The typical asking rate per listing is in the $20's per square foot per year. The Indian River County submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $29 per sqft per year.
In the last 90 days, 35 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 63% of the listings in the Indian River County are subleases, so you might be able to snag a great spot on a short term. 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 1,220 sqft. Most buildings in this region are around 2 floors. Most buildings in this area were built in 1990 and are Class B.