The typical asking rate per listing is in the $10's per square foot per year. The Pelham submarket is going through a a rise in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 17 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 880 sqft. Most properties in this market are around 2 floors. Most buildings in this region were built in 1999 and are Class A.