Most listings are in the $20's per square foot per year. The Brookside submarket is going through a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 10% increase in rent.
In the last 90 days, 13 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 31% of the available leases in the Brookside are subleases, so you might be able to find a shorter term or below market rent. 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 new listings below 2,000 sqft. Most properties in this market are close to 3 floors. Most buildings in this area were built in 1998 and are Class A.