Jackson County, MS Building Setbacks & Zoning: Structure Height Limits (2026)

Jackson County Zoning Code R-1 and R-2 residential districts limit building height to 35 feet or 2.5 stories measured from average finished grade to the highest point of the roof ridge, with chimneys and mechanical equipment allowed 5 additional feet. Pascagoula Code §90 sets 35 ft residential, 45 ft commercial, and 65 ft downtown mixed-use overlay. Ocean Springs Historic Preservation Commission under Code §28.5 reviews any structure over 30 ft in the L.N. Dantzler Historic District on Washington Avenue with contextual height matching required. Moss Point R-1 limits 35 ft. Gautier restricts structures to 35 ft in R-1 and 50 ft in C-2 commercial. FAA Part 77 Imaginary Surfaces around Trent Lott International Airport (PQL) restrict heights within a 20,000-foot horizontal radius, with 1:50 approach slopes and 1:7 transition surfaces, requiring FAA Form 7460-1 filing for any structure over 200 feet AGL or within airport proximity zones. Keesler AFB AICUZ extends into western Jackson County adding military height restrictions. Huntington Ingalls Industries shipyard has industrial M-2 zoning allowing crane heights exceeding 400 feet for ship construction. Coastal V Zones require pile foundations adding 10-14 ft base elevation but base height still counts from DFE. Tall antennas over 20 ft require separate permit.