Oregon Revised Statutes Chapter 308 § 308.709 — within the 10-year period following the year in which the property was

within the 10-year period following the year in which the property was first qualified for special assessment. An owner may not reapply for special assessment pursuant to ORS 308.709 after the end of that 10-year period. (6) New property constructed at the location of the multiunit rental housing or new improvements made to the multiunit rental housing may qualify for special assessment under ORS 308.707 only if the property owner files an application under ORS 308.709 in the time and manner prescribed by ORS 308.709. Notwithstanding ORS 308.712, the new property or new improvements, if otherwise qualified for special assessment, must be specially assessed using the method elected by the property owner for the existing multiunit rental housing. (7) As used in this section, “new property or new improvements” has the meaning given that term in ORS 308.149. [2001 c.605 §7]