Custer County property record for 1125 Rd 421, Ismay, MT 59336
| Property Type | Rural Home |
|---|---|
| Details | 4 bd · 2 ba · 2,610 sqft · built 2007 |
| Lot Size | 572 acres (24,923,725 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,541 (2026) |
| Flood Zone | Zone D (undetermined) |
| APN | 000RKJ0760 |
| Primary APN | 000RKJ0760 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 2,610 sqft Living Area |
| 1st Floor Area | 2,610 sqft |
| Basement Area | 2,610 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 24,923,725 sqft (572 acres) |
| Terrain | Wooded |
| Garage Area | 300 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,079 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 000RKJ0760 |
|---|---|
| Street Address | 1155 ROAD 421 |
| City | ISMAY |
| State | MT |
| Zip | 59336-9011 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | S17, T03 N, R54 E, LTS 1, 3-5, NENW, SESW, E2 |
| Legal Range | 54E |
| Legal Township | 03N |
| Legal Section | 17 |
| Legal Lot Number | 1,3-5 |
| Jurisdiction | CUSTER MT |
| Township / Civil Division | SHIRLEY-ISMAY |
| Census Block Group | 1 |
| Census Block | 1308 |
| Census Tract | 961300 |
1125 Rd 421, 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 | PO BOX 3688, SALT LAKE CITY, UT 84110-3688 |
| 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 1125 Rd 421 was $4,541.
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 | $4,541.00 | $538,717 | |
| 2025 | $538,717 Land $46,007 Building $492,710 | ||
| 2023 | $3,501.00 | $439,769 | $439,769 Land $43,059 Building $396,710 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1125 Rd 421 in Zone D, where flood risk has not been studied, though there have been 1 flood claim nearby since 2011.
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 Claims | 1 (2011) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | May 2011 · Severe Storms And Flooding |
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 1125 Rd 421 is moderate, ranking above 55% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 55% of the US · lower than 69% of Montana |
|---|---|
| Wildfire Likelihood | 0.1% 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: FCC Broadband Data Collection, based on 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
No cell data coverage reported
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