Most listings are in the $10's per square foot per year. The Kings Grant submarket is going through a an increase in rates. In the last 3 months, the median rate increased $15 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 3 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 33% of the listings in the Kings Grant are subleases, so you might be able to snag a great spot on a short term. 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 1,700 sqft. Most properties in this market are around 1 floors. Most buildings in this market were built in 1999.