The typical asking rate per listing is in the $10's per square foot per year. The St. Lucie County region is going through a decrease in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 1% decrease in rent.
In the last 90 days, 223 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the available space in the St. Lucie County are subleases, so you will probably have to focus your search on direct office leases. 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 1,500 sqft. Most buildings in this market are close to 1 floors. Most buildings in this market were built in 1995 and are Class A.