Shed / Outbuilding Permit Requirements in Kailua, HI

Kailua is a city of 50,576 residents in Hawaii that follows the 2018 IRC. Kailua's building department is stricter than the standard IRC on shed / outbuilding work — expect fewer exemptions and more situations that require a permit. You're looking at roughly $75 – $250 in permit fees, plan on about About 2 weeks for approval — plus you can apply online.

Population: 50,576 Code: 2018 Verified: 2026-03-28 3 local rules

When you DON'T need a permit

Accessory structures 120 sq ft or less do not require a permit.

Source: Hawaii State Building Code / 2018 IRC

When you DO need a permit

Accessory structures over 120 sq ft require a building permit.

Estimated fee: $75 – $250

Typical timeline: About 2 weeks

Source: Hawaii State Building Code / 2018 IRC

Sheds with electrical wiring require an electrical permit.

Estimated fee: $50 – $150

Typical timeline: About 1 week

Source: Hawaii State Building Code / 2018 IRC

Shed / Outbuilding Permit Costs: Kailua vs. Nearby

Kailua's fees are right in line with the Hawaii average — $50 – $250 versus $58 – $194 statewide.

CityEstimated Fee
Kailua $50 – $250
Honolulu $75 – $300
Honolulu $50 – $150

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.

Zoning & HOA Considerations

Zoning

Sheds may be subject to zoning setback requirements and lot coverage limits. Placement near property lines or in front yards may require zoning approval.

HOA Communities

If you live in an HOA community: many HOAs restrict or prohibit outbuildings. Check your CC&Rs for rules on shed size, placement, materials, and appearance before purchasing or building.

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Building Department Contact

NameHonolulu Dept of Planning & Permitting
Address650 S King St, Honolulu, HI 96813
HoursMon-Fri 7:45am-4:30pm

Frequently Asked Questions

Estimated permit fees for Shed / Outbuilding projects in Kailua, HI range from $75 – $250. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Shed / Outbuilding projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Kailua can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for Shed / Outbuilding permits in Kailua is About 2 weeks. More complex projects may take longer if plan review is required.

If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.

Learn More About Shed / Outbuilding Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Shed / Outbuilding Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-28. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.