Adams County property record for 4120 E 109th Pl, Thornton, CO 80233
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,320 sqft · built 1977 |
| Lot Size | 0.203 acres (8,840 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $137,250 (Oct 2002) |
| Tax Bill | $851 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1721-07-2-17-008 |
| Primary APN | 1721-07-2-17-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,320 sqft Living Area |
| Gross Area | 2,040 sqft |
| Basement Area | 432 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,840 sqft (0.203 acres) |
| Lot Dimensions | 130 ft deep x 68 ft wide |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Slab |
| Porch Area | 240 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0074453 |
|---|---|
| Street Address | 4120 E 109TH PL |
| City | THORNTON |
| State | CO |
| Zip | 80233-3710 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:GRANGE CREEK PHASE 1 PUD FILING NO 8 LOT:8 |
| Legal Range | 67W |
| Legal Township | 02S |
| Legal Section | 07 |
| Legal Quarter | 2 |
| Legal Subdivision | GRANGE CREEK |
| Legal Lot Number | 8 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 8534 |
Source: Adams County records, as of January 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 4120 E 109TH PL, THORNTON, CO 80233-3710 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 9, 2002 · Amount on Record |
| Deed Sale | Oct 9, 2002 · Amount on Record |
| Deed Document Number | 20021035549 |
| Prior Transfer Date | Oct 4, 2002 |
| Prior Transfer Doc | 00C1035549 |
| Record Updated | Jun 8, 2026 |
Source: Adams County assessment roll, as of January 21, 2026
| 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 | $851.00 (-57.64%) | $28,630 (-4.25%) Land $6,460 Building $22,170 | $421,000 (-4.75%) Land $95,000 Building $326,000 |
| 2024 | $2,009.00 (-38.41%) | ||
| 2023 | $3,262.00 (+9.1%) | $29,900 (+10.13%) Land $6,090 Building $23,810 | $442,000 (+13.16%) Land $90,000 Building $352,000 |
| 2022 | $2,990.00 | $27,150 Land $11,400 Building $15,750 | $390,605 Land $164,000 Building $226,605 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 | Low lower than 94% of the US · lower than 97.8% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 551 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Intrepid Fiber Networks Fiber | 2,000 / 2,000 |
| Xfinity Cable | 2,000 / 250 |
| CenturyLink DSL | 140 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Ting, Verizon.
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