Adams County property record for 12931 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 | 1,867 sqft Living Area |
| Lot Size | 6,098 sqft (0.139 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $251,500 (2005) |
| Tax Bill | $1,097.00 (2025) |
| Primary APN | R0146940 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 13 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Building Area | 1,867 sqft Living Area |
| 1st Floor | 865 sqft 1st Floor |
| 2nd Floor | 1,002 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 | 465 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0146940 |
|---|---|
| Old Parcel Number | 157128304025 |
| Street Address | 12931 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:25 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 28 |
| Legal Quarter | SW |
| Legal Subdivision | THE VILLAGES AT RIVERDALE |
| Legal Block | 4 |
| Legal Lot Number | 25 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | BRIGHTON |
| Census Blockgroup | 5 |
| Census Block | 5039 |
| Census Tract | 8540 |
Source: Adams County records · APN R0146940
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 12931 ROSEMARY ST, THORNTON, CO 80602-8408 |
| 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 | 20051230001433270 |
| 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 | $1,097.00 (-69.7%) | $25,880 (-30.56%) Land $5,790 Building $20,090 | $514,000 (-6.72%) Land $115,000 Building $399,000 |
| 2023 | $3,621.00 (+8.54%) | $37,270 (+9.55%) Land $7,100 Building $30,170 | $551,000 (+12.57%) Land $105,000 Building $446,000 |
| 2022 | $3,336.00 | $34,020 Land $14,600 Building $19,420 | $489,478 Land $210,000 Building $279,478 |
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