The typical asking rate per listing is in the $10's per square foot per year. The St. Lucie County region is experiencing a an increase in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 1% increase in rent.
In the last 90 days, 212 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the listings in the St. Lucie County are subleases, so you will probably have to consider a longer term lease. 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 1,540 sqft. Most buildings in this market are approximately 1 floors. Most buildings in this area were built in 1995 and are Class A.