The typical asking rate per listing is in the $20's per square foot per year. The Hillsborough County region is experiencing a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 7% decline in rent.
In the last 90 days, 54 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the available space in the Hillsborough County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,400 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1950 and are Class Class B.