In the last 90 days, 1 listings have been posted online, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 850 sqft. Most properties in this region are around 3 floors. Most buildings in this market were built in 1945 and are Class A.