The typical asking rate per listing is in the $10's per square foot per year. The Casselberry region is going through a a boost in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 10 listings have been made available, which means new availabilities 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.
Even though the median size is 6,040 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are approximately 1 floors. Most buildings in this area were built in 1986 and are Class B.