On average, listings lease in the $40's per square foot per year. The Melville region is going through a an increase in rates. In the last 3 months, the median rate increased $42 per sqft per year.
In the last 90 days, 29 listings have been made available, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 110% of the office spaces in the Melville are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 4,870 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are close to 3 stories. Most buildings in this area were built in 1980 and are Class A.