Adams County property record for 5021 E 123rd Ave, Thornton, CO 80241
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Details | 48,973 sqft · built 1986 |
| Lot Size | 4.06 acres (177,028 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $84,994 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0011808 |
| Primary APN | R0011808 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 48,973 sqft Total Area |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Architectural Style | Other |
| Roof Type | Flat |
| Lot Area | 177,028 sqft (4.06 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | R0011808 |
|---|---|
| Old Parcel Number | 157131401003 |
| Street Address | 5021 E 123RD AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-3203 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Legal Description | SUB:A REPLAT TRACT A CONCORD FILING NO 1 LOT:2 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | NE |
| Legal Subdivision | A REPLAT TRACT A CONCORD FILING NO 1 |
| Legal Tract | A |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 8547 |
Source: Adams County records, as of February 9, 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 | 1500 E 128TH AVE, THORNTON, CO 80241-2601 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 26, 2003 |
| Deed Sale | Sep 26, 2003 |
| Deed Document Number | C1215712 |
| 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 | $84,994.00 Additional exemption filed | $2,004,390 (-3.63%) Land $119,490 Building $1,884,900 | $7,423,691 (-0.41%) Land $442,570 Building $6,981,121 |
| 2023 | Additional exemption filed | $2,079,830 (+31.55%) Land $123,480 Building $1,956,350 | $7,454,564 (+36.74%) Land $442,570 Building $7,011,994 |
| 2022 | Additional exemption filed | $1,581,000 Land $256,700 Building $1,324,300 | $5,451,691 Land $885,140 Building $4,566,551 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, 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 |
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.
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