Adams County property record for 4415 E 123rd Ave, Thornton, CO 80241
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,172 sqft · built 1980 |
| Lot Size | 0.163 acres (7,100 sqft) |
| Owner | Individual Name on File |
| Last Sale | $152,000 (Jan 2008) |
| Tax Bill | $1,147 (2025) |
| Deeds & Mortgages | Mar 2024 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1571-31-3-02-010 |
| Primary APN | 1571-31-3-02-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 10 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,172 sqft Living Area |
| Gross Area | 2,646 sqft |
| 1st Floor Area | 1,114 sqft |
| Basement Area | 1,114 sqft |
| Finished Basement | 1,058 sqft |
| Unfinished Basement | 56 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,100 sqft (0.163 acres) |
| Lot Dimensions | 100 ft deep x 71 ft wide |
| View / Lot | Open Space |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0011497 |
|---|---|
| Street Address | 4415 E 123RD AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3645 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTHAVEN BLK:16 LOT:10 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | 3 |
| Legal Subdivision | NORTHAVEN |
| Legal Block | 16 |
| Legal Lot Number | 10 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 8547 |
4415 E 123rd Ave is owned and occupied by an individual who bought it in January 2008.
Source: Adams County records, as of January 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4415 E 123RD AVE, THORNTON, CO 80241-3645 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 8, 2008 · Amount on File |
| Deed Sale | Jan 8, 2008 · Amount on File |
| Prior Sale | Oct 26, 2007 |
| Deed Document Number | 20081964 |
| Prior Transfer Date | Apr 23, 2002 |
| Prior Transfer Doc | 00C0962707 |
| Record Updated | Jun 8, 2026 |
| Document Type | Beneficiary Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Mar 29, 2024 |
| Property Address | 4415 E 123RD AVE, THORNTON, CO 80241-3645 |
| Document Number | 0000016269 |
| Instrument Date | Mar 13, 2024 |
| Instrument | 2024000016269 |
| Transaction Type | Transfer |
| Record Updated | May 6, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4415 E 123RD AVE, THORNTON, CO 80241-3645 |
The 2025 property tax bill for 4415 E 123rd Ave was $1,147, down 61.8% from the year before.
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 | $1,147.00 (-61.83%) | $29,450 Land $6,530 Building $22,920 | $433,000 Land $96,000 Building $337,000 |
| 2024 | $3,005.00 (-15.87%) | ||
| 2023 | $3,572.00 (+5.96%) | $32,740 (+6.96%) Land $5,820 Building $26,920 | $484,000 (+9.92%) Land $86,000 Building $398,000 |
| 2022 | $3,371.00 | $30,610 Land $11,960 Building $18,650 | $440,330 Land $172,000 Building $268,330 |
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.
FEMA maps place 4415 E 123rd Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 4415 E 123rd Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 719 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Rise Broadband Fixed Wireless | 500 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: AT&T, T-Mobile.
5G (outdoors only) and 4G LTE
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