Custer County property record for 186 Rd 425, Ismay, MT 59336
| Property Type | Rural Home |
|---|---|
| Details | 2 bd · 1 ba · 816 sqft · built 1958 |
| Lot Size | 320 acres (13,939,200 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,130 (2026) |
| Flood Zone | Zone D (undetermined) |
| APN | 000RGI0931 |
| Primary APN | 000RGI0931 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 816 sqft Living Area |
| 1st Floor Area | 816 sqft |
| Basement Area | 816 sqft |
| Unfinished Basement | 816 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 13,939,200 sqft (320 acres) |
| Garage Type | Mixed |
| Garage Area | 1,248 sqft |
| Parking Spaces | 6 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 144 sqft |
| Shed | 1 Shed |
| Shed Area | 384 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Well |
| Account Number | 000RGI0931 |
|---|---|
| Street Address | 186 ROAD 425 |
| City | ISMAY |
| State | MT |
| Zip | 59336-9435 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | S14, T07 N, R53 E, S2 |
| Legal Range | 53E |
| Legal Township | 07N |
| Legal Section | 14 |
| Jurisdiction | CUSTER MT |
| Township / Civil Division | SHIRLEY-ISMAY |
| Census Block Group | 2 |
| Census Block | 2052 |
| Census Tract | 961300 |
186 Rd 425, a rural home, is owned by a company.
Source: Custer County records, as of September 9, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 186 ROAD 425, ISMAY, MT 59336-9435 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 186 Rd 425 was $1,130, down 40.4% from the year before.
Source: Custer County assessment roll, as of September 9, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Custer County |
| Secondary School District | Custer County High School District (09 - 12) |
| Elementary School District | Trail Creek Elementary School District (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,130.00 (-40.4%) | $128,859 (-) | |
| 2025 | $1,896.00 | $128,859 | $128,859 Land $36,209 Building $92,650 |
| 2023 | $1,841.00 | $107,741 | $107,741 Land $33,551 Building $74,190 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 186 Rd 425 in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective November 16, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 186 Rd 425 is high, ranking above 80% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 80% of the US · above 70% of Montana |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, as of December 31, 2025
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