On average, listings lease in the $20's per square foot per year. The Suffolk County region is seeing a a boost in rates. In the last 3 months, the median rate increased $22 per sqft per year.
In the last 90 days, 11 listings have been listed, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 109% of the available space in the Suffolk County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,890 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 2006 and are Class A.