Bolthole Index

Aurora County, South Dakota

Zoning, building permits and septic rules in Plankinton, South Dakota

Plankinton is a city in Aurora County, South Dakota. 8 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Aurora County page.

Answers from the rulebook for Plankinton

Plankinton’s own rules

  • Building permitRequired

    Construction of structures or substantial improvements inside Plankinton city

    • Permit issued by the city building inspector
    • Permit is issued only if the improvement conforms to city ordinances and state law
    “no person, firm, corporation, partnership, association or any other legal entity shall construct or cause to be constructed any structure or substantial improvement to any structure (residential, industrial, commercial or otherwise) without first obtaining a permit to construct same from the building inspector”
  • InspectionsRequired

    Newly constructed buildings inside Plankinton city

    • Inspection precedes issuance of the occupancy certificate
    • Plumbing inspections are performed by the state per § 151.25
    “the building inspector shall issue an occupancy certificate upon completion of the building in conformance with the ordinances of this city and after inspection of the same.”
  • Certificate of occupancyRequired

    Newly constructed buildings inside Plankinton city

    • Issued by the building inspector after inspection and conformance with city ordinances
    “before the owner may cause a newly constructed building to be occupied, he or she must first obtain a certificate of occupancy from the building inspector.”
  • Manufactured homesLimited

    Mobile, house trailer, modular and manufactured homes brought into or moved within Plankinton city

    • Building permit approved by the building inspector before moving in
    • Homes over ten years old need prior city council approval
    • Homes under 14 feet wide need prior city council approval
    • Must hook up to city water, sewer and electrical unless council approves otherwise
    • Must meet building, fire, safety, electrical and plumbing codes in existence at time of manufacture
    • Anchored per manufacturer's specifications

    maximum age without council approval: <= 10 years (council may approve older homes) · minimum width without council approval: >= 14 feet (council may approve narrower homes)

    “no mobile home shall be brought into the city that is more than ten years in age, unless it has received prior approval from the city council.”
  • Mandatory utility hookupConditional

    Mobile, modular and manufactured homes brought into Plankinton city; a general rule for site-built homes was not found

    • Council may grant prior approval to skip the hookup
    • Definition excludes campers, RVs and travel trailers used only for camping or occasional overnight use and not connected to city services
    “every mobile home must be hooked up to city water, sewer and electrical services unless it has received prior approval for the city council.”
  • Subdividing landLimited

    Proposed subdivisions and land use areas inside Plankinton city (flood-hazard review only)

    • The section found covers flood-damage review only; a general subdivision ordinance was not found
    “proposed subdivisions and land use areas shall be reviewed to assure that: (a) all proposals for construction provide for methods to minimize flood damage;”
  • Building in a floodplainRequired

    Building permits for sites inside Plankinton city with a flood hazard

    • Chapter 153 (Flood Damage Prevention) was not opened; this reflects the flood provisions in § 151.04
    • If a flood hazard exists, new construction or substantial improvement (including prefabricated and mobile homes) must be anchored, use flood-resistant materials and use flood-minimizing methods
    “a building permit shall be issued by the city, only after the building inspector has determined that the proposed building site is reasonably safe from flooding;”
  • Permit processPublished (with conditions)

    Building permit applications inside Plankinton city

    • Application in duplicate with a scaled sketch, owner name, contractor, legal description and plans
    • Fee retained whether or not the application is granted (§ 150.64)
    • Permit expires if construction does not start within 60 days (§ 150.66)
    • Permit must be posted on the premises (§ 150.68)
    “to obtain a building permit from the building inspector, the applicant must make application to the building inspector in duplicate on blanks to be furnished by the city.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Plankinton or Aurora County directly.

  • Owner-builder exemption — Owner-builder exemption inside Plankinton city
  • Local zoning — Zoning inside Plankinton city
  • Zoning districts — Zoning districts inside Plankinton city
  • Minimum dwelling size — Minimum dwelling size inside Plankinton city
  • Minimum lot size — Minimum lot size inside Plankinton city
16 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Plankinton publishes no rule on the point, not that none exists. Aurora County’s page lists the county offices to call.

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