On average, listings lease in the $20's per square foot per year. The Commack submarket is going through a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 8 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 13% of the listings in the Commack 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this region are close to 3 stories. Most buildings in this area were built in 1985 and are Class B.