Boulder County property record for 860 12th St, Boulder, CO 80302 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.75 Baths |
| Year Built | Built 1970 |
| Square Footage | 2,155 sqft Living Area |
| Lot Size | 9,190 sqft (0.211 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $26,000 (1971) |
| Tax Bill | $7,896.00 (2025) |
| Primary APN | 1463-31-3-22-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,155 sqft Living Area |
| Gross Area | 3,531 sqft Gross Area |
| 1st Floor | 1,259 sqft 1st Floor |
| Upper Floors | 896 sqft Upper Floors |
| Basement Area | 1,259 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1970 |
| Exterior Material | Combination Exterior |
| Construction Type | Masonry/Concrete Masonry Units (CMUs) Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 9,190 sqft (0.211 acres) |
| Porch | Enclosed Porch |
| Porch Area | 117 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0004513 |
|---|---|
| Street Address | 860 12TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7521 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 8-9-10 BLK 24 UNIVERSITY PLACE |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 31 |
| Legal Subdivision | UNIVERSITY PLACE - BO |
| Legal Block | 24 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3002 |
| Census Tract | 12401 |
Source: Boulder County records · APN 1463-31-3-22-003
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 | 860 12TH ST, BOULDER, CO 80302-7521 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1971978620 |
| Last Transfer Date | May 21, 1998 |
| Transfer Doc | 0001805164 |
| 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 | $96,900 (+8.8%) Land $72,692 Building $24,208 | $1,425,000 (-) Land $1,069,000 Building $356,000 | |
| 2025 | $7,896.00 (+5.59%) | $89,063 (-8.17%) Land $66,813 Building $22,250 | $1,425,000 (-1.55%) Land $1,069,000 Building $356,000 |
| 2023 | $7,478.00 (+11.02%) | $96,983 (+22%) Land $68,072 Building $28,911 | $1,447,500 (+26.55%) Land $1,016,000 Building $431,500 |
| 2022 | $6,736.00 | $79,494 Land $55,774 Building $23,720 | $1,143,800 Land $802,500 Building $341,300 |
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