The typical asking rate per listing is in the $10's per square foot per year. The Hawaii County region is going through a a rise in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 25% rise in rent.
In the last 90 days, 12 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 710 sqft. Most buildings in this area are close to 2 stories. Most buildings in this market were built in 1986 and are Class A.