Most listings are in the $10's per square foot per year. The Bohemia region is going through a a boost in rates. In the last 3 months, the median rate rose $19 per sqft per year.
In the last 90 days, 11 listings have been listed, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 55% of the listings in the Bohemia 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,340 sqft. Most properties in this market are around 1 stories. Most buildings in this region were built in 1997 and are Class B.