On average, listings lease in the $10's per square foot per year. The Montgomery County submarket is going through a a boost in rates. In the last 3 months, the median rate increased $18 per sqft per year.
In the last 90 days, 63 listings have been posted online, so you'll want to check back regularly for new listings. About 152% of the available leases in the Montgomery County are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,610 sqft. Most buildings in this market are around 1 stories. Most buildings in this market were built in 1981 and are Class B.