On average, listings lease in the $20's per square foot per year. The Brandon submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $20 per sqft per year.
In the last 90 days, 16 listings have been posted online, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 250% of the available leases in the Brandon are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,600 sqft. Most buildings in this market are around 1 stories. Most buildings in this region were built in 1995 and are Class B.