On average, listings lease in the $30's per square foot per year. The Dublin submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% increase in rent.
Compared to the rest of the East Bay market, the Dublin submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 4 listings have been listed, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 25% of the available leases in the Dublin are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,040 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1986 and are Class B.