Assessor

Assessor’s staff is available during normal business hours by phone, email and fax. 

  • In-person hours of service by appointment only, Monday-Friday, 8 a.m.-4:30 p.m.
  • Telephone hours of service: 303-795-4600; Monday-Friday, 7:30 a.m.- 5 p.m.
  • For the purpose of document submissions, drop boxes have been installed at:
    • Administration Building: 5334 S Prince St. Littleton, CO 80120 - Located on west side of building
    • Lima Plaza: 6954 S. Lima St. Centennial, CO 80112 Located in front of the DMV
    • Aurora Branch 490 S. Chambers Rd. Aurora, CO 80017 - Located in front of DMV
    • Byers Motor Vehicle: 538 US Hwy 36 Byers, CO 80103 - Located in front of the DMV
    • Altura Plaza: 15400 E 14th Suite 500, Aurora, CO 80011 – Located inside lobby area
  • To see details of exact drop box locations, please visit our Payment Locations page.
  • Appointment-only services for:
    • Ownership changes
    • Mobile home transfers
    • Senior/veteran’s exemptions
    • Research
    • General Questions

Arapahoe County Assessor


PK Kaiser is the Arapahoe County Assessor, he was elected by voters in November 2018. The Assessor’s Office is dedicated to providing accurate information to the citizens of Arapahoe County in an efficient and accommodating manner. Learn more about PK Kaiser.

Resources for Citizens

Our Services

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  1. How is the value determined on my property?
  2. How often is property revalued?
  3. What is the difference between actual value and assessed value?
  4. How are property taxes calculated?
  5. Why don’t all properties increase or decrease by the same percentage?