Boulder County property record for 435 Dewey Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1970 |
| Square Footage | 1,560 sqft Living Area |
| Lot Size | 8,180 sqft (0.188 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $110,000 (1990) |
| Tax Bill | $6,316.00 (2025) |
| Primary APN | 1461-25-1-11-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,560 sqft Living Area |
| Gross Area | 2,350 sqft Gross Area |
| 1st Floor | 1,420 sqft 1st Floor |
| Upper Floors | 140 sqft Upper Floors |
| Basement Area | 670 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 8,180 sqft (0.188 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 480 sqft Garage |
| Porch | Enclosed Porch |
| Porch Area | 300 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0005146 |
|---|---|
| Street Address | 435 DEWEY AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3927 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | WLY 40 FT LOTS 1-4 & 10 FT STR ADJ BLK 3 MOUNTAIN HEIGHTS |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | MOUNTAIN HIGHTS - BO |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1009 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-1-11-011
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 | 435 DEWEY AVE, BOULDER, CO 80304-3927 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 19901072128 |
| Last Transfer Date | Sep 30, 2004 |
| Transfer Doc | 0002635940 |
| 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 | $72,080 (+8.8%) Land $70,040 Building $2,040 | $1,060,000 (-) Land $1,030,000 Building $30,000 | |
| 2025 | $6,316.00 (-23.75%) | $66,250 (-33.49%) Land $64,375 Building $1,875 | $1,060,000 (-28.7%) Land $1,030,000 Building $30,000 |
| 2023 | $8,283.00 (+17.26%) | $99,602 (+30.93%) Land $89,642 Building $9,960 | $1,486,600 (+35.81%) Land $1,337,940 Building $148,660 |
| 2022 | $7,064.00 | $76,074 Land $68,467 Building $7,607 | $1,094,600 Land $985,140 Building $109,460 |
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