Adams County property record for 4204 E 139th Ave, Thornton, CO 80602
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,349 sqft · built 2010 |
| Lot Size | 0.173 acres (7,536 sqft) |
| Owner | Owner Name on Record |
| Last Sale | $350,000 (Jun 2010) |
| Tax Bill | $1,828 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0157101 |
| Primary APN | R0157101 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,349 sqft Living Area |
| 1st Floor Area | 2,349 sqft |
| Basement Area | 1,748 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2010 |
|---|---|
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,536 sqft (0.173 acres) |
| Garage Type | Attached |
| Garage Area | 702 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 148 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Account Number | R0157101 |
|---|---|
| Old Parcel Number | 157119302029 |
| Street Address | 4204 E 139TH AVE |
| City | THORNTON |
| State | CO |
| Zip | 80602-7047 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:HOMESTEAD HILLS SUBD FILING NO 3 BLK:1 LOT:29 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 19 |
| Legal Quarter | SW |
| Legal Subdivision | HOMESTEAD HILLS SUBD FILING NO 3 |
| Legal Block | 1 |
| Legal Lot Number | 29 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 5 |
| Census Block | 5016 |
| Census Tract | 8524 |
Source: Adams County records, as of February 9, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on Record |
|---|---|
| Mailing Address | 4204 E 139TH AVE, THORNTON, CO 80602-7047 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 2010 · Amount on Record |
| Deed Sale | Jun 3, 2010 · Amount on Record |
| Deed Document Number | 2010000036584 |
| Record Updated | Jun 8, 2026 |
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 | $1,828.00 (-65.55%) | $43,130 (-11.33%) Land $9,000 Building $34,130 | $690,000 (-4.03%) Land $144,000 Building $546,000 |
| 2023 | $5,307.00 (+10.1%) | $48,640 (+11.15%) Land $8,860 Building $39,780 | $719,000 (+14.17%) Land $131,000 Building $588,000 |
| 2022 | $4,820.00 | $43,760 Land $18,200 Building $25,560 | $629,781 Land $262,000 Building $367,781 |
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.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 494 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 | 500 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Aerux Broadband.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures