Most listings are in the $30's per square foot per year. The Miami-Dade County region is seeing a decrease in rates. In the last 3 months, the median rate fell $11 per sqft per year. That's a 24% decline in rent.
In the last 90 days, 382 listings have been made available, so you'll want to check back regularly for new listings. About 4% of the office spaces in the Miami-Dade County are subleases, so you will probably have to consider a longer term lease. 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 2,100 sqft. Most properties in this market are approximately 3 stories. Most buildings in this market were built in 1982 and are Class A.