Compared to the rest of the East Bay market, the Concord region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 34 listings have been made available, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 79% of the available leases in the Concord 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,390 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1982 and are Class A.