On average, listings lease in the $30's per square foot per year. The Montgomery County region is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 2% rise in rent.
In the last 90 days, 274 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces 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 4,234 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are approximately 3 stories. Most buildings in this market were built in 1986 and are Class A.