Most listings are in the $20's per square foot per year. The Collier County region is seeing 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 are probably going fast. You'll want to be prepared to make an offer immediately. About 6% of the available leases in the Collier County are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, 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 properties in this market are approximately 2 stories. Most buildings in this market were built in 1997 and are Class A.