Most listings are in the $30's per square foot per year. The Melville submarket is going through a decline in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 8% decrease in rent.
In the last 90 days, 29 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 21% of the listings in the Melville are subleases, so you might be able to snag a great spot on a short term. 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 4,470 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this market are close to 3 stories. Most buildings in this region were built in 1980 and are Class A.