In the last 90 days, 2 listings have been posted online, which means office spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the listings in the Green Cove Springs 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 sqft. Most properties in this area are around 1 stories. Most buildings in this region were built in 1975 and are Class B.