Adams County property record for 10120 Grant St, Thornton, CO 80229
| Property Type | Auto Repair, Garage |
|---|---|
| Details | 18,728 sqft · built 2004 |
| Lot Size | 2.71 acres (118,048 sqft) |
| Owner | Owner Name on File |
| Last Sale | $591,200 (Oct 2003) |
| Tax Bill | $42,883 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0142647 |
| Primary APN | R0142647 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 18,728 sqft Total Area |
| Year Built | Built 2004 |
|---|---|
| Architectural Style | Other |
| Fire Resistance | Masonry Walls, Wood Interior |
| Roof Type | Flat |
| Lot Area | 118,048 sqft (2.71 acres) |
| Heating System | Radiant |
|---|
| Account Number | R0142647 |
|---|---|
| Old Parcel Number | 171915102027 |
| Street Address | 10120 GRANT ST |
| City | THORNTON |
| State | CO |
| Zip | 80229-2051 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Auto Repair, Garage |
| Legal Description | SUB:HORIZON MEADOWS SUBD FILING NO 1 AMD 1 LOT:3D |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 15 |
| Legal Quarter | NE |
| Legal Subdivision | HORIZON MEADOWS SUBD FILING NO 1 AMD 1 |
| Legal Lot Number | 3D |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 9203 |
The current owner of 10120 Grant St bought it in October 2003.
Source: Adams County records, as of February 9, 2026
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 11995 EL CAMINO REAL, SAN DIEGO, CA 92130-2539 |
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 | Oct 15, 2003 · Amount on File |
| Deed Sale | Oct 15, 2003 · Amount on File |
| Deed Document Number | C1224239 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 10120 Grant St was $42,883.
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 | $42,883.00 | $1,011,310 Land $351,190 Building $660,120 | $3,745,600 Land $1,300,695 Building $2,444,905 |
| 2023 | $109,373.00 (-12.21%) | $992,770 (-12.22%) Land $346,400 Building $646,370 | $3,558,321 (-8.76%) Land $1,241,573 Building $2,316,748 |
| 2022 | $124,587.00 | $1,130,970 Land $720,120 Building $410,850 | $3,899,874 Land $2,483,146 Building $1,416,728 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10120 Grant St in Zone X, an area of minimal flood risk, within 500 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 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.
The area around 10120 Grant St 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 135 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Intrepid Fiber Networks.
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