Adams County property record for 9946 Madison St, Thornton, CO 80229
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,557 sqft · built 1980 |
| Lot Size | 0.216 acres (9,416 sqft) |
| Owner | Individual Name on File |
| Last Sale | $200,900 (Apr 2015) |
| Tax Bill | $1,256 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1719-13-4-09-002 |
| Primary APN | 1719-13-4-09-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,557 sqft Living Area |
| Gross Area | 3,303 sqft |
| Basement Area | 475 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Split Level |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 9,416 sqft (0.216 acres) |
| Lot Dimensions | 107 ft deep x 88 ft wide |
| Garage Type | Attached |
| Garage Area | 525 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Slab |
| Deck Area | 288 sqft |
| Patio Area | 288 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0040387 |
|---|---|
| Street Address | 9946 MADISON ST |
| City | THORNTON |
| State | CO |
| Zip | 80229-2804 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:5 LOT:25 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | 4 |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 5 |
| Legal Lot Number | 25 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 9207 |
9946 Madison St is owned and occupied by an individual who bought it in April 2015.
Source: Adams County records, as of January 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 9946 MADISON ST, THORNTON, CO 80229-2804 |
| 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 | Apr 14, 2015 · Amount on File |
| Deed Sale | Apr 14, 2015 · Amount on File |
| Prior Sale | Jun 18, 2014 |
| Deed Document Number | 201526713 |
| Prior Transfer Date | Mar 31, 2006 |
| Prior Transfer Doc | 0000352280 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 9946 Madison St was $1,256, down 57.7% 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 | Mapleton School District 1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,256.00 (-57.67%) | $32,230 Land $6,120 Building $26,110 | $474,000 Land $90,000 Building $384,000 |
| 2024 | $2,967.00 (-14.74%) | ||
| 2023 | $3,480.00 (+9.47%) | $35,250 (+10.5%) Land $5,750 Building $29,500 | $521,000 (+13.54%) Land $85,000 Building $436,000 |
| 2022 | $3,179.00 | $31,900 Land $11,820 Building $20,080 | $458,860 Land $170,000 Building $288,860 |
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 9946 Madison 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 9946 Madison 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 | 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 631 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL | 140 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Aerux Broadband.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures