Rowan County, NC Building Setbacks & Zoning: Lot Coverage Limits (2026)

Rowan County created the 85-ED-1 through 85-ED-4 districts under Section 21-34 to guide economic development along the I-85 corridor, and Section 21-34(6) attaches a set of site standards to any planned unit development approved there. Alongside a 40-foot buffer from the project perimeter and a minimum 100-foot street frontage, subsection (6)d sets the ceiling: maximum lot coverage of eighty percent of lot area. That figure covers the combined footprint of buildings, pavement, and other impervious site coverage within the PUD. Every 85-ED development is reviewed and approved as a special use permit under Article III, so the 80 percent cap is checked at site plan review by Planning and Development staff and, ultimately, the Board of Commissioners before a permit issues.

Outside the 85-ED districts, Section 21-84's table of dimensional requirements sets minimum lot size, lot width, lot depth, and building setbacks for the RA, RR, RS, MHP, MFR, AI, CBI, NB, INST and IND districts, but that table does not include a lot-coverage percentage row, so a residential or commercial parcel elsewhere in the county is not subject to an equivalent stated cap; its buildable footprint is instead constrained by the setback and minimum lot-size figures in that table. Developers proposing an 85-ED PUD close to the coverage limit should account for the 40-foot perimeter buffer and required screening under Article IX, since those areas count against, not toward, the buildable 80 percent.