Guide · sources read Nov 9, 2026
How to read a Colorado parcel number
Colorado counties print parcel numbers in different layouts (three below).12 Larimer County's assessor builds its number from the land survey grid: range, township, section, quarter section, block and lot.1
Also called the parcel number.
County by county
Larimer County
Larimer County's assessor labels the parts of its sample number 9726307001 as range 69, township 7, section 26, quarter section 3, block 07 and lot 001.1
Example: 8923000010. On Groundwork: 89230000102.
City and County of Denver
Denver's parcel numbers print as 13 digits on Groundwork.2
Example: 0009117001000. On Groundwork: 00091170010002.
El Paso County
El Paso County's print as 10 digits on Groundwork.2
Example: 5400000268. On Groundwork: 54000002682.
Look up a Colorado parcel number
Type the number the way the county prints it. A county not shown here may lay its number out differently; its assessor's site has the layout.
Questions
What is a parcel number in Colorado?
Colorado counties print parcel numbers in different layouts (three below). Larimer County's assessor builds its number from the land survey grid: range, township, section, quarter section, block and lot.
How do I look up a Colorado parcel number on Groundwork?
Type it in the map search the way the county prints it. Example from Larimer County: 8923000010. Groundwork shows it as Parcel 8923000010.
Sources
- Larimer County Assessor: Public Data Center (Parcel Numbering Explained). Read Nov 9, 2026.
- Groundwork map search: each example on this page was searched and returned that parcel first. Checked Nov 9, 2026.