On average, listings lease in the $10's per square foot per year. The Santa Rosa County submarket is going through a an increase in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 17% rise in rent.
In the last 90 days, 24 listings have come on the market, which means listings most likley are leasing quickly. 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.
The standard measurement for office space in this area is around 1,620 sqft. Most buildings in this area are around 1 floors. Most buildings in this area were built in 1985 and are Class Class B.