Adams County property record for 9231 York St, Thornton, CO 80229
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,416 sqft · built 1956 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Owner Name on File |
| Last Sale | $172,000 (Jul 2002) |
| Tax Bill | $1,044 (2025) |
| Deeds & Mortgages | Jul 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | R0052132 |
| Primary APN | R0052132 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,416 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Ranch |
| Exterior Material | Brick/Stone |
| Construction Type | Frame |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 6,970 sqft (0.16 acres) |
| Lot Dimensions | 105 ft deep x 66 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Account Number | R0052132 |
|---|---|
| Old Parcel Number | 171923126022 |
| Street Address | 9231 YORK ST |
| City | THORNTON |
| State | CO |
| Zip | 80229-7685 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:THORNTON BLK:60 LOT:24 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 23 |
| Legal Quarter | SW |
| Legal Subdivision | THORNTON |
| Legal Block | 60 |
| Legal Lot Number | 24 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 9101 |
The current owner of 9231 York St bought it in July 2002.
Source: Adams County records, as of February 9, 2026
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 9231 YORK ST, THORNTON, CO 80229-7685 |
| Occupancy | Owner Occupied |
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 | Jul 1, 2002 · Amount on File |
| Deed Sale | Jul 1, 2002 · Amount on File |
| Prior Sale | Apr 24, 2002 |
| Deed Document Number | C0990340 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 9231 YORK ST, THORNTON, CO 80229-7685 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000057544 |
|---|---|
| Date | Jul 5, 2017 |
| Instrument | 2017000057544 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 239 Months |
| Due | Jun 1, 2037 |
The 2025 property tax bill for 9231 York St was $1,044.
Source: Adams County assessment roll, as of August 25, 2025
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Mapleton School District 1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,044.00 | $24,630 Land $5,630 Building $19,000 | $394,000 Land $90,000 Building $304,000 |
| 2023 | $2,818.00 (+4.49%) | $28,550 (+5.51%) Land $6,090 Building $22,460 | $422,000 (+8.36%) Land $90,000 Building $332,000 |
| 2022 | $2,697.00 | $27,060 Land $10,560 Building $16,500 | $389,426 Land $152,000 Building $237,426 |
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 9231 York St in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 9231 York St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 644 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| CenturyLink Fiber | 2,000 / 1,000 |
May also be available: Aerux Broadband, AT&T, T-Mobile, Verizon.
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