Compared to the rest of the East Bay market, the Union City region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 6 listings have been listed, which means office spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,540 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are around 1 stories. Most buildings in this market were built in 1987 and are Class A.