Most listings are in the $20's per square foot per year. The Montgomery County submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 5% rise in rent.
In the last 90 days, 131 listings have been made available, so you'll want to check back regularly for new listings. About 6% 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 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 1,860 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 2000 and are Class B.