Custer County property record for 409 Main St, Ismay, MT 59336 · Last verified November 2025
| Property Type | Post Office |
|---|---|
| Details | 800 sqft · built 2020 |
| Lot Size | 0.08 acres (3,528 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $820 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 000RIS3681 |
| Primary APN | 000RIS3681 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 800 sqft Total Area |
| 1st Floor Area | 800 sqft |
| Year Built | Built 2020 |
|---|---|
| Construction Type | Wood |
| Lot Area | 3,528 sqft (0.08 acres) |
| Cooling System | Package A/C |
|---|---|
| Heating System | Space Heater |
| Sewer | Septic |
| Water Source | Well |
| Account Number | 000RIS3681 |
|---|---|
| Street Address | 409 MAIN ST |
| City | ISMAY |
| State | MT |
| Zip | 59336-9998 |
| Property Category | Public Works |
| Property Type | Public Works > Post Office |
| Legal Description | ISMAY ORIGINAL TOWNSITE, S27, T09 N, R55 E, BLOCK 006, LOT 009 |
| Legal Subdivision | ISMAY ORIGINAL TOWNSITE |
| Legal Block | 6 |
| Legal Lot Number | 9 |
| Jurisdiction | CUSTER MT |
| Township / Civil Division | SHIRLEY-ISMAY |
| Census Block Group | 2 |
| Census Block | 2069 |
| Census Tract | 961300 |
Source: Custer County records · APN 000RIS3681
Assessment roll updated December 31, 2024 · Last verified November 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 94, ISMAY, MT 59336-0094 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 21, 2006 |
| Deed Sale | Sep 21, 2006 |
| Deed Document Number | 0000136051 |
| Record Updated | Jun 08, 2026 |
Source: Custer County records · Assessment roll updated December 31, 2024 · Last verified November 2025
| Type | Name |
|---|---|
| State | Montana |
| County | Custer County |
| Municipality | Ismay Town |
| Secondary School District | Custer County High School District (09 - 12) |
| Elementary School District | Trail Creek Elementary School District (PK - 08) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $820.00 (-9.19%) | $91,785 (+9.63%) | $91,785 (+9.63%) Land $655 Building $91,130 |
| 2023 | $903.00 | $83,726 | $83,726 Land $836 Building $82,890 |
Source: FEMA National Flood Hazard Layer, Custer County (30017C), updated November 16, 2022 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 300179613002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone D |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Undetermined not studied |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | High above 73% of the US · above 55% of Montana |
|---|---|
| Wildfire Likelihood | About 1 in 300 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 21 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Mid-Rivers Telephone Cooperative. Availability varies by address; speeds are provider-advertised maximums, not measured.
4G LTE (outdoors only), no 5G reported
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