Oregon Revised Statutes Education and Culture § 358.515

(a) Expiration of an initial or second 10-year period of special assessment.

(b) Sale or transfer to a governmental or nonprofit entity that is exempt from property taxation.

(c) The destruction or substantial alteration of the property by acts of nature or other events for which the owner is not responsible.

(d) Initial sale of a condominium as provided in ORS 358.543 (3)(b).

(e) Written notice by the taxpayer to the assessor to remove the special assessment.

(f) The owner's failure to maintain, preserve or rehabilitate the property or to comply with the expenditure commitment in accordance with the preservation plan or the historic rehabilitation standards.

(g) The owner's failure to submit required reports.

(h) Failure of the property to be listed in the National Register of Historic Places either individually or as a contributing resource in a listed historic district or property within two years of certification as required under ORS 358.487 (4)(b).

(i) The owner's failure to obtain, or the lapse of, the property insurance required under ORS 358.487 (2)(d).

(j) The owner's demolition of the property.

(k) The owner's substantial alteration of the property in a way that does not meet the historic rehabilitation standards.

(2)(a) When, for any reason, the property or any portion ceases to qualify as historic property, the owner at the time of change shall notify the assessor and the State Historic Preservation Officer of the change prior to the next January 1 assessment date.

(b) The officer makes final determinations of whether historic property is disqualified for special assessment under ORS 358.487 to 358.543.