Most listings are in the $10's per square foot per year. The Port St. Lucie submarket is going through a decrease in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 10% decrease in rent.
In the last 90 days, 126 listings have come on the market, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,550 sqft. Most properties in this region are approximately 2 floors. Most buildings in this market were built in 2004 and are Class A.