Boulder County property record for 640 Dewey Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 2001 |
| Square Footage | 1,628 sqft Living Area |
| Lot Size | 2,807 sqft (0.064 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $237,500 (1995) |
| Tax Bill | $8,499.00 (2025) |
| Primary APN | 1461-25-1-29-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,628 sqft Living Area |
| 1st Floor | 837 sqft 1st Floor |
| Upper Floors | 791 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 2,807 sqft (0.064 acres) |
| Deck Area | 131 sqft Deck |
| Porch | Porch |
| Porch Area | 24 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0001520 |
|---|---|
| Street Address | 640 DEWEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3932 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | W 6 FT LOT 4 & E 23 FT LOT 5 BLK 6 NEIKIRK-STEWART |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | NEIKIRK-STEWART - BO |
| Legal Block | 6 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1020 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-29-004
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 640 DEWEY AVE, BOULDER, CO 80304-3932 |
| 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 | 19951500808 |
| Last Transfer Date | Mar 21, 2007 |
| Transfer Doc | 0002855215 |
| 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 | $96,988 (+8.8%) Land $62,512 Building $34,476 | $1,426,300 (-) Land $919,300 Building $507,000 | |
| 2025 | $8,499.00 (+1.32%) | $89,144 (-11.58%) Land $57,456 Building $31,688 | $1,426,300 (-5.22%) Land $919,300 Building $507,000 |
| 2023 | $8,388.00 (+19.74%) | $100,822 (+34.98%) Land $63,677 Building $37,145 | $1,504,800 (+40.02%) Land $950,400 Building $554,400 |
| 2022 | $7,005.00 | $74,692 Land $45,731 Building $28,961 | $1,074,700 Land $658,000 Building $416,700 |
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