Most listings are in the $20's per square foot per year. The College Station submarket is going through a a rise in rates. In the last 3 months, the median rate rose $22 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 22 listings have come on the market, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. 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 2,340 sqft. Most buildings in this market are approximately 6 floors. Most buildings in this area were built in 2008 and are Class A.