On average, listings lease in the $20's per square foot per year. The Collier County region is experiencing a a boost in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 19% increase in rent.
In the last 90 days, 35 listings have been listed, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 20% of the office spaces in the Collier County are subleases, so you might be able to find a shorter term or below market rent. 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 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this region were built in 1996 and are Class A.