Adams County property record for 4555 E 121st Ct, Thornton, CO 80241 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1979 |
| Square Footage | 1,695 sqft Living Area |
| Lot Size | 7,526 sqft (0.173 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $515,000 (2025) |
| Tax Bill | $2,597.00 (2024) |
| Primary APN | 1571-31-3-19-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Building Area | 1,695 sqft Living Area |
| Gross Area | 2,712 sqft Gross Area |
| 1st Floor | 1,019 sqft 1st Floor |
| 2nd Floor | 676 sqft 2nd Floor |
| Basement Area | 576 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Split Level Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 7,526 sqft (0.173 acres) |
| Depth X Width | 106 ft x 71 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 441 sqft Garage |
| Porch | Porch |
| Porch Area | 216 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0011693 |
|---|---|
| Street Address | 4555 E 121ST CT |
| City | THORNTON |
| State | CO |
| Zip | 80241-3648 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTHAVEN BLK:4 LOT:2 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | 3 |
| Legal Subdivision | NORTHAVEN |
| Legal Block | 4 |
| Legal Lot Number | 2 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 2 |
| Census Block | 2005 |
| Census Tract | 8547 |
Source: Adams County records · APN 1571-31-3-19-006
Assessment roll updated January 21, 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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 4555 E 121ST CT, THORNTON, CO 80241-3648 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 20, 2022 | Intrafamily Transfer, Transfer |
| Jun 07, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 202533513 |
| Prior Transfer Date | Jun 06, 2022 |
| Prior Transfer Doc | 0000050205 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Dec 20, 2022 |
| Property Address | 4555 E 121ST CT, THORNTON, CO 80241-3648 |
| Document Number | 0000098125 |
| Instrument Date | Nov 28, 2022 |
| Instrument | 2022000098125 |
| Transaction Type | Transfer |
| Record Updated | Dec 28, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4535 E 121ST CT, THORNTON, CO 80241-3648 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Jun 07, 2022 |
| Property Address | 4555 E 121ST CT, THORNTON, CO 80241-3648 |
| Document Number | 0000050205 |
| Instrument Date | Jun 06, 2022 |
| Instrument | 2022000050205 |
| Transaction Type | Transfer |
| Record Updated | Jun 14, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4555 E 121ST CT, THORNTON, CO 80241-3648 |
Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified August 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 | $977.00 (-62.38%) | $31,890 (-10.4%) Land $6,530 Building $25,360 | $469,000 (-10.84%) Land $96,000 Building $373,000 |
| 2024 | $2,597.00 (-33.1%) | ||
| 2023 | $3,882.00 (+13.14%) | $35,590 (+14.25%) Land $5,820 Building $29,770 | $526,000 (+17.36%) Land $86,000 Building $440,000 |
| 2022 | $3,431.00 | $31,150 Land $11,960 Building $19,190 | $448,187 Land $172,000 Building $276,187 |
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