The typical asking rate per listing is in the $10's per square foot per year. The Bradenton submarket is seeing a an increase in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 20% increase in rent.
In the last 90 days, 18 listings have come on the market, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this region are around 1 stories. Most buildings in this area were built in 1925 and are Class B.