ADUs are allowed in MauldinTypes:DetachedInternal
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.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Interior / Attached ADU Size Limits
- –Maximum size is 500 sq ft or 25% of the principal dwelling’s gross floor area, whichever is greater.
Detached ADU Size Limits
- –Maximum detached ADU size is 50% of the principal residence’s gross floor area.
Max Units
- –Detached single-family (owner-occupied): 1 ADU per lot.
- –Duplex/multifamily: Not permitted.
- –Commercial/nonresidential: 1 ADU per principal use on the property.
Owner Occupancy
- –Owner must occupy the property (principal or ADU)
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 cannot be leased for fewer than 30 days; short-term rentals prohibited.
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