The typical asking rate per listing is in the $50's per square foot per year. The South Beach submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $51 per sqft per year.
Compared to the rest of the Bay Area market, the South Beach region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 15 listings have been listed, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 80% of the available space in the South Beach are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 9,940 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are approximately 3 stories. Most buildings in this area were built in 1922 and are Class C.
A large portion of this area is residential, but there's plenty of office_space. Waste services is the dominant industry in this market. Most of the folk of South Beach work from home. Commuting more than an hour and a half a day is the norm for those who opt to reside in this part of town.