Harnett County, NC Building Setbacks & Zoning: Setback Rules (2026)

Section 153.093(B) of the Harnett County Code of Ordinances fixes the same residential dimensional table for all four rural/agricultural residential zoning districts: RA-40, RA-30, RA-20M and RA-20R. The minimum front yard setback is 35 feet, the minimum rear yard setback is 25 feet, and the minimum side yard setback is 10 feet, measured from the applicable property line. Corner lots carry a heavier burden: the minimum side yard setback on a corner lot is 20 feet, and it rises to 35 feet where the side yard abuts a major thoroughfare, matching the front-yard standard because traffic exposure on that side is treated the same as a front lot line.

Section 153.093(A)(5) through (8) defines how each yard is measured. The front yard setback runs from the public right-of-way line to the structure, excluding steps; where no right-of-way exists, it is measured from the access easement line, or from the property line if neither exists. The rear yard setback is measured from the rear property line, and the side yard setback from the side property lines. On a corner lot, the side yard setback fronting the side street is measured from the public right-of-way (or easement) along that side, and accessory buildings there cannot sit closer to that side-street lot line than the standard front-yard distance requires.

Section 153.093(A)(3) bars shrinking any existing lot or yard below these minimums, and any lot created after the ordinance's effective date must meet them from the outset. Section 153.093(A)(9) lets the Administrator fix front, rear, and side setback lines on irregularly shaped, non-rectangular lots where the standard measurement method does not apply cleanly, using the diagrams referenced in the code for guidance.