Boulder County property record for 505 Maxwell Ave, Boulder, CO 80304 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3.5 Baths |
| Year Built | Built 1995 |
| Square Footage | 3,558 sqft Living Area |
| Lot Size | 7,256 sqft (0.167 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $3,500,000 (2022) |
| Tax Bill | $14,463.00 (2025) |
| Primary APN | 1461-25-1-05-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,558 sqft Living Area |
| Gross Area | 4,091 sqft Gross Area |
| 1st Floor | 2,566 sqft 1st Floor |
| Upper Floors | 459 sqft Upper Floors |
| Basement Area | 1,066 sqft Basement |
| Finished Basement | 533 sqft Finished |
| Unfinished Basement | 533 sqft Unfinished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1995 |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,256 sqft (0.167 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 200 sqft Garage |
| Porch | Porch |
| Porch Area | 165 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0000903 |
|---|---|
| Street Address | 505 MAXWELL AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3937 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | W 50 FT BLOCK 13 S OF ALLEY AMENDED PLAT BLOCKS 10-13 MAXWELLS ADDITION AKA E 30 FT LOT 13 & W 20 FT LOT 14 BLK 3 PHILLIPS ADDITION |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | PHILLIPS - BO |
| Legal Block | 13,10 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 4 |
| Census Block | 4002 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-05-001
Assessment roll updated June 15, 2026 · Last verified August 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 | 505 MAXWELL AVE, BOULDER, CO 80304-3937 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Apr 18, 2019 | Deed of Trust, Mortgage · Commercial Mortgage ALPINE BANK |
| Apr 04, 2022 | Special Warranty Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20223954586 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 505 MAXWELL AVE, BOULDER, CO 80304-3937 |
| Transaction Type | Mortgage |
| Record Updated | Jul 26, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0003707819 |
|---|---|
| Date | Apr 18, 2019 |
| Instrument | 3707819 |
| Name | ALPINE BANK |
|---|---|
| Type | Bank |
| Address | RIFLE, CO 81650 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Apr 25, 2029 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 04, 2022 |
| Property Address | 505 MAXWELL AVE, BOULDER, CO 80304-3937 |
| Document Number | 0003954586 |
| Instrument Date | Mar 13, 2022 |
| Instrument | 3954586 |
| Transaction Type | Transfer |
| Record Updated | Jul 26, 2022 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $350.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 505 MAXWELL AVE, BOULDER, CO 80304-3937 |
| Document Number | 0003954587 |
|---|---|
| Date | Apr 04, 2022 |
| Instrument | 3954587 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 01, 2052 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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 | $165,036 (+8.8%) Land $113,744 Building $51,292 | $2,427,000 (-) Land $1,672,700 Building $754,300 | |
| 2025 | $14,463.00 (+1.98%) | $151,688 (-9.66%) Land $104,544 Building $47,144 | $2,427,000 (-3.16%) Land $1,672,700 Building $754,300 |
| 2023 | $14,182.00 (+6.14%) | $167,916 (+16.71%) Land $113,820 Building $54,096 | $2,506,200 (+21.06%) Land $1,698,800 Building $807,400 |
| 2022 | $13,361.00 | $143,879 Land $73,524 Building $70,355 | $2,070,200 Land $1,057,900 Building $1,012,300 |
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