Adams County property record for 3943 E 121st Ave, Thornton, CO 80241 · Last verified February 2026
| Property Type | Residential > Condominium / Townhouse > Townhouse |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1985 |
| Square Footage | 1,285 sqft Living Area |
| Lot Size | 1,307 sqft (0.03 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $230,000 (2016) |
| Tax Bill | $1,012.00 (2025) |
| Primary APN | R0026148 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Units | 4 Units |
| Building Area | 1,285 sqft Living Area |
| Basement Area | 448 sqft Basement |
| Finished Basement | 224 sqft Finished |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1985 |
|---|---|
| Architectural Style | Townhouse Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 1,307 sqft (0.03 acres) |
| Depth X Width | 50 ft x 28 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Carport Garage |
| Carport | Carport |
| Carport Area | 324 sqft Carport |
| Deck Area | 54 sqft Deck |
| Patio Area | 54 sqft Patio |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0026148 |
|---|---|
| Old Parcel Number | 157336410054 |
| Street Address | 3943 E 121ST AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3553 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | SUB:THORNTON RIDGE FILING NO 1 LOT:54 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 36 |
| Legal Quarter | SE |
| Legal Subdivision | THORNTON RIDGE FILING NO 1 |
| Legal Block | 10 |
| Legal Lot Number | 54 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 2 |
| Census Block | 2000 |
| Census Tract | 8555 |
Source: Adams County records · APN R0026148
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 | 3943 E 121ST AVE, DENVER, CO 80241-3553 |
| 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 | 2016000045809 |
| 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 | Adams 12 Five Star Schools (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 | $1,012.00 (-65.97%) | $23,880 (-12.43%) Land $5,000 Building $18,880 | $382,000 (-5.21%) Land $80,000 Building $302,000 |
| 2023 | $2,974.00 (+25.59%) | $27,270 (+26.84%) Land $3,860 Building $23,410 | $403,000 (+30.22%) Land $57,000 Building $346,000 |
| 2022 | $2,368.00 | $21,500 Land $2,080 Building $19,420 | $309,476 Land $30,000 Building $279,476 |
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