Boulder County property record for 909 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3.75 Baths |
| Year Built | Built 1995 |
| Square Footage | 5,118 sqft Living Area |
| Lot Size | 11,729 sqft (0.269 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $425,000 (1992) |
| Tax Bill | $20,140.00 (2025) |
| Primary APN | 1461-25-4-74-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 5,118 sqft Living Area |
| 1st Floor | 2,001 sqft 1st Floor |
| Upper Floors | 204 sqft Upper Floors |
| Basement Area | 1,322 sqft Basement |
| Finished Basement | 1,322 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1894 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 11,729 sqft (0.269 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Carport Garage |
| Garage Area | 490 sqft Garage |
| Carport | Carport |
| Carport Area | 490 sqft Carport |
| Deck Area | 385 sqft Deck |
| Porch | Porch |
| Porch Area | 586 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0001867 |
|---|---|
| Street Address | 909 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4148 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 1 PLEASANT CORNER SPLIT SEE ID 106540 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | PLEASANT CORNER - BO |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1012 |
| Census Tract | 12204 |
Source: Boulder County records · APN 1461-25-4-74-001
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 Name on File |
|---|---|
| Mailing Address | 909 MAPLETON AVE, BOULDER, CO 80304-4148 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 19921211672 |
| Last Transfer Date | Apr 14, 2015 |
| Transfer Doc | 0003440711 |
| 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 | $236,620 (+8.8%) Land $132,818 Building $103,802 | $3,479,700 (-) Land $1,953,200 Building $1,526,500 | |
| 2025 | $20,140.00 (+15.61%) | $217,481 (+2.54%) Land $122,075 Building $95,406 | $3,479,700 (+9.92%) Land $1,953,200 Building $1,526,500 |
| 2023 | $17,420.00 (-2.49%) | $212,102 (+6.41%) Land $129,518 Building $82,584 | $3,165,700 (+10.38%) Land $1,933,100 Building $1,232,600 |
| 2022 | $17,864.00 | $199,326 Land $94,881 Building $104,445 | $2,868,000 Land $1,365,200 Building $1,502,800 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures