Boulder County property record for 515 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1980 |
| Square Footage | 1,377 sqft Living Area |
| Lot Size | 8,843 sqft (0.203 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $125,000 (1983) |
| Tax Bill | $9,675.00 (2025) |
| Primary APN | 1461-25-4-05-016 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 1,377 sqft Living Area |
| Gross Area | 1,962 sqft Gross Area |
| 1st Floor | 981 sqft 1st Floor |
| Basement Area | 981 sqft Basement |
| Finished Basement | 396 sqft Finished |
| Unfinished Basement | 585 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 8,843 sqft (0.203 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 576 sqft Garage |
| Porch | Porch |
| Porch Area | 84 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001167 |
|---|---|
| Street Address | 515 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3987 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 50-51 BLK 4 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 4 |
| Legal Lot Number | 50 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4005 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-05-016
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 | 515 MAPLETON AVE, BOULDER, CO 80304-3987 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1983532399 |
| 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 | $117,198 (+8.8%) Land $105,478 Building $11,720 | $1,723,500 (-) Land $1,551,150 Building $172,350 | |
| 2025 | $9,675.00 (+6.61%) | $107,719 (-6.72%) Land $96,947 Building $10,772 | $1,723,500 (-) Land $1,551,150 Building $172,350 |
| 2023 | $9,075.00 (+10.31%) | $115,474 (+20.85%) Land $103,927 Building $11,547 | $1,723,500 (+25.36%) Land $1,551,150 Building $172,350 |
| 2022 | $8,227.00 | $95,549 Land $85,994 Building $9,555 | $1,374,800 Land $1,237,320 Building $137,480 |
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