Adams County property record for 3889 E 121st Ave, Thornton, CO 80241 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Townhouse |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Townhouse |
| Year Built | Built 1985 |
| Square Footage | 1,285 sqft Living Area |
| Lot Size | 1,428 sqft (0.033 acres) |
| Last Sale | $290,000 (2021) |
| Tax Bill | $2,339.00 (2024) |
| Primary APN | 1573-36-4-10-045 |
|---|---|
| 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 |
| Gross Area | 1,733 sqft Gross Area |
| Basement Area | 448 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 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 | 1,428 sqft (0.033 acres) |
| Depth X Width | 51 ft x 28 ft Depth x Width |
| Deck Area | 54 sqft Deck |
| Patio Area | 54 sqft Patio |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0026139 |
|---|---|
| Street Address | 3889 E 121ST AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3552 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | SUB:THORNTON RIDGE FILING NO 1 LOT:45 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 36 |
| Legal Quarter | 4 |
| Legal Subdivision | THORNTON RIDGE FILING NO 1 |
| Legal Lot Number | 45 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 2 |
| Census Block | 2000 |
| Census Tract | 8555 |
Source: Adams County records · APN 1573-36-4-10-045
Assessment roll updated January 21, 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 | 45 RED TAIL DR, HIGHLANDS RANCH, CO 80126-5001 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| May 04, 2021 | Warranty Deed, Transfer · Commercial Mortgage MAC MANAGEMENT LLC |
| Apr 01, 2021 | Warranty Deed, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 202153511 |
| Prior Transfer Date | Mar 31, 2021 |
| Prior Transfer Doc | 0000040362 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | May 04, 2021 |
| Property Address | 3889 E 121ST AVE, THORNTON, CO 80241-3552 |
| Document Number | 0000053511 |
| Instrument Date | Apr 30, 2021 |
| Instrument | 2021000053511 |
| Transaction Type | Transfer |
| Record Updated | May 30, 2023 |
| Title Company | HERITAGE TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $29.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 45 RED TAIL DR, HIGHLANDS RANCH, CO 80126-5001 |
| Document Number | 0000053512 |
|---|---|
| Date | May 04, 2021 |
| Instrument | 2021000053512 |
| Name | MAC MANAGEMENT LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | THORNTON, CO 80241 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 24 Months |
| Due | May 01, 2023 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 4.5% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Apr 01, 2021 |
| Property Address | 3889 E 121ST AVE, THORNTON, CO 80241-3552 |
| Document Number | 0000040362 |
| Instrument Date | Mar 31, 2021 |
| Instrument | 2021000040362 |
| Transaction Type | Transfer |
| Record Updated | Jan 27, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3685 E 121ST AVE, THORNTON, CO 80241-3585 |
Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified June 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 (-58.23%) | $25,090 (-4.67%) Land $5,440 Building $19,650 | $369,000 (-5.14%) Land $80,000 Building $289,000 |
| 2024 | $2,339.00 (-18.53%) | ||
| 2023 | $2,871.00 (+26.42%) | $26,320 (+27.64%) Land $3,860 Building $22,460 | $389,000 (+31.11%) Land $57,000 Building $332,000 |
| 2022 | $2,271.00 | $20,620 Land $2,080 Building $18,540 | $296,704 Land $30,000 Building $266,704 |
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