The typical asking rate per listing is in the $20's per square foot per year. The Barclay submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $24 per sqft per year. That's a Inf% increase in rent.
In the last 90 days, 4 listings have come on the market, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 1,960 sqft.