3 county-level rules, plus city-specific rules for 1 city in Forsyth County, North Carolina.
Verified from official government sources
The Winston-Salem/Forsyth County UDO sets minimum yards by zoning district — for example RS9 requires a 20-ft front, 25-ft rear, and 7-ft one-side setback. RS7 requires 15-ft front, 20-ft rear, 5-ft side. No setback is required for twin homes; all other uses need at least five feet.
Winston-Salem/Forsyth County UDO — General Dimensional Requirements (Residential Districts), Note 4
No setback is required for twin homes; all other uses must be set back a minimum of five (5) feet.
In unincorporated Forsyth County, a detached accessory structure is limited to 17 feet maximum height under the UDO; a detached accessory dwelling unit may go up to 25 feet. Principal-building heights are set district-by-district in the UDO dimensional tables.
Winston-Salem/Forsyth County UDO-CC15 (ADU amendment) — Height provisions
Detached: Size requirements for accessory structures (17 ft. maximum) ... Proposed: Detached: 25 ft. maximum; Attached: Cannot exceed the height of the principal.
Winston-Salem/Forsyth County single-family districts cap impervious surface cover at 40% of the zoning lot. Detached accessory structures cannot exceed 5% of the lot (576 sq ft always allowed) and may occupy no more than 25% of the required yard.
Winston-Salem/Forsyth County UDO — Accessory Structure Size Limits (Sec. 5.3.1)
Not exceed five percent (5%) of the actual size of the zoning lot or the minimum permitted lot size of the zoning district, whichever is larger. An accessory structure up to five hundred seventy-six (576) square feet in area shall be permitted in all districts. ... Cannot occupy more than twenty-five percent (25%) of the area of the required yard.
1 cities in Forsyth County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
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