On average, listings lease in the $20's per square foot per year. The Smithtown region is experiencing a a boost in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 16% rise in rent.
In the last 90 days, 4 listings have been listed, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 75% of the office spaces in the Smithtown are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,770 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1987 and are Class B.