Adams County property record for 3878 E 107th Ave, Thornton, CO 80233
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,060 sqft · built 1986 |
| Lot Size | 0.106 acres (4,600 sqft) |
| Owner | Individual Name on File |
| Last Sale | $140,000 (May 2009) |
| Tax Bill | $1,129 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1719-12-4-05-006 |
| Primary APN | 1719-12-4-05-006 |
|---|---|
| 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 | 1,060 sqft Living Area |
| Gross Area | 2,072 sqft |
| 1st Floor Area | 520 sqft |
| 2nd Floor Area | 540 sqft |
| Basement Area | 504 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 4,600 sqft (0.106 acres) |
| Lot Dimensions | 100 ft deep x 46 ft wide |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Slab |
| Porch Area | 48 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0039207 |
|---|---|
| Street Address | 3878 E 107TH AVE |
| City | THORNTON |
| State | CO |
| Zip | 80233-4431 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:COLONY PARK FILING NO 1 BLK:3 LOT:6 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 12 |
| Legal Quarter | 4 |
| Legal Subdivision | COLONY PARK FILING NO 1 |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 8533 |
Source: Adams County records · APN 1719-12-4-05-006
Assessment roll updated January 21, 2026 · Last verified April 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 File |
|---|---|
| Mailing Address | 3878 E 107TH AVE, THORNTON, CO 80233-4431 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 20, 2009 · Amount on Record |
| Deed Sale | May 20, 2009 · Amount on Record |
| Prior Sale | Jun 17, 1999 · Amount on Record |
| Deed Document Number | 200935978 |
| Prior Transfer Date | Feb 07, 2002 |
| Prior Transfer Doc | 00C0926320 |
| Record Updated | Jun 08, 2026 |
Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Mapleton School District 1 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,129.00 (-54.98%) | $28,970 (-4.61%) Land $7,480 Building $21,490 | $426,000 (-5.12%) Land $110,000 Building $316,000 |
| 2024 | $2,508.00 (-16.34%) | ||
| 2023 | $2,998.00 (+3.09%) | $30,370 (+4.08%) Land $6,290 Building $24,080 | $449,000 (+6.97%) Land $93,000 Building $356,000 |
| 2022 | $2,908.00 | $29,180 Land $12,100 Building $17,080 | $419,761 Land $174,000 Building $245,761 |
Source: FEMA National Flood Hazard Layer as of October 2, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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.
Based on FCC filings for 551 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF THORNTON serves 226,465 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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