

ADUs are allowed in SpearfishTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Spearfish, SD
Is your property eligible for an ADU?
# of Parcels
5,932
Zoning districts
21
Zoning Districts:
5,932 parcels · 21 districts
PUD
23%(1,342)
R-1
14%(846)
R-2
12%(710)
DRD
12%(703)
Other
39%(2,331)
ADU Rules
What can you build in Spearfish, SD?
Spearfish, SD follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Parking
- –2 spaces per ADU; no maximum; off-street parking must be on the same site; in residential districts, spaces must be located and designed with at least 20 feet from the back of the sidewalk; shared/off-site parking allowed only with an approved special plan or in Central Core zoning
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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