Madison County property record for 3 Sioux Rd, Big Sky, MT 59716
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5.5 ba · 1,809 sqft · built 2018 |
| Lot Size | 1.04 acres (45,302 sqft) |
| Owner | 2 Trust Names on Record |
| Tax Bill | $16,912 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | R2520180 |
| Primary APN | R2520180 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,809 sqft Living Area |
| 1st Floor Area | 1,809 sqft |
| Attic | Attic |
| Attic Area | 280 sqft |
| Basement Area | 1,714 sqft |
| Finished Basement | 1,714 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Foundation Type | Concrete |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 45,302 sqft (1.04 acres) |
| Terrain | Rolling |
| Garage Area | 700 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Slab |
| Porch Area | 344 sqft |
| Deck Area | 316 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0029004100 |
|---|---|
| Street Address | 3 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 1, PLAT 4/153A |
| Legal Range | 03E |
| Legal Township | 06S |
| Legal Section | 19 |
| Legal Subdivision | CASCADE SUB (BIG SKY) |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | MADISON MT |
| Township / Civil Division | MADISON VALLEY |
| Census Block Group | 1 |
| Census Block | 1354 |
| Census Tract | 102 |
Source: Madison County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Trust Names on Record |
|---|---|
| Mailing Address | 15511 HIGH KNOLL RD, ENCINO, CA 91436-3418 |
| Owner Type | Individual |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $16,912.00 (+6.64%) | $4,484,100 (-16.56%) | |
| 2025 | $15,859.00 (+10.25%) | $5,373,900 (+26.61%) | $4,484,100 (+5.65%) Land $1,271,272 Building $3,212,828 |
| 2023 | $14,384.00 | $4,244,400 | $4,244,400 Land $628,501 Building $3,615,899 |
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 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 Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 65% of Montana |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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