Most listings are in the $20's per square foot per year. The Montgomery County region is going through a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 8% decrease in rent.
In the last 90 days, 159 listings have been listed, so you'll want to check back regularly for new listings. About 4% of the available space in the Montgomery County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,530 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are close to 3 floors. Most buildings in this market were built in 1982 and are Class A.