Most listings are in the $30's per square foot per year. The Rockville Centre submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $37 per sqft per year.
In the last 90 days, 3 listings have been made available, which means spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 33% of the listings in the Rockville Centre 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 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 1,850 sqft. Most properties in this region are approximately 2 floors. Most buildings in this area were built in 1972 and are Class B.