Why Permit History Is One of the Most Important Things to Verify
In Hawaii, unpermitted construction is more common than most buyers realize — not because homeowners are reckless, but because the permitting process through the City and County of Honolulu's Department of Planning and Permitting (DPP) is notoriously slow and expensive. Some owners make the pragmatic but legally problematic decision to build or remodel without permits. As a buyer, the critical question is: what did the previous owner do, and did they do it with proper authorization?
When you purchase a property, you assume responsibility for its existing condition — including any code compliance issues. If the county later identifies unpermitted structures or work, the obligation to remediate falls on the current owner. That owner will be you.
How to Research a Property's Permit History on Oahu
The City and County of Honolulu maintains a searchable permit database through the DPP. Your Realtor can help you look up what permits have been pulled for the property, whether those permits were finaled (inspected and signed off by the county), and whether any open or expired permits remain on record.
- 1Permitted and finaled — The work was properly authorized and inspected to completion. This is the clean outcome.
- 2Permitted but not finaled — A permit was obtained but the final county inspection was never requested or completed. This creates a compliance gap that can affect financing, insurance, and future resale.
- 3No permit on record — If a modification or addition is visible on the property but absent from permit records, ask the seller directly and consider consulting a licensed contractor about the cost of retroactive compliance. This can range from straightforward to prohibitively complex depending on the scope of the work.
Unpermitted work isn't automatically a dealbreaker — but it needs to be quantified, priced into your offer, addressed by the seller, or consciously accepted with full understanding of the implications. It should never be ignored.