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Assessment & Taxation

The Assessor and Tax Collector's office is responsible for the mapping and appraisal of all property in Clackamas County, the preparation of the property assessment and taxation rolls, and the collection and distribution of property taxes. Our office provides services to all government jurisdictions in the County, including schools, cities, and special tax districts.

Location and Hours

Development Services Building
150 Beavercreek Road
Oregon City, OR  97045

Parking Information

Monday through Thursday
7:00 am to 6:00 pm
Our office is closed on Friday

Services and Information

What's new for this tax year?Tax statement informationView Your Tax Statement ONlinePayment optionsPay your Property Taxes OnlineVeteran ExemptionsActive Military ExemptionsSenior and Disabled=Property Value AppealsFarm and Forestland DeferralsAssessment and Tax Year SummariesCMap

Property Tax Payment Drop Box

For after hours customer convenience,we have a payment drop box located to the left of the Development Services Building entrance.

Tax drop boxYour cancelled check is your receipt.

Our staff has a strong commitment toward providing high quality public service to the citizens of Clackamas County. We provide additional service during our regular schedule of Monday through Thursday from 7:00 AM to 6:00 PM in the following ways:

  • You can email your questions anytime to and we will respond by the next business day.
  • When you call our office at 503-655-8671, a staff member answers your call (instead of an automated attendant), and routes you to the appropriate person that can help with your questions. During busy times you may be asked to leave a message in voice mail, if this happens, we will call you back the same day.
  • If you call after hours and leave a voice mail, we will return your call the next business day.
  • We move additional staff such as cashiers, clerical support and appraisers during busy tax times to the front counters in order to provide you with a quick and efficient visit to our office.
  • Our staff provides Town Hall Meetings in various communities throughout the County after mailing tax statements where citizens can come to ask questions and learn about the property tax system.

Assessment & Taxation links:

  • Active Duty Military Exemption
  • Assessment & Tax Information
  • Assessment & Tax Roll Summaries
  • Business Personal Property
  • Contact Us
  • Delinquent Taxes and Lien Dates
  • Farm and Forestland Deferrals
  • Farm and Forestland Soil Type Value Table
  • Foreclosures
  • Frequently Asked Questions
  • Important Dates
  • Manufactured Structures
  • Online Tax Statements
  • Payment Options
  • Property Tax Deferral for Disabled and Senior Citizens
  • Property Tax Exemptions for Special Organizations
  • Property Tax Online Payment
  • Property Tax Payment Online
  • Property Value Appeals
  • Receiving your Property Tax Bill
  • State Property Tax Forms
  • Tax History
  • Veteran's Tax Exemptions
  • What is Measure 50?
  • Your Property Tax Bill
  • Similar topics: taxes