The typical asking rate per listing is in the $30's per square foot per year. The Bryan region is going through a a rise in rates. In the last 3 months, the median rate went up $40 per sqft per year.
In the last 90 days, 11 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 18% of the listings in the Bryan 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 180 sqft. Most properties in this region are close to 1 stories. Most buildings in this area were built in 1981 and are Class B.