Boulder County property record for 1521 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 2000 |
| Square Footage | 2,951 sqft Living Area |
| Lot Size | 4,414 sqft (0.101 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,900,000 (2025) |
| Tax Bill | $15,771.00 (2025) |
| Primary APN | 1463-30-2-50-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,951 sqft Living Area |
| Gross Area | 3,543 sqft Gross Area |
| 1st Floor | 1,016 sqft 1st Floor |
| Upper Floors | 1,207 sqft Upper Floors |
| Basement Area | 728 sqft Basement |
| Finished Basement | 728 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 4,414 sqft (0.101 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 592 sqft Garage |
| Deck Area | 478 sqft Deck |
| Porch | Porch |
| Porch Area | 38 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0067883 |
|---|---|
| Street Address | 1521 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4225 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 1 LOVERS HILL SUBDIVISION SPLIT SEE ID 108011 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | LOVERS HILL SUBDIVISION - LG |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1012 |
| Census Tract | 12106 |
Source: Boulder County records · APN 1463-30-2-50-001
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 Owner on File |
|---|---|
| Mailing Address | 1521 MAPLETON AVE, BOULDER, CO 80304-4225 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20254109144 |
| Prior Transfer Date | May 01, 2015 |
| Prior Transfer Doc | 0003443267 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Nov 12, 2025 |
| Property Address | 1521 MAPLETON AVE, BOULDER, CO 80304-4225 |
| Document Number | 0004109144 |
| Instrument Date | Nov 10, 2025 |
| Instrument | 4109144 |
| Transaction Type | Transfer |
| Record Updated | Dec 03, 2025 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $190.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1521 MAPLETON AVE, BOULDER, CO 80304-4225 |
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 | $179,969 (+8.8%) Land $65,586 Building $114,383 | $2,646,600 (-) Land $964,500 Building $1,682,100 | |
| 2025 | $15,771.00 (+0.64%) | $165,412 (-7.24%) Land $60,281 Building $105,131 | $2,646,600 (-2.57%) Land $964,500 Building $1,682,100 |
| 2024 | $15,670.00 (+5.74%) | $178,314 (-2.02%) Land $59,563 Building $118,751 | $2,716,400 (-) Land $944,000 Building $1,772,400 |
| 2023 | $14,820.00 (+25.52%) | $181,999 (+35.72%) Land $63,248 Building $118,751 | $2,716,400 (+40.78%) Land $944,000 Building $1,772,400 |
| 2022 | $11,807.00 | $134,101 Land $48,011 Building $86,090 | $1,929,500 Land $690,800 Building $1,238,700 |
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