On average, listings lease in the $20's per square foot per year. The Collier County region is going through a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 35 listings have been listed, which means spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 6% of the available space in the Collier County are subleases, so you will probably have to consider a longer term lease. 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 1,550 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1997 and are Class A.