On average, listings lease in the $20's per square foot per year. The Bel Air region is going through a a rise in rates. In the last 3 months, the median rate rose $30 per sqft per year.
Compared to the rest of the Greater Baltimore market, the Bel Air region has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 0 listings have been listed, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the listings in the Bel Air 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.
The standard measurement for office space in this area is around 1,130 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this region were built in 1989 and are Class B.