Most listings are in the $20's per square foot per year. The St. Lucie West region is going through a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 6% increase in rent.
In the last 90 days, 22 listings have been posted online, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 145% of the available space in the St. Lucie West 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 1,170 sqft. Most buildings in this area are close to 2 stories. Most buildings in this region were built in 2006 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Wholesale trade is the dominant industry in this region. Most of the folk of St. Lucie West work from home. Commuting between 20 and 25 minutes a day is the norm for those who opt to reside in this part of town.