Adams County property record for 12911 Rosemary St, Thornton, CO 80602 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2005 |
| Square Footage | 1,555 sqft Living Area |
| Lot Size | 6,098 sqft (0.139 acres) |
| Garage | Attached, 498 sqft |
| Last Sale | $309,900 (2016) |
| Tax Bill | $1,293.00 (2025) |
| Primary APN | R0146938 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 13 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Building Area | 1,555 sqft Living Area |
| 1st Floor | 751 sqft 1st Floor |
| 2nd Floor | 804 sqft 2nd Floor |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 2005 |
|---|---|
| Architectural Style | Other Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Lot Area | 6,098 sqft (0.139 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 498 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0146938 |
|---|---|
| Old Parcel Number | 157128304023 |
| Street Address | 12911 ROSEMARY ST |
| City | THORNTON |
| State | CO |
| Zip | 80602-8408 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:THE VILLAGES AT RIVERDALE FILING NO 1 BLK:4 LOT:23 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 28 |
| Legal Quarter | SW |
| Legal Subdivision | THE VILLAGES AT RIVERDALE |
| Legal Block | 4 |
| Legal Lot Number | 23 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | BRIGHTON |
| Census Blockgroup | 5 |
| Census Block | 5039 |
| Census Tract | 8540 |
Source: Adams County records · APN R0146938
Assessment roll updated August 25, 2025 · Last verified February 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 | PO BOX 5763, DENVER, CO 80217-5763 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 2016000083536 |
| Record Refreshed | Jun 08, 2026 |
Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | School District 27J (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 |
|---|---|---|---|
| 2025 | $1,293.00 (-62.24%) | $30,500 (-13.45%) Land $7,190 Building $23,310 | $488,000 (-6.33%) Land $115,000 Building $373,000 |
| 2023 | $3,424.00 (+5.71%) | $35,240 (+6.69%) Land $7,100 Building $28,140 | $521,000 (+9.65%) Land $105,000 Building $416,000 |
| 2022 | $3,239.00 | $33,030 Land $14,600 Building $18,430 | $475,137 Land $210,000 Building $265,137 |
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