The typical asking rate per listing is in the $20's per square foot per year. The Hauppauge submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 1% rise in rent.
In the last 90 days, 27 listings have been made available, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 4% of the office spaces in the Hauppauge are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 market are approximately 1 floors. Most buildings in this area were built in 1986 and are Class B.