Columbia County Courthouse

230 Strand Street, St. Helens, OR 97051 • Phone: (503) 397-7210 • Toll Free: (888) 397-7210

Columbia County

Calendar

Here are some helpful dates.

 

Month Date Event ORS
Citation
January 1 Assessment year commences 308.007
Assessment date, real property 308.210
Assessment date, personal property 308.250
February (First Monday) Board of Property Tax Appeals convenes 309.026
15 Due date for second one-third property tax installment 311.505
16 Tax collector sends notice of delinquent personal property taxes 311.547
March 1 Assessor sends income questionnaire to owners of Non-EFU farmland OAR 150-308.372
(4)(a)
Owner's last day to file real and personal property returns with county assessor 308.290
(2nd Tuesday) Taxing district election date 203.085
15 Tax collector issues warrants to enforce payments of delinquent personal property taxes remaining unpaid February 15 311.610
April 1 Deadline for filing applications for most special assessment and exemption programs, such as farm deferral, forest deferral, veteran exemptions, etc.
10 Assessor sends written notice of late filing to veteran (or surviving spouse) 307.260
15 Last day for owner (senior and disabled citizens) to file for deferral of taxes of homestead 311.670
Owner of land assessed as Non-EFU farmland returns income questionnaire to assessor OAR 150-308.372
(1)
Owner's last day to file a timely return with the assessor when an extension was granted by the assessor OAR 150-308.290
May 1 Last day for veteran or surviving spouse to file for exemption with late filing fee 307.260
15 Owner pays third property tax installment 311.505
Tax collector sends notice of delinquent personal property tax 311.547
(3rd Tuesday) Taxing district election date 203.085
June 15 Tax collector serves warrants to enforce payments of delinquent personal property taxes remaining unpaid May 15 311.610
30 End of fiscal year 308.007
Application deadline on property destroyed or damaged by fire or act of God 308.425
July 1 Fiscal or tax year commences 308.007
15 Taxing districts file notices of tax levies with county assessor 310.060
Tax collector submits foreclosure list to district attorney 312.030
August (Wednesday
After Aug. 15)
Tax collector and district attorney publish foreclosure list and submit application for judgment and decree 308.146
September 25 Assessor's last day to change values on assessment roll 308.242
October 15 County Governing Body appoints Board of Property Tax Appeals pool 309.067
25 Assessor delivers roll and warrants to tax collector at such time as necessary to enable mailing of tax statements by this date 311.105
311.115
Tax collector's last day to mail tax statements 311.250
26 Beginning date to file appeals to Board of Property Tax Appeals 309.100
November 15 Owner pays first property tax installment 311.505
30 Last day to mail notice of increase of current year values 311.208
December 15 Department of Revenue notifies senior citizens who defer property taxes that deferrals continue and notifies taxpayers of taxes paid 311.678
Tax collector serves warrants to enforce payments of delinquent personal property taxes 311.610
31 Department or assessor mails personal property return forms 308.290(2)(c)
Last day for assessor to adjust the tax roll unless petition is filed with BOPTA 308.242
Owners last day to petition the late filing penalty on real or personal property return with Board of Property Tax Appeals 309.100
Assessor completes collection of sales data for sales ratio study 309.200