On average, listings lease in the $10's per square foot per year. The Summerville submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 17% increase in rent.
In the last 90 days, 11 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 18% of the office spaces in the Summerville 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 2,180 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this region were built in 1996 and are Class A.