon Revised Statutes Mortgages and Liens § 86.809

The charge of a trustee for the performance of powers and duties of foreclosure by advertisement and sale imposed under ORS 86.705 to 86.815 shall not exceed 50 percent of the compensation allowable to an executor or administrator under ORS 116.173 or a minimum charge of $100. Such compensation shall be based upon the amount due on the obligation, both principal and interest, at the time of the trustee's sale.