The typical asking rate per listing is in the $20's per square foot per year. The Benicia region is seeing a a rise in rates. In the last 3 months, the median rate rose $28 per sqft per year.
Compared to the rest of the Bay Area market, the Benicia region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 3 listings have been made available, which means office spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,070 sqft. Most properties in this market are close to 1 floors. Most buildings in this area were built in 1990 and are Class B.