On average, listings lease in the $30's per square foot per year. The California region is going through a a boost in rates. In the last 3 months, the median rate rose $33 per sqft per year.
In the last 90 days, 0 listings have been made available, which means listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About Inf% of the available leases in the California are subleases, so you might be able to find a shorter term or below market rent. 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 3,550 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area were built in 1998 and are Class A.