Adams County property record for 5210 E 123rd Ave, Thornton, CO 80241
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,550 sqft · built 1993 |
| Lot Size | 0.119 acres (5,200 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $218,500 (Jul 2003) |
| Tax Bill | $3,635 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1571-31-4-08-041 |
| Primary APN | 1571-31-4-08-041 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,550 sqft Living Area |
| Gross Area | 2,385 sqft |
| 1st Floor Area | 753 sqft |
| 2nd Floor Area | 797 sqft |
| Basement Area | 415 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 5,200 sqft (0.119 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0012031 |
|---|---|
| Street Address | 5210 E 123RD AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3285 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:CONCORD FILING NO 1 BLK:8 LOT:41 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | 4 |
| Legal Subdivision | CONCORD FILING NO 1 |
| Legal Block | 8 |
| Legal Lot Number | 41 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 8547 |
Source: Adams County records, as of August 26, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5210 E 123RD AVE, THORNTON, CO 80241-3285 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 31, 2003 · Amount on Record |
| Deed Sale | Jul 31, 2003 · Amount on Record |
| Prior Sale | Apr 2, 1998 · Amount on Record |
| Deed Document Number | 20031184642 |
| Record Updated | Oct 29, 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 | $3,635.00 (-5.09%) | $32,300 (-8%) Land $6,800 Building $25,500 | $475,000 (-8.48%) Land $100,000 Building $375,000 |
| 2023 | $3,830.00 (+12.35%) | $35,110 (+13.44%) Land $6,090 Building $29,020 | $519,000 (+16.59%) Land $90,000 Building $429,000 |
| 2022 | $3,409.00 | $30,950 Land $12,240 Building $18,710 | $445,139 Land $176,000 Building $269,139 |
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 |
|---|---|
| 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 | 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 820 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Xfinity Cable | 2,000 / 250 |
| Rise Broadband Fixed Wireless | 300 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T, Intrepid Fiber Networks, T-Mobile, Ting.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures