ORS 223.393: Estimated and final assessments become liens.

Estimated and final assessments shall become a lien upon the property assessed from and after the passage of the ordinance or resolution spreading the same and entry in appropriate lien record of the local government. The estimated assessment lien shall continue until the time the estimated assessment becomes a final assessment. The local government may enforce collection of such assessments as provided by ORS 223.505 to 223.650.