Madison County property record for 10 Sioux Rd, Big Sky, MT 59716
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,435 sqft · built 1996 |
| Lot Size | 0.627 acres (27,312 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $11,442 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R2520413 |
| Primary APN | R2520413 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,435 sqft Living Area |
| 1st Floor Area | 1,435 sqft |
| Basement Area | 1,302 sqft |
| Finished Basement | 1,302 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 27,312 sqft (0.627 acres) |
| Terrain | Rolling |
| View / Lot | Mountain |
| Garage Area | 600 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Slab |
| Porch Area | 129 sqft |
| Deck Area | 98 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0029006700 |
|---|---|
| Street Address | 10 SIOUX RD |
| City | BIG SKY |
| State | MT |
| Zip | 59716 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | CASCADE SUB (BIG SKY), S19, T06 S, R03 E, BLOCK 1, LOT 11, PLAT 4/153A |
| Legal Range | 03E |
| Legal Township | 06S |
| Legal Section | 19 |
| Legal Subdivision | CASCADE SUB (BIG SKY) |
| Legal Block | 1 |
| Legal Lot Number | 11 |
| Jurisdiction | MADISON MT |
| Township / Civil Division | MADISON VALLEY |
| Census Block Group | 1 |
| Census Block | 1354 |
| Census Tract | 102 |
10 Sioux Rd is held in a trust since August 2023.
Source: Madison County records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 714 FLORIDA BLVD, ALTAMONTE SPRINGS, FL 32701-2721 |
| Owner Type | Individual |
| Vesting | Trust |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Aug 28, 2023 |
| Deed Sale | Aug 28, 2023 |
| Deed Document Number | 2023211129 |
| Prior Transfer Date | Aug 9, 2023 |
| Prior Transfer Doc | 0000211129 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 10 Sioux Rd was $11,442, up 18.5% from the year before.
Source: Madison County assessment roll, as of September 14, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Madison County |
| Unified School District | Ennis K-12 Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $11,442.00 (+18.53%) | $3,031,200 (-) | |
| 2025 | $9,653.00 | $3,031,200 | $3,031,200 Land $1,084,451 Building $1,946,749 |
| 2023 | $7,210.00 | $2,223,100 | $2,223,100 Land $529,426 Building $1,693,674 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 10 Sioux Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 15 policies |
| Nearby Flood Policies | 15 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 10 Sioux Rd is high, ranking above 73% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 73% of the US · above 56% of Montana |
|---|---|
| Wildfire Likelihood | 0.3% 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 | BIG SKY COUNTY WATER AND SEWER DIST 363 serves 4,132 people · EPA ID MT0002385 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | 5 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 47 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| 3 Rivers Communications Fiber | 1,000 / 1,000 |
May also be available: T-Mobile.
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