On average, listings lease in the $30's per square foot per year. The Syosset region is experiencing a an increase in rates. In the last 3 months, the median rate increased $12 per sqft per year. That's a 43% increase in rent.
In the last 90 days, 1 listings have been made available, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,300 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1976 and are Class C.