Compared to the rest of the East Bay market, the Concord submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 59 listings have been made available, so you'll want to check back regularly for new listings. About 5% of the listings in the Concord are subleases, so you will probably have to focus your search on direct office leases. 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 2,600 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 1984 and are Class A.