Most listings are in the $20's per square foot per year. The Miami Gardens region is experiencing a a boost in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 22% increase in rent.
Compared to the rest of the Gold Coast market, the Miami Gardens region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 19 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. 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 1,240 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this area were built in 1978 and are Class B.