On average, listings lease in the $20's per square foot per year. The Holtsville submarket is going through a an increase in rates. In the last 3 months, the median rate increased $26 per sqft per year.
In the last 90 days, 1 listings have been posted online, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 600% of the listings in the Holtsville are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 10,220 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 2000 and are Class A.