Bolthole Index

Walworth County, South Dakota

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

Selby is a city in Walworth County, South Dakota. 5 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Walworth County page.

Answers from the rulebook for Selby

Selby’s own rules

  • InspectionsLimited

    Water and sewer connections for projects inside Selby city limits.

    • Inspection is required before the water or sewer connection is covered.
    “Before Water and Sewer connections can be approved an inspection is required by the City prior to covering.”
  • Mandatory utility hookupConditional

    Projects inside Selby city limits requiring City water or sewer service.

    • The applicant must contact the Water/Waste Water Superintendent for Water/Sewer Permit information.
    • A City inspection is required before a water or sewer connection is approved and covered.
    • A $100 payment is required to turn water and/or sewer service on or off, and the City Superintendent alone may turn it on.

    water and/or sewer service turn-on or turn-off payment: 100 USD (Service can only be turned on by the City Superintendent.)

    “It is required to pay $100 to have a water and/or sewer conne9tion turned on or off and it can only be turned on by the City Superintendent.”
  • Permit feesPublished (with conditions)

    City building-permit applications for structures inside Selby city limits.

    • The listed base fee applies to structures costing $1.00 to $1,000.00.
    • An additional $1.00 applies per $1,000.00 of structure cost.

    base building permit fee: 10 USD (Structures costing $1.00 to $1,000.00.) · additional building permit fee: per 1 USD per $1,000 structure cost

    “Fees: Fee: $10.00 for structures that will cost $1.00 to $1,000.00 and $1.00 more per $1,000.00 of the structure cost.”
  • Permit processPublished (with conditions)

    City building-permit applications inside Selby city limits.

    • The application calls for project description and measurements.
    • The form identifies new building, addition, upgrade, alteration, and moving as improvement types.
    • The applicant certifies compliance with laws and ordinances governing the work.
    “Describe proposed improvement in detail, including measurements. Type of Improvement _New Building Addition _Upgrade Alteration _Moving”

Rules another office applies inside Selby

Selby does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Well permitLimited

    Private wells inside Selby city limits, under statewide South Dakota water-right rules.

    • A water-right permit is required before drilling if the proposed water use requires one.
    • The state page states that a proposed use may require a water-right permit; the applicability determination is use-specific.
    “If a water right permit is needed, state law requires the permit to be approved prior to doing any well drilling.”

Still unanswered

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

  • Building permit — Building work inside Selby city limits.
  • Owner-builder exemption — Owner-built residential construction inside Selby city limits.
  • Building code adopted — Construction inside Selby city limits.
  • Certificate of occupancy — Occupancy of buildings inside Selby city limits.
  • Zoning districts — Zoning districts inside Selby city limits.
19 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Selby publishes no rule on the point, not that none exists. Walworth County’s page lists the county offices to call.

Off-grid gear

Going off-grid in Selby means bringing your own water and power. The kit we’d start with:

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