Boulder County property record for 424 Maxwell Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1970 |
| Square Footage | 1,832 sqft Living Area |
| Lot Size | 11,251 sqft (0.258 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $28,500 (1973) |
| Tax Bill | $10,592.00 (2025) |
| Primary APN | 1461-25-4-06-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,832 sqft Living Area |
| Gross Area | 2,792 sqft Gross Area |
| 1st Floor | 1,224 sqft 1st Floor |
| Upper Floors | 608 sqft Upper Floors |
| Basement Area | 432 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | A-Frame Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 11,251 sqft (0.258 acres) |
| Garage Type | Attached Garage |
| Garage Area | 360 sqft Garage |
| Total Buildings | 2 Total Buildings |
| Porch | Enclosed Porch |
| Porch Area | 444 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0006139 |
|---|---|
| Street Address | 424 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-4509 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 24 LESS STR ON E & ALL LOT 25 & N 1/2 LOT 26 BLK 4 MAPLETON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MAPLETON - BO |
| Legal Block | 4 |
| Legal Lot Number | 24 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4004 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-4-06-005
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 | 424 MAXWELL AVE, BOULDER, CO 80304-4509 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 197378162 |
| 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 | $125,820 (+8.8%) Land $113,238 Building $12,582 | $1,850,300 (-) Land $1,665,270 Building $185,030 | |
| 2025 | $10,592.00 (+0.54%) | $115,643 (-11.48%) Land $104,079 Building $11,564 | $1,850,300 (-5.11%) Land $1,665,270 Building $185,030 |
| 2023 | $10,535.00 (+20.51%) | $130,644 (+31.33%) Land $117,579 Building $13,065 | $1,949,900 (+36.23%) Land $1,754,910 Building $194,990 |
| 2022 | $8,742.00 | $99,476 Land $89,528 Building $9,948 | $1,431,300 Land $1,288,170 Building $143,130 |
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