Adams County property record for 4340 E 109th Ave, Thornton, CO 80233
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,885 sqft · built 1978 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on File |
| Last Sale | $145,000 (Jul 2007) |
| Tax Bill | $1,237 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0074441 |
| Primary APN | R0074441 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,885 sqft Living Area |
| 1st Floor Area | 1,885 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Architectural Style | Bi-Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 112 ft deep x 76 ft wide |
| Garage Type | Attached |
| Garage Area | 500 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 128 sqft |
| Patio Area | 128 sqft |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Electric |
| Account Number | R0074441 |
|---|---|
| Old Parcel Number | 172107216003 |
| Street Address | 4340 E 109TH AVE |
| City | THORNTON |
| State | CO |
| Zip | 80233-5401 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:GRANGE CREEK PHASE 1 PUD FILING NO 4 LOT:5 |
| Legal Range | 67W |
| Legal Township | 02S |
| Legal Section | 07 |
| Legal Quarter | NW |
| Legal Subdivision | GRANGE CREEK |
| Legal Phase | 1 |
| Legal Block | 16 |
| Legal Lot Number | 5 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 8534 |
Source: Adams County assessment roll, as of August 25, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4340 E 109TH AVE, THORNTON, CO 80233-5401 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 30, 2007 · Amount on Record |
| Deed Sale | Jul 30, 2007 · Amount on Record |
| Prior Sale | Jun 6, 2007 |
| Deed Document Number | 2007000072512 |
| 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 | $1,237.00 (-66.07%) | $29,190 (-12.66%) Land $5,940 Building $23,250 | $467,000 (-5.47%) Land $95,000 Building $372,000 |
| 2023 | $3,646.00 (+11.02%) | $33,420 (+12.07%) Land $6,090 Building $27,330 | $494,000 (+15.13%) Land $90,000 Building $404,000 |
| 2022 | $3,284.00 | $29,820 Land $11,400 Building $18,420 | $429,073 Land $164,000 Building $265,073 |
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 at the parcel |
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) |
|---|---|
| BIF IV Intrepid HoldCo Fiber | 2,000 / 2,000 |
| Xfinity Cable | 2,000 / 250 |
| Lumen Technologies DSL | 140 / 20 |
| JAB Wireless Fixed Wireless | 100 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Ting Fiber, Verizon.
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