The typical asking rate per listing is in the $40's per square foot per year. The Newark submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $13 per sqft per year. That's a 24% decrease in rent.
Compared to the rest of the East Bay market, the Newark region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 24 listings have come on the market, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 29% of the listings in the Newark 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 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 2,350 sqft. Most properties in this market are around 1 stories. Most buildings in this market were built in 1996 and are Class A.