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Important Announcements
Real Property Appeal Begins May 1 through June 8. There are several options to appeal your valuation for tax year 2023.
Steps to Protesting Property Values
Appeals for all property types may be filed via mail, fax or save postage and utilize our 4 conveniently located, secured drop boxes.
To enhance your experience, we are offering phone appointments with appraisal staff responsible for your area. You may request a phone appointment by emailing Schedule Phone Appeal Appointment or by calling our office at 303-795-4600.
Walk-in services are available May 1 through May 19. Appointments are strongly encouraged to avoid waiting in line by calling our office at 303-795-4600. Often times, same day appointments are offered. Building hours are 8 a.m. – 4 p.m.
Telephone hours of service: 303-795-4600; Monday – Friday, 7:30 a.m. – 5 p.m.
Residential property owners also have the option to file an appeal using our online form.
- Property Search
- 2023 Real Property Appeal Procedures (PDF)
- General Appeal Information (PDF)
- Schedule Phone Appeal Appointment by email
- Residential Property Appeal Printable Form (PDF)
- Residential Property Online Appeal Form
- When using the online appeals form you will be prompted to enter your property's Control Number. Note that this is the same as the AIN Number printed on the postcard you received.
Senior and Veteran Tax Exemptions
2023 Senior and Veteran application window now open. Forms and instructions are available on the Senior/Veteran Tax Exemptions page.
Data Transparency
Data transparency is of the upmost importance to our office. We want to assure our residents that data being reported are accurate and are coming from the official source.
- Interactive Assessment Transparency Tool 2023: In collaboration with our GIS department, the Assessor’s Office has an interactive map demonstrating value changes from the 2021 to 2023 general reassessment for residential parcels. This tool allows searches to reveal values, links to parcel information, demonstrates average value within the field of view and also overlays sales within the relevant time period.
- Assessed Property Value Change
- Commercial Assessed Property Value Change
- Maps and GIS Uploads/Downloads: View more maps, data tools, and GIS/FTP information.
Contact Us
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PK Kaiser, MBA, MS
Assessor
PK Kaiser Bio
EmailAdministration Building
5334 S. Prince St.
Littleton, CO 80120Phone: 303-795-4600
Fax: 303-797-1295
Relay Colorado: 711Hours
Monday - Friday
8 a.m. - 4 p.m.
Arapahoe Altura Plaza15400 E. 14th Pl., Ste. 500
Aurora, CO 80011Phone: 303-795-4600
Fax: 303-636-1380Hours
Monday-Friday
8 a.m.- 4 p.m.