2021/2022 Non-Residential Sales
Comparable Residential Sales Mapping Tool
Base Period Sales from July 1, 2018–June 30, 2020
In areas with few sales, the Assessor is allowed to use comparable sales going back up to five years.
Apartment Buildings
| Apartment Buildings | XLSX |
Single Family Residential Properties
Sales of single family homes, duplexes, and triplexes.
Market Area Maps for Single Family Properties
Comparable properties are often found in the same Market Area, which are groups of neighborhoods that have similar trends in the market. Boulder County uses these areas to establish market value for mass appraisal purposes.
- 2021 Market Area Viewer
- Countywide Map
- Boulder and Gunbarrel Map
- Longmont and Niwot Map
- Erie, Lafayette, Louisville, and Superior Map
Townhomes
| Residential Townhomes | ||
|---|---|---|
| Market Area 108 – Boulder, East of Broadway and All Other Townhomes | XLSX | |
| Market Area 109 – Boulder, West of Broadway and Downtown Townhomes | XLSX | |
| Market Area 407 – Erie, Gunbarrel, Lafayette, Louisville, Niwot, and Superior Townhomes | XLSX | |
| Market Area 506 – Longmont Townhomes | XLSX | |
Condominiums
| Residential Condominiums | ||
|---|---|---|
| Market Area 630 – Boulder Condos | XLSX | |
| Market Area 632 – Erie, Gunbarrel, Lafayette, Louisville, Niwot, and Superior Condos | XLSX | |
| Market Area 633 – Longmont Condos | XLSX | |
| Market Area 634 – Mountain Condos | XLSX | |
Manufactured Housing
Manufactured homes are also referred to as Mobile Homes.
| Manufactured Housing | XLSX |
