On average, listings lease in the $20's per square foot per year. The Port St. Lucie region is experiencing a a boost in rates. In the last 3 months, the median rate went up $21 per sqft per year.
In the last 90 days, 98 listings have been made available, so you'll want to check back regularly for new listings. About 90% of the available leases in the Port St. Lucie 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,170 sqft. Most properties in this market are around 1 stories. Most buildings in this region were built in 2004 and are Class A.