On average, listings lease in the $20's per square foot per year. The Carrollwood submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $18 per sqft per year. That's a 44% decline in rent.
In the last 90 days, 15 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 40% of the listings in the Carrollwood are subleases, so you might be able to find a shorter term or below market rent. 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 1,610 sqft. Most buildings in this region are around 2 floors. Most buildings in this area were built in 1985 and are Class B.