In the last 90 days, 6 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 150% of the listings in the Carnegie 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 4,000 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this area were built in 1985 and are Class B.