Boulder County property record for 4100 Darley Ave, Boulder, CO 80305 · Last verified June 2026
| Property Type | Other > Exempt (Full or Partial) |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1980 |
| Square Footage | 2,370 sqft |
| Lot Size | 7,599 sqft (0.174 acres) |
| Garage | 2,072 sqft |
| Primary APN | 1577-08-1-17-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 2,370 sqft |
| 1st Floor | 2,370 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1980 |
| Construction Type | Wood Construction |
| Lot Area | 7,599 sqft (0.174 acres) |
| Garage Area | 2,072 sqft Garage |
| Cooling System | A/C Package Cooling |
|---|---|
| Heating System | HVAC Heating |
| Account Number | R0012297 |
|---|---|
| Street Address | 4100 DARLEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-6523 |
| Property Usage | Other Property Usage |
| Type | Other > Exempt (Full or Partial) |
| Legal Description | BLK A LESS SELY 29 FT MOUNTAIN TERRACE |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | MOUNTAIN TERRACE - BO |
| Legal Block | A |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1009 |
| Census Tract | 12509 |
Source: Boulder County records · APN 1577-08-1-17-001
Assessment roll updated June 15, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | PO BOX 791, BOULDER, CO 80306-0791 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1977225922 |
| Record Refreshed | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $183,300 (-3.7%) Land $166,400 Building $16,900 | $705,000 (-) Land $640,000 Building $65,000 | |
| 2025 | Additional exemption filed | $190,350 (-3.23%) Land $172,800 Building $17,550 | $705,000 (-) Land $640,000 Building $65,000 |
| 2023 | Additional exemption filed | $196,695 Land $178,560 Building $18,135 | $705,000 Land $640,000 Building $65,000 |
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