Boulder County property record for 304 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 2016 |
| Square Footage | 4,097 sqft Living Area |
| Lot Size | 8,188 sqft (0.188 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,000,205 (2015) |
| Tax Bill | $19,795.00 (2025) |
| Primary APN | 1461-25-3-04-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 11 Rooms |
| Building Area | 4,097 sqft Living Area |
| Gross Area | 4,831 sqft Gross Area |
| 1st Floor | 1,408 sqft 1st Floor |
| Upper Floors | 1,534 sqft Upper Floors |
| Basement Area | 1,265 sqft Basement |
| Finished Basement | 1,155 sqft Finished |
| Unfinished Basement | 110 sqft Unfinished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 8,188 sqft (0.188 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 624 sqft Garage |
| Deck Area | 497 sqft Deck |
|---|---|
| Patio Area | 1,004 sqft Patio |
| Porch | 1 Porch |
| Porch Area | 156 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0000912 |
|---|---|
| Street Address | 304 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3978 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 14-15 BLK 1 MAPLETON PARK |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON PARK - BO |
| Legal Block | 1 |
| Legal Lot Number | 14 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1016 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-3-04-008
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 | 304 MAPLETON AVE, BOULDER, CO 80304-3978 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Revocable Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20153449537 |
| Last Transfer Date | Jul 20, 2015 |
| Transfer Doc | 0003461094 |
| 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 | $225,883 (+8.8%) Land $106,937 Building $118,946 | $3,321,800 (-) Land $1,572,600 Building $1,749,200 | |
| 2025 | $19,795.00 (+4.38%) | $207,613 (-7.02%) Land $98,288 Building $109,325 | $3,321,800 (-0.33%) Land $1,572,600 Building $1,749,200 |
| 2023 | $18,964.00 (+10.22%) | $223,291 (+21.72%) Land $100,996 Building $122,295 | $3,332,700 (+26.26%) Land $1,507,400 Building $1,825,300 |
| 2022 | $17,206.00 | $183,452 Land $85,151 Building $98,301 | $2,639,600 Land $1,225,200 Building $1,414,400 |
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