Montana
Buying Land in Valley County, Montana
Valley County stretches from the Fort Peck Dam and Reservoir -- a federal Missouri River project run by the Army Corps of Engineers, not the county -- across ranching and dryland-farming country toward the Fort Peck Indian Reservation's western edge. Glasgow houses a combined Planning/GIS department and a dedicated county Sanitarian, but this page could not confirm from public records whether the county has adopted county-wide zoning.
Fort Peck Dam and Lake: a federal project you don't own a piece of
Fort Peck Dam is one of six major U.S. Army Corps of Engineers dams on the Missouri River, built between 1933 and 1940 as a Public Works Administration project under the New Deal. It's an earthen dam roughly four miles long (21,026 feet) and 250 feet high, built with about 125 million cubic yards of hydraulically deposited fill -- one of the largest earth-filled dams anywhere. The reservoir it creates, Fort Peck Lake, runs 134 miles long with more than 1,500 miles of shoreline, and the Corps has operated the dam continuously since 1940 for flood control, hydropower, and municipal/industrial water supply.
The practical point for a land buyer: none of this infrastructure or its operating rules belong to Valley County. Reservoir water levels follow the Corps' own operating plan for the whole Missouri River system, and recreation-area management, boat-ramp access, and shoreline rules around the lake run through the Corps' local project office rather than county government. If a parcel is marketed with lake access or lake-adjacent recreational value, verify the actual boundary between private land and Corps-managed shoreline directly -- lake level and managed shoreline extent are not fixed the way a property line is.
The Fort Peck Reservation's western edge, and a large block of federal refuge land
The Fort Peck Indian Reservation -- home to the Assiniboine and Sioux Tribes and, at roughly 2 million acres within its exterior boundary, one of the largest reservations in Montana -- extends across parts of four counties, Valley among them (Roosevelt County holds the largest share). A parcel that falls within the reservation boundary is not automatically tribal trust land -- reservations typically include a mix of tribal trust, individual allotted trust, and non-Indian fee land, a legacy of the 1887 General Allotment Act era -- but if you're looking at land inside the reservation boundary, confirm its specific status and any required Bureau of Indian Affairs involvement before assuming a conventional closing process.
Separately, the Charles M. Russell National Wildlife Refuge -- roughly 1.1 million acres along the Missouri River, managed by the U.S. Fish and Wildlife Service -- spans parts of six Montana counties, including Valley, with BLM land bordering much of it. As with the reservation, this is relevant less because you'd be buying refuge land (you wouldn't) and more because a private parcel adjacent to or surrounded by the refuge and BLM acreage may have different practical access, grazing-allotment, and hunting-access dynamics than a comparable parcel entirely surrounded by other private land.
Planning, GIS, and septic: more county capacity than some neighbors, but zoning status unconfirmed
Valley County runs a combined Planning and GIS Department out of the Glasgow courthouse -- a step up in administrative capacity from several of its smaller neighboring counties, which often have no dedicated planner at all. The county also staffs a dedicated Sanitarian for septic and wastewater review, rather than relying on a shared regional health district as some central Montana counties do. That said, this page could not independently confirm from public sources whether Valley County has adopted a county-wide zoning ordinance, part-time zoning districts, or no zoning at all -- the county's own site describes the Planning/GIS department's role in general terms without specifying the current zoning framework. Ask directly before making any assumption about what a given parcel can or can't be used for.
Who to Call Before Buying Land in Valley County
This page could not confirm Valley County's current zoning status (county-wide, part-time district, or none) from public sources -- the Planning/GIS department's own description is general enough that it should not be read as confirming county-wide zoning either way. For anything specific to the Fort Peck Dam/Lake project itself (water levels, recreation-area rules, shoreline boundaries), contact is with the U.S. Army Corps of Engineers' Fort Peck project office, not Valley County. For land inside the Fort Peck Reservation boundary, the Bureau of Indian Affairs' Fort Peck Agency is the relevant federal contact for trust-land questions.
Planning & Zoning
Valley County Planning/GIS Department
Confirming current zoning status, subdivision review, and land-use questions for a specific parcel.
GIS / Parcel Records
Valley County Planning/GIS Department
Parcel maps, zoning-district boundaries, and GIS data for a specific property.
Environmental Health
Valley County Sanitarian / Environmental Health
Septic (wastewater system) permitting, site evaluations, and well-related environmental health questions.
Floodplain / Stormwater
Valley County Floodplain Administrator
Floodplain permit requirements and flood-zone status for a specific parcel, including any land near Fort Peck Lake or the Milk/Missouri River drainages.
Assessor / Property Tax
Montana Department of Revenue -- Glasgow Field Office
Property appraisal, classification, and assessed-value questions for a specific parcel (Montana property valuation is a state Department of Revenue function, not a locally elected assessor).
Recorder / Clerk / Land Records
Valley County Clerk and Recorder
Recorded deeds, mortgages, certificates of survey, and plat history for a specific parcel.
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Get local guidanceTopics Specific to Valley County
Sources
- Planning — Valley County, Montana Government (accessed 2026-09)
- Sanitarian — Valley County, Montana Government (accessed 2026-09)
- Local Floodplain Administrators contact list — Montana DNRC (accessed 2026-09)
- Field Office Locations — Montana Department of Revenue (accessed 2026-09)
- Fort Peck Dam — Wikipedia, citing U.S. Army Corps of Engineers project data (accessed 2026-09)
- Omaha District -- Fort Peck (Missouri River Dams) — U.S. Army Corps of Engineers, Omaha District (accessed 2026-09)
- Fort Peck Indian Reservation — Wikipedia (accessed 2026-09)
- Fort Peck Assiniboine and Sioux Tribes — Tribal Nations of Montana / Montana Governor's Office of Indian Affairs (accessed 2026-09)
- Charles M. Russell National Wildlife Refuge — U.S. Fish and Wildlife Service (accessed 2026-09)
Last reviewed 2026-09