Most listings are in the $10's per square foot per year. The Lake Ronkonkoma submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $18 per sqft per year.
In the last 90 days, 0 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the listings in the Lake Ronkonkoma 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,350 sqft. Most properties in this region are approximately 2 stories.