The typical asking rate per listing is in the $20's per square foot per year. The Union City region is seeing a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 0% rise in rent.
In the last 90 days, 2 listings have been listed, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 200% of the available leases in the Union City 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 960 sqft. Most properties in this area are around 2 floors. Most buildings in this market were built in 1934 and are Class B.