Boulder County property record for 1528 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 6 Beds |
| Bathrooms | 2.75 Baths |
| Year Built | Built 1975 |
| Square Footage | 2,641 sqft Living Area |
| Lot Size | 7,073 sqft (0.162 acres) |
| Last Sale | $1,200,000 (2014) |
| Tax Bill | $11,607.00 (2025) |
| Primary APN | 1463-30-3-08-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Units | 5 Units |
| Building Area | 2,641 sqft Living Area |
| Gross Area | 2,916 sqft Gross Area |
| 1st Floor | 1,101 sqft 1st Floor |
| Upper Floors | 714 sqft Upper Floors |
| Basement Area | 1,101 sqft Basement |
| Finished Basement | 826 sqft Finished |
| Unfinished Basement | 275 sqft Unfinished |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1919 |
|---|---|
| Effective Year Built | Effective 1975 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,073 sqft (0.162 acres) |
| Deck Area | 120 sqft Deck |
|---|---|
| Patio Area | 300 sqft Patio |
| Porch | Porch |
| Porch Area | 208 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0006990 |
|---|---|
| Street Address | 1528 MAPLETON AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4201 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 3 & 10 FT STRP ADJ BLK 146 BOULDER O T |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 146 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 12204 |
Source: Boulder County records · APN 1463-30-3-08-004
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 | 1000 BRICKELL AVE, 715, MIAMI, FL 33131-3047 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20143404257 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 1528 MAPLETON AVE, BOULDER, CO 80304-4201 |
| Document Number | 0003789700 |
| Instrument Date | Jun 04, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jul 27, 2020 |
| Title Company | LAND TITLE GUARANTEE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | PO BOX 20650 BOULDER CO 803083650, BOULDER, CO 80308-3650 |
| Document Number | 0003789700 |
|---|---|
| Date | Jun 09, 2020 |
| Instrument | 3789700 |
| Name | BANK OF CO |
|---|---|
| Type | Bank |
| Address | THORNTON, CO 80233 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Jun 08, 2030 |
| Rate Type | Adjustable Rate |
|---|
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 | $129,682 (+8.8%) Land $73,392 Building $56,290 | $1,907,100 (-) Land $1,079,300 Building $827,800 | |
| 2025 | $11,607.00 (+26.53%) | $119,194 (+11.08%) Land $67,456 Building $51,738 | $1,907,100 (+19.08%) Land $1,079,300 Building $827,800 |
| 2023 | $9,173.00 (-5.65%) | $107,300 (+4.92%) Land $71,040 Building $36,260 | $1,601,500 (+6.48%) Land $1,060,300 Building $541,200 |
| 2022 | $9,722.00 | $102,272 Land $54,244 Building $48,028 | $1,504,000 Land $797,700 Building $706,300 |
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