On average, listings lease in the $30's per square foot per year. The St. Johns County submarket is going through a an increase in rates. In the last 3 months, the median rate rose $8 per sqft per year. That's a 35% rise in rent.
In the last 90 days, 9 listings have been made available, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 6,850 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1996 and are Class A.