North Dakota
Buying Land in Traill County, North Dakota
A small, heavily agricultural Red River Valley county where zoning is set township-by-township rather than countywide, much of it decades old and now being reconsidered -- partly because of a specific, currently contested land-use event: a newly permitted 25,000-head dairy operation near Hillsboro.
Zoning runs township-by-township, and most of it predates modern land use pressures
Traill County's zoning structure resembles Cass County's to its south more than it resembles a typical single-authority county: there is no countywide zoning ordinance, and each of the county's 25 townships holds independent zoning authority. According to the county's own recent outreach to township officers, a majority of those township ordinances have gone roughly three decades without an update. That matters in practice for a land buyer because the zoning rule that actually governs a specific unincorporated parcel is whichever ordinance (if any) that parcel's specific township has on the books -- there is no single document or office that covers the whole county.
The county has been trying to change that. Starting around late 2024, Traill County commissioners began approaching individual townships to gauge interest in modernizing their zoning ordinances, bringing in KLJ Engineering to help with the project. County commission meeting minutes from March 2025 show this effort running into delays. Whether any specific township has since adopted a new ordinance -- and what it says -- has to be confirmed directly with that township and the county auditor's office; do not assume either the old ordinance or a hypothetical new one applies without checking.
Building permits are a separate, more centralized layer: the county's published guidance says permits are required for residential properties and for commercial properties outside incorporated city limits (with grain bins and farm buildings/sheds excluded), but the actual approval step is signing off by the applicable township officer, not a countywide planning department. Anyone buying outside a city needs to identify the specific township early and go to that township's officer for both the zoning question and the building permit question.
What's driving the zoning conversation right now: a 25,000-head dairy near Hillsboro
The immediate trigger for renewed interest in township zoning was a specific, large-scale development proposal: Herberg Dairy, a 25,000-head dairy operation (about 21,250 milking cows and 3,750 dry cows) proposed by Riverview LLP, a Minnesota-based dairy company, on a site near Hillsboro Township roughly a mile from the Red River. The scale of the proposal -- large enough that, together with a separate large dairy proposed near Abercrombie in Richland County, it would roughly quadruple the number of milk cows in the state -- pushed local officials and residents to look harder at whether township-level zoning gave them enough say over where and how a facility like this gets sited.
The North Dakota Department of Environmental Quality approved Herberg Dairy's Concentrated Animal Feeding Operation permit in September 2025 after a comment period and a public hearing at Hillsboro High School. That approval did not end the matter: the Dakota Resource Council, an environmental and landowner-rights group, represented by the environmental law nonprofit Food and Water Watch, challenged the permit in East Central Judicial District Court, arguing the state's environmental review was inadequate and that a federal discharge permit should have been required. As of mid-2026 that case was still being actively argued. Anyone evaluating land near this facility should treat the permit's legal status, the facility's manure-management and nutrient-discharge plans, and any odor or water-quality concerns raised by neighbors as current, open questions -- not settled background.
The Goose River, not the Red River: a real but smaller, more localized flood-infrastructure story
Traill County's Red River frontage shares the same river system covered in depth on this site's Cass and Grand Forks county pages, and this page does not repeat that general Red River Valley flood history. What is specific to Traill County is the Goose River, a roughly 179-mile Red River tributary that reaches the Red near Caledonia in the county's southeast. The Goose River has its own documented flood history going back to at least 1897 and the major 1950 Red River Valley flood, and it produced a real, recent infrastructure failure: in spring 2022, heavy rain caused the 87-year-old Mayville Dam (built 1935) to breach along its sidewall, triggering a state of emergency as fast-eroding banks threatened a nearby home. The city subsequently rebuilt the site as a more resilient engineered channel -- earthwork, erosion control, and rock-riffle construction -- rather than simply replacing the original structure.
Countywide, dam, dike, and drainage matters in Traill County (including the Goose River corridor) fall under the Traill County Water Resource District, a five-member board appointed by the county commission. Given the documented 2022 dam failure and the general drainage-heavy character of this Red River Valley county, confirming a specific parcel's proximity to Water Resource District infrastructure and its FEMA flood-zone status is worthwhile due diligence here, even though Traill's flood story is less severe and less extensively documented than its Red River Valley neighbors to the north and south.
Who to Call Before Buying Land in Traill County
Hillsboro, Mayville, and Traill County's other incorporated cities each run their own separate building-permit and, where applicable, zoning process -- contact the specific city hall directly if a parcel is inside its limits. The Traill District Health Unit (based in Hillsboro) also handles local septic evaluation applications directly, but this research pass could not independently verify a current direct phone line for that office beyond its listed fax number -- confirm current contact information with the County Auditor's office before relying on it. Because Traill County has no central zoning office, there is no single phone number for a permitted-use question; the Auditor's office can help identify the correct township, but that township's own officer is the actual authority.
Planning & Zoning
Traill County Auditor's Office
Identifying which of the county's 25 townships governs a specific parcel and connecting with that township's officer for zoning and building-permit questions; general county records and commission meeting information, including the status of the township zoning-modernization project.
Floodplain / Stormwater
Traill County Water Resource District
Dam, dike, and drainage matters countywide, including the Goose River corridor and the Mayville dam reconstruction; floodplain and drainage permit questions for a specific parcel.
Assessor / Property Tax
Traill County Tax Equalization
Current assessed value, property tax questions, and parcel/GIS data for a specific parcel.
Recorder / Clerk / Land Records
Traill County Recorder
Recorded deed, easement, and plat history for a specific parcel.
Agricultural Extension
NDSU Extension -- Traill County
Local agronomic, soil, and farm-management questions for cropland in the county.
Septic / Onsite Wastewater
Fargo Cass Public Health -- Environmental Health
On-site sewage treatment system (septic) minimum standards, which Fargo Cass Public Health's environmental health program applies across Cass, Ransom, Richland, Sargent, and Traill counties.
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Sources
- Traill County, North Dakota -- Official Website — Traill County, North Dakota Government (accessed 2026-09)
- Permits & Planning — Traill County, North Dakota Government (accessed 2026-09)
- County seeks feedback from townships on zoning rules — Hillsboro Banner (accessed 2026-09)
- Environmental agency approves permit for large eastern North Dakota dairy — North Dakota Monitor (accessed 2026-09)
- Opponents of giant North Dakota dairy argue for permit reversal — North Dakota Monitor (accessed 2026-09)
- Holy cows: Minnesota dairy company eyes 25,000-cow herd east of Hillsboro — Hillsboro Banner (accessed 2026-09)
- Failed dam may spare Traill County from flood problems — InForum (accessed 2026-09)
- Goose River busts through Mayville dam — Hillsboro Banner (accessed 2026-09)
- Mayville Dam Reconstruction & River Restoration — Comstock Construction (accessed 2026-09)
- Goose River (North Dakota) — Wikipedia (accessed 2026-09)
- Water Resource District — Traill County, North Dakota Government (accessed 2026-09)
- U.S. Census Bureau QuickFacts / Data USA: Traill County, North Dakota — Data USA (Census-sourced) (accessed 2026-09)
Last reviewed 2026-09