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ADUs are allowed in Mauldin
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Mauldin, SC

Is your property eligible for an ADU?

# of Properties
12,351
Owner-occupied
74%
Zoning districts
21
Avg Home Value
$304,420
Median Lot Size
0.21 acres
Avg Income
$82,417
Residential Types:
12,351 housing units
Single Family
88%
Apts (4+ units)
1%
Condos
1%
Other
10%
Zoning Districts:
12,827 parcels · 21 districts
R-M
23%(2,942)
R-12
18%(2,316)
R-M1
10%(1,330)
R-10
10%(1,231)
Other
39%(5,008)

ADU Rules

What can you build in Mauldin, SC?

Mauldin, 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 size of 1,000 sq ft
  • –Maximum size of 50% of the gross floor area of the principal residence (excluding carports, garages, unfinished basements, patios, porches, and similar appurtenances)

Detached ADU Size Limits

  • –Maximum 1,000 sq ft or 50% of the principal residence’s gross floor area, whichever is less.

Max Units

  • –Detached SF lots: 1 ADU per lot
  • –Duplex/Multifamily: not permitted
  • –Commercial: 1 ADU per principal use on the property

Owner Occupancy

  • –Owner must reside on the lot as primary residence.

Parking

  • –2 spaces/ADU; max: Director Approved Parking (no numeric max); exceptions: no new driveways for ADU unless via rear alley; remote off-site parking not allowed (guest parking ok); driveways may satisfy min off-street parking for SF/2F.

Rental Restrictions

  • –ADUs may not be leased for less than 30 consecutive days (minimum 30-day term); if the owner resides in the ADU, the principal dwelling also may not be rented for less than 30 days.

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 Carolina municipalities

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

Greenville County