US Land Life

South Dakota

Buying Land in Grant County, South Dakota

Northeastern South Dakota's Grant County, seat Milbank, is a genuine exception to the state's patchwork zoning picture -- it has an actively administered comprehensive zoning ordinance -- and it sits at the center of a cluster of large utility-scale wind energy projects that have gone through formal state siting review. Add Big Stone Lake frontage in the county's northeast corner and a dairy-heavy farm economy, and Grant County's land-use picture is more regulated and more energy-development-adjacent than a typical rural SD county.

Real, Actively Administered County Zoning

Generally favorable

Grant County has adopted a Comprehensive Zoning Ordinance, administered through a dedicated Planning & Zoning Office (separate from the Auditor's office) that also handles the county's Subdivision and Drainage Ordinances and a Comprehensive Land Use Plan. This is a real exception to the pattern described on the South Dakota state hub, where many rural counties have never adopted zoning -- in Grant County, a parcel's zoning district is a genuine, checkable fact. Confirm current district and any amendments since the last compiled version with the Planning & Zoning Office directly.

Utility-Scale Wind Energy Development Nearby

Case-by-case / verify locally

Grant County (jointly with neighboring Codington and Roberts Counties) has hosted several major wind energy siting dockets before the South Dakota Public Utilities Commission since 2018 -- Dakota Range I and II, Dakota Range III, and Crowned Ridge Wind -- with the Crowned Ridge permit litigated all the way to the South Dakota Supreme Court, which upheld the PUC's approval. Grant County's own zoning ordinance sets a commercial wind energy conversion system setback of 1.1 times tower height. A parcel near an existing or proposed turbine string may be affected by a recorded easement, a setback restriction, or simply visual and noise proximity -- check PUC docket maps and the county's Planning Office for anything sited near a specific parcel.

Big Stone Lake Frontage in the County's Northeast Corner

Could not confirm

Big Stone Lake -- a 12,600-plus acre, 26-mile-long natural lake on the Minnesota border, known for its fishing -- reaches into Grant County's northeastern corner near Big Stone City. This gives a slice of the county a real lake-recreation land market distinct from the surrounding dairy and row-crop farmland, but we could not independently confirm whether the county zoning ordinance carries a specific lakeshore or shoreland overlay district (as opposed to standard rural district rules) for lake-adjacent parcels -- confirm directly with the Planning & Zoning Office for any lake-frontage parcel.

A zoned county, and one shaped by large wind energy projects

Grant County breaks from the pattern described on this site's South Dakota state hub, where county zoning is optional under SDCL Chapter 11-2 and a meaningful share of rural counties have never adopted it. Grant County has a Comprehensive Zoning Ordinance, a Subdivision Ordinance, and a Drainage Ordinance, all administered by a dedicated Planning & Zoning Office at the Grant County Courthouse in Milbank -- separate from the Auditor's office, which handles that function in many unzoned counties. That means a specific parcel here genuinely does sit in a defined zoning district (agricultural, residential, or otherwise), and building, subdivision, and use questions run through an office set up specifically for that purpose rather than being handled ad hoc.

The county's zoning ordinance also had to grapple with something most rural South Dakota counties haven't: large-scale wind energy development. Grant County sits at the center of a cluster of utility-scale wind farms sited through South Dakota Public Utilities Commission dockets between 2018 and 2019 -- Dakota Range I and II (a 72-turbine, roughly 302-megawatt Xcel Energy project spanning Grant and Codington Counties), Dakota Range III (with an associated 345-kV transmission line crossing Grant and Roberts Counties), and Crowned Ridge Wind (spanning Grant and Codington Counties, later challenged in court and ultimately upheld by the South Dakota Supreme Court). Grant County's own zoning ordinance sets a specific setback for commercial wind energy conversion systems of 1.1 times tower height. For a buyer, this means checking whether a specific parcel sits near an existing turbine string, a transmission corridor, or a wind-lease-encumbered neighboring tract is a real, practical due-diligence step here in a way it typically isn't in a county without comparable development.

Big Stone Lake, dairy country, and a modest but stable population

Grant County's roughly 691 square miles span the Coteau des Prairies uplands and the valley around Big Stone Lake, a 12,600-plus-acre natural lake stretching some 26 miles along the Minnesota border, reachable from the county's northeastern corner near Big Stone City. That gives a slice of Grant County a genuine lake-recreation land market -- fishing, cabins, lake lots -- layered on top of an economy that is otherwise described locally as "mostly dairy country," alongside broader agriculture, manufacturing, and healthcare employment. As of the most recent Census Bureau figures, Grant County's population sits at roughly 7,550-7,560, essentially flat over the past several years -- a more stable trend than many of South Dakota's smaller rural counties.

Practically, this mix means a Grant County land purchase can fall into meaningfully different categories depending on where in the county it sits -- a dairy or row-crop parcel in the zoned agricultural district, a lake lot near Big Stone Lake with its own market dynamics, or a tract near one of the wind energy corridors with lease or easement considerations to check. In every case, the county's active Planning & Zoning Office, rather than the Auditor, is the right first call to confirm zoning district, any wind-setback or lakeshore provisions that apply, and current subdivision requirements before you buy.

Who to Call Before Buying Land in Grant County

We could not confirm a direct email address for the Grant County Planning & Zoning Office beyond its main phone line and website; the Planning & Zoning Officer at the time of research was listed as Steve Berkner. We also could not confirm whether the county's zoning ordinance includes a distinct lakeshore or shoreland overlay for parcels near Big Stone Lake -- confirm directly with Planning & Zoning for any lake-adjacent parcel.

Planning & Zoning

Grant County Planning & Zoning Office

Zoning district confirmation, subdivision ordinance questions, wind-energy setback questions, and building permits.

Phone: (605) 432-7580Official website →

Assessor / Property Tax

Grant County Director of Equalization

Assessed value and property tax questions for a specific parcel.

Phone: (605) 432-6532Official website →

Recorder / Clerk / Land Records

Grant County Register of Deeds

Recorded deed, easement (including wind-lease and transmission easements), and plat history for a specific parcel.

Phone: (605) 432-4752Email: Rebecca.Wellnitz@grantcountysd.usOfficial website →

Other

South Dakota Public Utilities Commission

Docket records, siting maps, and permit conditions for the Dakota Range and Crowned Ridge wind energy projects affecting Grant County.

Official website →

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Topics Specific to Grant County

Wind Energy Land Leasing in Grant County, South Dakota →

Sources

  1. Grant County of South Dakota: Planning and Zoning — Grant County, South Dakota Government (accessed 2026-09)
  2. Grant County Compiled Zoning Ordinances — Grant County, South Dakota Government (accessed 2026-09)
  3. Grant County of South Dakota: Director of Equalization — Grant County, South Dakota Government (accessed 2026-09)
  4. Register of Deeds - Grant County, SD — Grant County, South Dakota Government (accessed 2026-09)
  5. South Dakota Wind Energy Projects — South Dakota Public Utilities Commission (accessed 2026-09)
  6. Supreme Court upholds PUC decision to grant wind farm permit in northeastern South Dakota — Wind Watch (aggregating South Dakota court reporting) (accessed 2026-09)
  7. In the Matter of the Application of Dakota Range III, LLC (EL18-046) — South Dakota Public Utilities Commission (accessed 2026-09)
  8. Big Stone Lake — Wikipedia (accessed 2026-09)
  9. Grant County, South Dakota — Wikipedia (cross-checked against U.S. Census Bureau figures) (accessed 2026-09)
  10. Grant County, SD | Data USA — Data USA (Census Bureau data) (accessed 2026-09)

Last reviewed 2026-09