Sheridan County property record for 429 River Ave, Reserve, MT 59258
| Property Type | Mobile Home |
|---|---|
| Details | 3 bd · 2 ba · 1,456 sqft · built 1982 |
| Lot Size | 0.321 acres (13,983 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $278 (2026) |
| APN | R343532 |
| Primary APN | R343532 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,456 sqft Living Area |
| 1st Floor Area | 1,456 sqft |
| Basement Area | 1,456 sqft |
| Unfinished Basement | 1,456 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Mobile Home |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Metal |
| Lot Area | 13,983 sqft (0.321 acres) |
| Garage Type | Detached |
| Garage Area | 936 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 100 sqft |
| Shed | 1 Shed |
| Shed Area | 64 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Oil |
| Sewer | Septic |
| Water Source | Well |
| Account Number | 0000217801 |
|---|---|
| Street Address | 429 RIVER AVE |
| City | RESERVE |
| State | MT |
| Zip | 59258-8509 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | RESERVE ORIGINAL TOWNSITE, S24, T33 N, R55 E, BLOCK 9, LOT 15 - 16, 1982 MARSHFIELD 26 X 56 ON BASEMENT W/ GARAGE |
| Legal Range | 55E |
| Legal Township | 33N |
| Legal Section | 24 |
| Legal Subdivision | RESERVE ORIGINAL TOWNSITE |
| Legal Block | 9 |
| Legal Lot Number | 15-16 |
| Jurisdiction | SHERIDAN MT |
| Township / Civil Division | FORT PECK RESERVATION |
| Census Block Group | 1 |
| Census Block | 1559 |
| Census Tract | 90400 |
429 River Ave, a mobile home, is owned and occupied by two individuals who acquired it in January 2007.
Source: Sheridan County records, as of September 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 429 RIVER AVE, RESERVE, MT 59258-8509 |
| Occupancy | Owner Occupied |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 17, 2007 |
| Deed Sale | Jan 17, 2007 |
| Deed Book / Page | 616 / 351 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 429 River Ave was $278, down 47.3% from the year before.
Source: Sheridan County assessment roll, as of September 21, 2026
| Type | Name |
|---|---|
| State | Montana |
| County | Sheridan County |
| Unified School District | Medicine Lake K-12 Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $278.00 (-47.35%) | $45,963 (-) | |
| 2025 | $528.00 | $45,963 | $45,963 Land $2,613 Building $43,350 |
| 2023 | $646.00 | $47,118 | $47,118 Land $2,038 Building $45,080 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA has no flood map on file for 429 River Ave.
Source: FEMA National Flood Hazard Layer
| FEMA Flood Zone | Not on file |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 429 River Ave is moderate, ranking above 56% 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 56% of the US · lower than 68% of Montana |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 | ASSINIBOINE & SIOUX RURAL WATER SYSTEM federal government · serves 1,726 people · EPA ID 083090050 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2024 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 4 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 42 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Nemont Fiber | 1,000 / 1,000 |
5G (outdoors only) and 4G LTE
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