3 rules for unincorporated Buncombe County, North Carolina.
Verified from official government sources
In the unincorporated county's R-1 Residential district, Buncombe County requires a 20-foot front yard, 10-foot side yard, and 20-foot rear yard where there is no public sewer. Accessory structures use reduced seven-to-ten-foot side and rear setbacks under Section 78-663.
Buncombe County Code Sec. 78-642, Table 2
R-1 Residential — Minimum Yard Setback Requirements in Feet (no public sewer): Front Yard 20; Side Yard 10; Rear Yard 20. (public sewer): Side Yard 7. Maximum Height 35 feet.
Buncombe County caps building height at 35 feet in its residential zoning districts. In the mountainous Steep Slope/High Elevation Overlay District, the maximum building height is also 35 feet. Taller limits apply to some commercial and employment districts.
Buncombe County Code Sec. 78-644(f)(3)
Height standards. The maximum building height in the Steep Slope/High Elevation Overlay District shall be 35 feet.
Buncombe County's base zoning districts do not fix a single lot-coverage percentage, but the Steep Slope/High Elevation Overlay District strictly caps disturbed and impervious surface. On steep-slope lots under two acres, impervious surface is limited to 0.16 acres and site disturbance to 0.3 acres.
Buncombe County Code Sec. 78-644(f)(4)
The maximum gross site area impervious surface allowed in the Steep Slope/High Elevation Overlay District for any single lot shall be: For lots less than 2.0 acres shall be 0.16 acres. For lots 2.0 acres and larger shall be eight percent.
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