Picture the walk-through. The Kohanaiki condo or the Kaloko house you're buying has five-star reviews, a booking calendar stretching into next summer, and a listing sheet that says "fully permitted, turnkey income property." You close escrow, transfer the keys, and assume the rental business transfers with them.
It doesn't. Not automatically, and not for long even if it looks like it does.
Hawai'i County's new vacation rental registration system, live since September 1, 2026, includes a provision that rarely makes it into a listing description: registration renews annually, but it lapses 90 days after any change in ownership. The rental you're buying is registered to the person selling it. Once the deed changes hands, a clock starts, and it's yours to beat.
The Clock Nobody Puts in the Purchase Contract
Ordinance 25-50, also known as Bill 47, requires every transient vacation rental on the island, hosted or unhosted, defined as any stay of 180 days or fewer, to carry an active county registration number. The rule took effect September 1, 2026, and owners now register through an online portal run by the county's compliance vendor, Deckard Technologies, at hawaiicountytar.com. A hosted rental, one where the owner or a designated host lives on site during guest stays, costs $250 to register with a $100 annual renewal. An unhosted rental costs $500 with a $250 annual renewal. Booking platforms themselves pay $1,000 to operate legally in the county, and the ordinance authorizes fines up to $10,000 for a property operating without a valid registration.
None of that transfers with a sale. The registration is tied to the operator on record, and it expires 90 days after the county's records show a new owner. That means the "active registration number" a listing agent points to during your walk-through has an invisible expiration date built into the transaction itself.
The county did just build in some breathing room, but only for the initial rollout, not for post-sale re-registration. On September 2, 2026, the County Council passed Bill 175 by a 9-0 vote, extending the window to register without penalty through December 31, 2026. Councilwoman Heather Kimball, who introduced the measure, said the goal was giving every operator currently running a transient vacation rental time to get into the system before enforcement tightens. That grace period addresses owners catching up on a brand-new law. It says nothing about what happens when a compliant, currently-registered property changes hands, which is exactly the scenario a North Kona buyer needs to plan around separately.
Why This Clock Matters More in North Kona Than Almost Anywhere Else
This isn't a rule that lands evenly across the island. Back in 2022, a county planner told the Leeward Planning Commission that North Kona and South Kohala were the district's "heavy hitters" for registered short-term rentals, and nothing about the geography of Kohanaiki, Kaloko-Honokōhau, Honokōhau Harbor, or the Kalaoa side of Queen Kaʻahumanu Highway has changed since. This stretch of coastline, oceanfront lots inside private club communities, condos near the harbor, homes tucked behind resort gates, carries a disproportionate share of the island's vacation rental inventory relative to its size.
The scale islandwide is real money. The county's own economic impact study, completed by Hunden Partners and reported in 2025, counted 8,008 active vacation rental listings across Hawai'i Island generating an estimated $710 million in lodging revenue in 2024. The same study found that 54 percent of owners said they relied on that rental income, and only 4 percent said they'd convert the property to a long-term rental if short-term operation stopped being viable. Put plainly, most owners in this market aren't renting short-term as a side hustle. It's the plan. Which is exactly why a 90-day registration gap after closing isn't a paperwork inconvenience. It's a direct hit to the income projection you built your offer around.
The Ocean Side, Mountain Side Rule, and Why It's About to Move
Ask around North Kona long enough and you'll hear a version of the same shorthand: along the resort corridor from Kohanaiki toward the Kohala coast, oceanside of Queen Kaʻahumanu Highway tends to sit in zoning that permits vacation rentals, while the mountain side tends not to. It's a useful mental map, and it's also incomplete, because county zoning maps decide the actual answer parcel by parcel, and homeowner association rules can override a "yes" from the county with a "no" from the CC&Rs.
More importantly, the map itself is not settled. Bill 147, the county's attempt to rewrite and consolidate the rules governing both hosted and unhosted rentals, has already cleared unanimous favorable recommendations from both the Leeward and Windward Planning Commissions. It would remove the use permit requirement for qualifying bed and breakfasts, expand the zoning districts where rentals are permitted, and add a graduated fine schedule of $5,500, $7,500, and $10,000 for repeat violations. But as of this week, it isn't law. The County Council's policy committee deferred action on it twice in September, first on September 1 and again on September 15 when the meeting ran out of time, largely over disagreement about whether to call the two rental categories "bed and breakfast" and "short-term vacation rental" or simply "hosted" and "unhosted." Hilo Councilwoman Jennifer Kagiwada backed the simpler terms; the committee's next hearing on the bill is scheduled for October 6, 2026.
For a buyer, the practical takeaway isn't which term wins. It's that the zoning eligibility map you're relying on today could look different in a matter of weeks, in either direction. A parcel that's borderline now could gain a clearer path to legal operation, or the standards attached to that path could change from what the current seller has been operating under for years.
A Nonconforming Use Certificate Is a Status, Not a Deed Right
If the property you're buying operates outside a zone that currently permits rentals, the seller is likely relying on a Nonconforming Use Certificate, a grandfathering mechanism created under Bill 108, the county's original 2018 vacation rental ordinance. An NUC lets a rental that was already operating before the 2018 law took effect keep running in a zone that would otherwise prohibit it. Because that certificate is tied to a specific, pre-existing use rather than to the land itself, it isn't something a buyer inherits by default. It has to be verified, and its renewal history checked, before you can assume the income stream you're buying continues uninterrupted.
Here's what actually changes hands at closing, and what doesn't:
| What Changes at Closing | What the Record Shows |
|---|---|
| County TVR registration | Lapses 90 days after any change in ownership under Ordinance 25-50 |
| GET and TAT tax accounts | Tied to the taxpayer, not the property; a buyer must open new accounts |
| Nonconforming Use Certificate | Grandfathers a pre-2018 use, not a right that automatically follows a new owner |
| Zoning eligibility | Under active revision in Bill 147, deferred twice in September 2026, next hearing October 6 |
Five Questions to Put in Writing Before You Remove Contingencies
- Ask for the seller's current TVR registration number and confirm it's active on the county's portal, not just listed in the MLS remarks.
- Request copies of the property's General Excise Tax and Transient Accommodations Tax certificates, since your registration application will require your own.
- If the property relies on a Nonconforming Use Certificate, ask for the certificate itself and its full renewal history, not a verbal assurance that "it's grandfathered."
- Confirm the parcel's zoning district directly with the Hawai'i County Planning Department using the Tax Map Key, rather than relying on a rule of thumb about which side of the highway you're on.
- Build a 90-day post-closing task into your calendar the day you sign, since the county's clock starts at the ownership change, not when you get around to it.
None of this means a North Kona vacation rental is a bad investment. The corridor from Kohanaiki through Kaloko to Honokōhau Harbor has carried real rental demand for years, and the county's own numbers show an income stream that most owners depend on rather than treat as extra. It means the property you're buying comes with an administrative process attached, not a finished one, and the buyers who plan for that 90-day window close without a gap in income and the ones who don't find out about it in month four.
This is the kind of detail that's easy to miss reading a listing sheet and hard to miss once you've walked through the permitting and construction side of these properties yourself. If you're weighing a North Kona rental purchase, Hawai'i Estates can walk the zoning, the registration timeline, and the numbers with you before you write the offer, not after you're already counting down the 90 days.
FAQ
Does the seller's TVR registration transfer to me at closing? No. Registration under Ordinance 25-50 is tied to the current owner and lapses 90 days after the county's records reflect a change in ownership. The new owner has to register independently.
What happens if I miss the 90-day window? The property's registration lapses, which means it's no longer legally operating as a transient vacation rental until you complete your own registration, and Ordinance 25-50 authorizes fines up to $10,000 for operating without one.
Will Bill 147 change what's allowed at my specific address? Possibly. The bill would expand the zoning districts eligible for vacation rentals and adjust permit requirements, but it's still moving through committee as of late September 2026 with a hearing scheduled for October 6. Confirm current zoning with the Planning Department using your parcel's Tax Map Key rather than assuming today's rules will hold through closing.
