The typical asking rate per listing is in the $20's per square foot per year. The Osceola County submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 11% rise in rent.
In the last 90 days, 40 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the listings in the Osceola County are subleases, so you will probably have to consider a longer term 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 2,300 sqft. Most properties in this market are close to 2 floors. Most buildings in this market were built in 1989 and are Class A.