On average, listings lease in the $20's per square foot per year. The Miami Gardens submarket is going through a a rise in rates. In the last 3 months, the median rate increased $28 per sqft per year.
Compared to the rest of the Gold Coast market, the Miami Gardens region has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 19 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 74% of the office spaces in the Miami Gardens are subleases, so you might be able to snag a great spot on a short term. 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 1,710 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1978 and are Class B.