Most listings are in the $20's per square foot per year. The California submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $10 per sqft per year. That's a 30% decrease in rent.
In the last 90 days, 4 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 25% of the office spaces in the California 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 posted, so finding a space for a small business might be tough.
Even though the median size is 6,240 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market were built in 2002 and are Class A.