Vacation rental applications flood Planning Department

A cyclist rides past a vacation rental on Alii Drive. Each Hawaii county has different rules for vacation rental and bed-and-breakfast properties. (WEST HAWAII TODAY/file photo)

HILO — A month after a key deadline for short-term vacation rentals, the Hawaii County Planning Department is plowing through almost 4,000 applications, including 1,150 seeking exemptions for nonconforming zoning.