Adams County offices are closed through April 30. Human Services, Animal Shelter, and Colorado Air and Space Port will provide essential services. Sheriff, District Attorney, Coroner, and Justice Center will remain open until further notice.
Adams County is now under the state-issued Stay-at-Home Public Health Order, in effect through April 26. Need COVID-19 resources? Visit

Maps & Data

Assessor's Data

Adams County makes no representations or warranty as to the completeness, accuracy, timeliness, or content of any data made available through this site. Adams County expressly disclaims all warranties, whether express or implied, including any fitness for a particular purpose.  Although every reasonable effort has been made to ensure the accuracy of the information provided in the dataset(s), Adams County cannot be responsible for consequences resulting from omissions or errors in the information and graphic representations made herein.  It is understood that the information contained in the site is being used at one's own risk.  Nothing stated herein is intended to be, or should be interpreted as, a waiver of the Governmental Immunity Act, §§ 24-10-101 to 120, C.R.S.

These downloadable text files are complete records within the Assessor’s database and are designed to be used for reporting needs by the public. Updated bi-annually.

Last updated: 01/10/2020                  Next update: after 05/01/2020

Downloadable GIS Data

2019 Reappraisal Year

2017 Reappraisal Year

2015 Reappraisal Year

Assessment Neighborhoods