On average, listings lease in the $30's per square foot per year. The Dublin submarket is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the East Bay market, the Dublin submarket has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 8 listings have been posted online, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 13% of the available space 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,880 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 1986 and are Class B.