Johnston County, NC

Shed permits in Johnston County

Exemption only within stated size/no-trade conditions

No permit if no accessory-structure dimension exceeds 12 ft and no electrical, plumbing, or mechanical is installed. Portable lightweight carport also exempt if <=400 sq ft and <=12 ft mean roof height. Permits required for accessory buildings with dimensions exceeding 12 ft.

What to know before starting

The information below was checked against the linked official source on 2026-09-21. Confirm final requirements with Johnston County Building Inspections, 919-989-5060, inspections@johnstonnc.gov before work begins.

Required permits and fees

  • Building permit — Required when accessory-building dimension exceeds 12 ft; otherwise no permit under stated conditions (Confirm with office)
  • Zoning/land-use permit — Application item; includes address/setbacks (Confirm with office)
  • Environmental Health permit — Application item for septic/well information (Confirm with office)

Required plans

Required permit applications include site plan and digital construction drawings with elevations, foundation/anchoring, floor, wall, roof, and energy details.

Setback rules

Zoning/land-use permit details address and setbacks; confirm exact setback.

Required inspections

  • Confirm foundation/anchoring, trade, and final inspections.

Issuing authority

Johnston County Building Inspections, 919-989-5060, inspections@johnstonnc.gov

Confirm with office

919-989-5060

Official source: Johnston County, Accessory Structures