The typical asking rate per listing is in the $20's per square foot per year. The Waipahu submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $24 per sqft per year.
In the last 90 days, 5 listings have been posted online, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,320 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 1980 and are Class B.