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ADUs are allowed in Unincorporated Pennington
Types:Detached

Accessory Dwelling Unit (ADU) Rules for Unincorporated Pennington, SD

Is your property eligible for an ADU?

# of Parcels
20,666
Zoning districts
17
Avg Parcel Value
$307,287
Median Parcel Size
4.14 acres
Zoning Districts:
20,350 parcels · 17 districts
AG
40%(8,192)
SR
28%(5,677)
PUD
10%(2,029)
OS
10%(1,997)
Other
12%(2,455)

ADU Rules

What can you build in Unincorporated Pennington, SD?

Unincorporated Pennington, SD follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Detached ADU Size Limits

  • Maximum ADU size of 700 sq ft
  • ADU must be smaller than the primary dwelling’s total building area

Max Units

  • Single-family detached: 1 ADU per lot
  • Duplex: none specified
  • Multifamily: none specified; Attached/Internal ADU: none specified; Junior ADU: none specified

Owner Occupancy

  • ADU lot must be owner-occupied or main dwelling long-term rental.

Parking

  • 1 space per ADU; no max; no waivers or transit reductions stated; parking must be off-street on the lot served

Rental Restrictions

  • Standard rentals require a 28-day minimum; shorter stays allowed only if the ADU is licensed as a Vacation Home Rental (VHR).
  • Only one rental ADU per lot; the main dwelling cannot be used as a VHR (VHR allowed only if the property is owner-occupied or the main dwelling is long-term).

What's allowed on your lot?

These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.

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ADU rules in other South Dakota municipalities

Rules change at the town line. Check the municipality your property is actually in.

Pennington County