Garage conversion rules in Greenville County, SC — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Greenville County has no separate garage-conversion permit, but converting a garage into living space is a change of use that must meet the zoning district's building setbacks and dwelling standards, plus a South Carolina building permit for the work.
The Greenville County Zoning Ordinance treats a garage or accessory building converted to habitable space as a change in use that must meet the principal-dwelling standards of its zoning district, including building setback lines. Setbacks are measured from the foundation wall; overhangs and architectural features may encroach up to two feet, but roofed cantilevers may not encroach the setback line. A converted structure must satisfy the district's setback, height, and lot-coverage rules and obtain the required Greenville County building permit under the adopted South Carolina building codes. If the conversion creates a separate dwelling unit, the accessory-dwelling rules (AG district only) apply. Cities regulate conversions inside their limits.
Converting a garage to living space without a building permit, or violating district setbacks, is enforced by Greenville County Building Safety and Code Compliance through stop-work orders and correction notices.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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