Honolulu Home Addition Permits 2026
Honolulu home addition permit fees, plan review, and required inspections for 2026.
Honolulu Home Addition permit basics
- Building department: City and County of Honolulu Department of Planning and Permitting (DPP)
- Department URL: https://www.honolulu.gov/dpp
- Permit fee typical: $400 - $3,500 permit fee
- Plan review + approval: code review has averaged about nine days for residential plans, with commercial far longer
- Inspections required: 6-12 inspections (footing, framing, electrical, plumbing, mechanical, insulation, drywall, final)
Honolulu Home Addition common issues
Setback compliance, FAR (floor-area ratio), structural review required, sewer/water capacity may need upgrade.
Honolulu-specific permitting context
In Honolulu a building permit is required for electrical or plumbing work over $2,500 and general repairs over $10,000, and shoreline, flood-zone, or advisory-flagged properties are excluded from the instant online permit path. The Department of Planning and Permitting operates the permit center at 650 South King Street.
Climate factors: A tropical climate with steady trade winds, salt-laden coastal air that accelerates corrosion, and heavy leeward-versus-windward rainfall differences that shape roofing and waterproofing work.
Hawaii licensing for Home Addition contractors
Hawaii Department of Commerce and Consumer Affairs - required: $450 (initial) + exam. Board: https://cca.hawaii.gov/pvl/boards/contractor.
Mechanics lien deadline in Hawaii: 45 days from completion. Preliminary notice: Not required, but lien application requires court hearing.
Honolulu Home Addition sales tax
Hawaii sales tax: 4% GET (Honolulu adds 0.5%). Hawaii GET applies to virtually all business activity including contractor labor. Prime: 4% on gross; sub: 0.5% on gross.
Verify with the Hawaii Department of Taxation.
Track Honolulu permits with KaamCam
KaamCam jobs have built-in permit tracking - permit number, date issued, inspection schedule, and inspector contact. Auto-reminders before each inspection date. $12 per seat per month. Start a free 7-day trial.