Custer County property record for 511 William St, Miles City, MT 59301
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 392 sqft · built 1944 |
| Lot Size | 0.172 acres (7,492 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $753 (2026) |
| Flood Zone | Zone AE (high risk) |
| APN | 000RMS1363 |
| Primary APN | 000RMS1363 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 2 Rooms |
| Stories | 1 Story |
| Building Area | 392 sqft Living Area |
| 1st Floor Area | 392 sqft |
| Year Built | Built 1944 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 7,492 sqft (0.172 acres) |
| Shed | 1 Shed |
| Shed Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 000RMS1363 |
|---|---|
| Street Address | 511 WILLIAM ST |
| City | MILES CITY |
| State | MT |
| Zip | 59301-2338 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Description | GORDON'S ADDITION, S28, T08 N, R47 E, BLOCK 12, LOT 7 |
| Legal Range | 47E |
| Legal Township | 08N |
| Legal Section | 28 |
| Legal Subdivision | GORDON'S ADDITION |
| Legal Block | 12 |
| Legal Lot Number | 7 |
| Jurisdiction | CUSTER MT |
| Township / Civil Division | MILES CITY |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 961500 |
511 William St, a single family home, is owned by an individual.
Source: Custer County records, as of September 9, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 209 N STREVELL AVE, MILES CITY, MT 59301-2739 |
| Owner Type | Individual |
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 511 William St was $753, up 26.3% from the year before.
Source: Custer County assessment roll, as of September 9, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Custer County |
| Municipality | Miles City |
| Secondary School District | Custer County High School District (09 - 12) |
| Elementary School District | Miles City Elementary School District (PK - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $753.00 (+26.34%) | $40,619 (-) | |
| 2025 | $596.00 | $40,619 | $40,619 Land $10,979 Building $29,640 |
| 2023 | $569.00 | $25,968 | $25,968 Land $2,278 Building $23,690 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 511 William St in Zone AE, a high-risk flood area within the regulatory floodway; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective November 16, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 60 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 60 in force |
| Nearby Flood Claims | 19 (1979–2011) |
| Most Recent Claim | Jul 2011 |
| Claims by Event |
|
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 511 William St is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 88% of Montana |
|---|---|
| Wildfire Likelihood | 0.03% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF MILES CITY serves 9,565 people · EPA ID MT0000291 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2025 |
| Lead | 3 ppb (2023–2025) action level 15 ppb |
| Water Quality | Treatment failure not recorded as resolved · Aug 2023 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 257 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Mid-Rivers Communications Cable | 900 / 90 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
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