ADUs are allowed in Unincorporated LancasterTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Lancaster, SC
Is your property eligible for an ADU?
# of Properties
37,414
Owner-occupied
82%
Zoning districts
36
Avg Home Value
$56,833
Median Lot Size
0.40 acres
Avg Income
$93,177
Residential Types:
37,414 housing units
Single Family
9%
Other
91%
Zoning Districts:
48,113 parcels · 36 districts
MDR
30%(14,222)
PDD
23%(11,098)
AR
12%(5,594)
RR
12%(5,580)
Other
24%(11,619)
ADU Rules
What can you build in Unincorporated Lancaster, SC?
Unincorporated Lancaster, SC follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 50% of the principal dwelling’s heated living area
Detached ADU Size Limits
- –Maximum size of 50% of the heated living area of the principal dwelling
Max Units
- –1 accessory dwelling per lot
Parking
- –1 off-street space per ADU (in addition to the principal dwelling's parking); max 2 spaces per ADU; off-street required; ADU minimum applies even where other uses are exempt from minimums.
Rental Restrictions
- –Detached ADUs cannot be used for short-term/vacation B&B rentals; B&Bs may only operate in principal structures, with a 14-day limit in any 30-day period.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs