Adams County property record for 4351 E 109th Ave, Thornton, CO 80233
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,680 sqft · built 1978 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $524,000 (May 2025) |
| Tax Bill | $3,443 (2025) |
| Deeds & Mortgages | Apr 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 1721-07-2-12-005 |
| Primary APN | 1721-07-2-12-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,680 sqft Living Area |
| Gross Area | 2,496 sqft |
| 1st Floor Area | 672 sqft |
| 2nd Floor Area | 672 sqft |
| Basement Area | 672 sqft |
| Finished Basement | 336 sqft |
| Unfinished Basement | 336 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,000 sqft (0.184 acres) |
| Lot Dimensions | 100 ft deep x 80 ft wide |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Slab |
|---|---|
| Porch Area | 120 sqft |
| Shed | 1 Shed |
| Shed Area | 2,021 sqft |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Electric |
| Account Number | R0074350 |
|---|---|
| Street Address | 4351 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:12 |
| Legal Range | 67W |
| Legal Township | 02S |
| Legal Section | 07 |
| Legal Quarter | 2 |
| Legal Subdivision | GRANGE CREEK |
| Legal Lot Number | 12 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 8534 |
Source: Adams County records, as of August 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 4351 E 109TH AVE, THORNTON, CO 80233-5401 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 28, 2025 · Amount on Record |
| Deed Sale | May 28, 2025 · Amount on Record |
| Prior Sale | May 17, 2012 · Amount on Record |
| Deed Document Number | 202530306 |
| Prior Transfer Date | Mar 20, 2019 |
| Prior Transfer Doc | 0000023368 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Apr 1, 2019 |
| Property Address | 4351 E 109TH AVE, THORNTON, CO 80233-5401 |
| Document Number | 0000023368 |
| Instrument Date | Mar 30, 2019 |
| Instrument | 23368 |
| Transaction Type | Transfer |
| Record Updated | Apr 8, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4351 E 109TH AVE THORNTON CO 802335401, THORNTON, CO 80233-5401 |
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 | $3,443.00 (+19.38%) | $30,600 (-3.13%) Land $6,460 Building $24,140 | $450,000 (-3.64%) Land $95,000 Building $355,000 |
| 2024 | $2,884.00 (-16.33%) | ||
| 2023 | $3,447.00 (+10.84%) | $31,590 (+11.86%) Land $6,090 Building $25,500 | $467,000 (+14.92%) Land $90,000 Building $377,000 |
| 2022 | $3,110.00 | $28,240 Land $11,400 Building $16,840 | $406,352 Land $164,000 Building $242,352 |
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 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 591 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ting Fiber | 2,000 / 2,000 |
| Intrepid Fiber Networks Fiber | 2,000 / 2,000 |
| Xfinity Cable | 1,200 / 35 |
| Rise Broadband Fixed Wireless | 300 / 60 |
| CenturyLink DSL | 140 / 20 |
May also be available: Aerux Broadband, T-Mobile, Verizon.
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