Most listings are in the $20's per square foot per year. The Berwyn Heights region is experiencing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% increase in rent.
Compared to the rest of the Washington D.C. market, the Berwyn Heights submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 1 listings have been made available, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 1,000 sqft. Most buildings in this region are approximately 3 floors. Most buildings in this area were built in 1991 and are Class B.