Boulder County property record for 315 20th St, Boulder, CO 80302 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1985 |
| Square Footage | 3,178 sqft Living Area |
| Lot Size | 14,305 sqft (0.328 acres) |
| Garage | Attached, 546 sqft |
| Last Sale | $225,000 (1992) |
| Tax Bill | $12,640.00 (2025) |
| Primary APN | 1577-06-1-21-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 2 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 3,178 sqft Living Area |
| Gross Area | 3,724 sqft Gross Area |
| 1st Floor | 2,380 sqft 1st Floor |
| Upper Floors | 798 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | A-Frame Style |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 14,305 sqft (0.328 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 546 sqft Garage |
| Deck Area | 190 sqft Deck |
|---|---|
| Patio Area | 592 sqft Patio |
| Porch | Porch |
| Porch Area | 318 sqft Porch |
| Heating System | Hot Water Heating |
|---|
| Account Number | R0006137 |
|---|---|
| Street Address | 315 20TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-8010 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 10-12 & E 1/2 ALLEY ADJ BLK 15 INTERURBAN PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | INTERURBAN PARK - BO |
| Legal Block | 15 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 1 |
| Census Block | 1024 |
| Census Tract | 12505 |
Source: Boulder County records · APN 1577-06-1-21-008
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 | 315 20TH ST, BOULDER, CO 80302-8010 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 19921164898 |
| Last Transfer Date | Oct 29, 2024 |
| Transfer Doc | 0004067066 |
| Record Refreshed | Sep 20, 2026 |
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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $151,042 (+8.8%) Land $90,692 Building $60,350 | $2,221,200 (-) Land $1,333,700 Building $887,500 | |
| 2025 | $12,640.00 (+12.63%) | $138,825 (-1.09%) Land $83,356 Building $55,469 | $2,221,200 (+6.03%) Land $1,333,700 Building $887,500 |
| 2023 | $11,223.00 (+9.45%) | $140,352 (+19.57%) Land $83,636 Building $56,716 | $2,094,800 (+24.03%) Land $1,248,300 Building $846,500 |
| 2022 | $10,254.00 | $117,379 Land $68,861 Building $48,518 | $1,688,900 Land $990,800 Building $698,100 |
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