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ADUs are allowed in Unincorporated Aiken
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Unincorporated Aiken, SC

Is your property eligible for an ADU?

# of Properties
54,974
Owner-occupied
30%
Zoning districts
35
Avg Home Value
$10,705
Median Lot Size
1.00 acres
Avg Income
$73,147
Residential Types:
54,974 housing units
Other
100%
Zoning Districts:
66,354 parcels · 35 districts
RUD
55%(36,450)
RC
20%(13,413)
RD
10%(6,506)
UD
7%(4,861)
Other
8%(5,124)

ADU Rules

What can you build in Unincorporated Aiken, SC?

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

Interior / Attached ADU Size Limits

  • –Maximum internal ADU size of 1,300 sq ft
  • –Maximum internal ADU size of 50% of the principal dwelling’s gross floor area

Detached ADU Size Limits

  • –Maximum size of 1,300 sq ft for a detached accessory dwelling unit
  • –Maximum size of 50% of the principal dwelling’s gross floor area for a detached accessory dwelling unit

Max Units

  • –1 ADU per single-family owner-occupied lot (attached or detached).
  • –0 ADU per lot for duplex/triplex/quadruplex/multifamily principal structures.

Owner Occupancy

  • –Owner must occupy the principal dwelling

Parking

  • –1 space/ADU; no waivers or reductions stated

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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Is your property eligible for an ADU?

ADU rules in other South Carolina municipalities

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

Aiken County

Aiken
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