The typical asking rate per listing is in the $10's per square foot per year. The Palm City region is going through a an increase in rates. In the last 3 months, the median rate increased $16 per sqft per year.
In the last 90 days, 1 listings have been posted online, which means office spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 400% of the available leases in the Palm City 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,210 sqft. Most buildings in this area are close to 3 stories. Most buildings in this area were built in 2004 and are Class B.