On average, listings lease in the $30's per square foot per year. The Kauai County region is seeing a an increase in rates. In the last 3 months, the median rate went up $32 per sqft per year.
In the last 90 days, 6 listings have come on the market, which means new availabilities might be 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,320 sqft. Most buildings in this market were built in 1987 and are Class A.