Most listings are in the $10's per square foot per year. The Forest Hills region is going through a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 20% increase in rent.
In the last 90 days, 7 listings have come on the market, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 14% of the available leases in the Forest Hills 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.
Even though the median size is 3,500 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1984 and are Class A.