Boulder County property record for 1665 Mapleton Ave, #CU1, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Architecture Style | Condo/Apartment |
| Year Built | Built 1954 |
| Square Footage | 1,899 sqft Living Area |
| Lot Size | 25 sqft (0.001 acres) |
| Last Sale | $371,800 (2011) |
| Tax Bill | $6,328.00 (2025) |
| Primary APN | 1463-30-2-45-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,899 sqft Living Area |
| 1st Floor | 924 sqft 1st Floor |
| Basement Area | 975 sqft Basement |
| Finished Basement | 975 sqft Finished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Condo/Apartment Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Other (not Classified) Roof |
| Lot Area | 25 sqft (0.001 acres) |
| Deck Area | 87 sqft Deck |
| Patio Area | 151 sqft Patio |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0009149 |
|---|---|
| Street Address | 1665 MAPLETON AVE, CU1 |
| City | BOULDER |
| State | CO |
| Zip | 80304-4200 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT CU-1 & UND 27.96 INT GCE HILLTOP PARK CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | HILLTOP PARK CONDOS - BO |
| Legal Block | 1 |
| Legal Lot Number | CU-1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1012 |
| Census Tract | 12106 |
Source: Boulder County records · APN 1463-30-2-45-003
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 1665 MAPLETON AVE, 1, BOULDER, CO 80304-4200 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20113163113 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $72,209 (+8.8%) Building $72,209 | $1,061,900 (-) Building $1,061,900 | |
| 2025 | $6,328.00 (+22.56%) | $66,369 (+4.55%) Building $66,369 | $1,061,900 (+12.08%) Building $1,061,900 |
| 2023 | $5,163.00 (-1.49%) | $63,480 (+12.46%) Building $63,480 | $947,463 (+16.65%) Building $947,463 |
| 2022 | $5,241.00 | $56,448 Building $56,448 | $812,200 Building $812,200 |
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