On average, listings lease in the $0's per square foot per year. The Martinez submarket is seeing a decline in rates. In the last 3 months, the median rate fell $20 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 30 listings have come on the market, which means listings 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most buildings in this area are around 2 stories. Most buildings in this market were built in 1996 and are Class B.