Boulder County property record for 501 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 5 Baths |
| Year Built | Built 1995 |
| Square Footage | 4,832 sqft Living Area |
| Lot Size | 7,476 sqft (0.172 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,495,000 (2014) |
| Tax Bill | $23,904.00 (2025) |
| Primary APN | 1461-25-4-05-015 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 4,832 sqft Living Area |
| 1st Floor | 1,767 sqft 1st Floor |
| Upper Floors | 1,298 sqft Upper Floors |
| Basement Area | 1,767 sqft Basement |
| Finished Basement | 1,767 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,476 sqft (0.172 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 483 sqft Garage |
| Porch | Porch |
| Porch Area | 63 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0003679 |
|---|---|
| Street Address | 501 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3987 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | S 98.75 FT OF LOTS 47-48-49 BLK 4 MAPLETON PER DC 1041856 5/11/90 BCR |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 4 |
| Legal Lot Number | 47 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4005 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-05-015
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 | 501 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Tenants In Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20143370523 |
| Prior Transfer Date | Jan 04, 2010 |
| Prior Transfer Doc | 0003054735 |
| 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 | $272,768 (+8.8%) Land $115,634 Building $157,134 | $4,011,300 (-) Land $1,700,500 Building $2,310,800 | |
| 2025 | $23,904.00 (+1.94%) | $250,706 (-7.32%) Land $106,281 Building $144,425 | $4,011,300 (-0.65%) Land $1,700,500 Building $2,310,800 |
| 2024 | $23,450.00 (+1.77%) | ||
| 2023 | $23,043.00 (+3.78%) | $270,520 (+13.14%) Land $108,949 Building $161,571 | $4,037,600 (+17.36%) Land $1,626,100 Building $2,411,500 |
| 2022 | $22,204.00 | $239,108 Land $82,219 Building $156,889 | $3,440,400 Land $1,183,000 Building $2,257,400 |
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