Compared to the rest of the East Bay market, the South Berkeley region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 4 listings have been posted online, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the listings in the South Berkeley 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 available, so finding a space for a small business might be tough.
Even though the median size is 4,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are approximately 3 floors. Most buildings in this market were built in 1971 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Health care is the dominant industry in this area. Most of the residents of South Berkeley work from home. Commuting between 20 and 25 minutes a day is the norm for those who opt to reside in this part of town.