In the last 90 days, 8 listings have been listed, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 63% of the available space in the Syosset 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 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 2,120 sqft. Most properties in this region are approximately 2 floors. Most buildings in this area were built in 1976 and are Class C.