Adams County property record for 3851 E 122nd Ave, Thornton, CO 80241
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,378 sqft · built 1974 |
| Lot Size | 0.18 acres (7,841 sqft) |
| Owner | Owner Name on File |
| Last Sale | $154,900 (Dec 2000) |
| Tax Bill | $1,097 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0026028 |
| Primary APN | R0026028 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,378 sqft Living Area |
| Interior Walls | Wallboard/Drywall |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,841 sqft (0.18 acres) |
| Lot Dimensions | 100 ft deep x 80 ft wide |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Account Number | R0026028 |
|---|---|
| Old Parcel Number | 157336406011 |
| Street Address | 3851 E 122ND AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3515 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:THORNTON MEADOWS BLK:6 LOT:13 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 36 |
| Legal Quarter | SE |
| Legal Subdivision | THORNTON MEADOWS |
| Legal Block | 6 |
| Legal Lot Number | 13 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 8554 |
The current owner of 3851 E 122nd Ave bought it in December 2000.
Source: Adams County records, as of February 9, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 3851 E 122ND AVE, DENVER, CO 80241-3515 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 11, 2000 · Amount on File |
| Deed Sale | Dec 11, 2000 · Amount on File |
| Prior Sale | Nov 10, 1997 · Amount on File |
| Deed Document Number | 00739992 |
| Deed Book / Page | 6352 / 734 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 3851 E 122nd Ave was $1,097.
Source: Adams County assessment roll, as of August 25, 2025
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Adams 12 Five Star Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,097.00 | $25,880 Land $5,130 Building $20,750 | $414,000 Land $82,000 Building $332,000 |
| 2023 | $3,276.00 (+13.99%) | $30,040 (+15.14%) Land $5,550 Building $24,490 | $444,000 (+18.29%) Land $82,000 Building $362,000 |
| 2022 | $2,874.00 | $26,090 Land $11,400 Building $14,690 | $375,364 Land $164,000 Building $211,364 |
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.
FEMA maps place 3851 E 122nd Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 2 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 3851 E 122nd Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF THORNTON serves 226,465 people · EPA ID CO0101150 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 570 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Xfinity Cable | 2,000 / 250 |
| Rise Broadband Fixed Wireless | 300 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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