Johnston County, NC

Deck permits in Johnston County

Deck permit guidance applies over 36 sq ft

For single-family dwellings and manufactured homes, the guide applies where decks exceed 36 sq ft. Checklist: site plan, septic permit copy unless sewer, zoning permit, application, and plans.

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

  • Land-use/zoning permit — Checklist item ($12.50 listed; confirm current fee)
  • Building permit — Guide lists permit ($75 listed; confirm current fee)
  • Electrical permit — If electrical work ($75 listed if needed; confirm current fee)

Required plans

Plans should show dimensions, footing locations/sizes, girders, joists, spans, and decking; copy of plans is a checklist item.

Setback rules

Zoning permit is required in checklist; confirm exact setbacks with zoning.

Required inspections

  • Confirm footing, framing, electrical if applicable, 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, Decks and Steps - Guide to Building Decks