Boulder County property record for 515 Maxwell Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2005 |
| Square Footage | 2,196 sqft Living Area |
| Lot Size | 7,088 sqft (0.163 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $570,000 (2005) |
| Tax Bill | $12,206.00 (2025) |
| Primary APN | 1461-25-1-05-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,196 sqft Living Area |
| 1st Floor | 1,408 sqft 1st Floor |
| Upper Floors | 788 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,088 sqft (0.163 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 338 sqft Garage |
| Deck Area | 21 sqft Deck |
| Porch | Porch |
| Porch Area | 78 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0006776 |
|---|---|
| Street Address | 515 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3937 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | E 50 FT OF W 100 FT BLK 13 AMENDED PLAT OF BLOCKS 10-13 MAXWELLS ADDITION AKA E 30 FT LOT 14 & W 20 FT LOT 15 BLK 3 PHILLIPS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | PHILLIPS - BO |
| Legal Block | 13,10 |
| Legal Lot Number | 14 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4002 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-05-002
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 MAXWELL AVE, BOULDER, CO 80304-3937 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20052734628 |
| 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 | $139,278 (+8.8%) Land $112,418 Building $26,860 | $2,048,200 (-) Land $1,653,200 Building $395,000 | |
| 2025 | $12,206.00 (+3.16%) | $128,013 (-9.02%) Land $103,325 Building $24,688 | $2,048,200 (-2.47%) Land $1,653,200 Building $395,000 |
| 2023 | $11,832.00 (+3.71%) | $140,700 (+14.52%) Land $112,493 Building $28,207 | $2,100,000 (+18.79%) Land $1,679,000 Building $421,000 |
| 2022 | $11,409.00 | $122,862 Land $72,669 Building $50,193 | $1,767,800 Land $1,045,600 Building $722,200 |
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