Boulder County property record for 3145 20th St, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1970 |
| Square Footage | 2,484 sqft Living Area |
| Lot Size | 18,095 sqft (0.415 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $117,000 (1984) |
| Tax Bill | $7,900.00 (2025) |
| Primary APN | 1463-19-4-23-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Partial Baths | 3 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,484 sqft Living Area |
| Gross Area | 2,807 sqft Gross Area |
| 1st Floor | 1,538 sqft 1st Floor |
| Basement Area | 1,269 sqft Basement |
| Finished Basement | 946 sqft Finished |
| Unfinished Basement | 323 sqft Unfinished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch Style |
| Exterior Material | Brick Veneer Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Lot Area | 18,095 sqft (0.415 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Detached Garage |
| Garage Area | 576 sqft Garage |
| Porch | Porch |
| Porch Area | 224 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0005862 |
|---|---|
| Street Address | 3145 20TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-2700 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 11 BLK 1 GREEN MEADOWS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 19 |
| Legal Subdivision | GREEN MEADOWS - BO |
| Legal Block | 1 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3009 |
| Census Tract | 12107 |
Source: Boulder County records · APN 1463-19-4-23-011
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 3145 20TH ST, BOULDER, CO 80304-2700 |
| 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 | 1984661256 |
| 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 | $96,954 (+8.8%) Land $87,259 Building $9,695 | $1,425,800 (-) Land $1,283,220 Building $142,580 | |
| 2025 | $7,900.00 (+14.11%) | $89,112 (-1.6%) Land $80,201 Building $8,911 | $1,425,800 (+5.49%) Land $1,283,220 Building $142,580 |
| 2023 | $6,923.00 (+20.34%) | $90,557 (+31.42%) Land $81,501 Building $9,056 | $1,351,600 (+36.32%) Land $1,216,440 Building $135,160 |
| 2022 | $5,753.00 | $68,909 Land $62,018 Building $6,891 | $991,500 Land $892,350 Building $99,150 |
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