Most listings are in the $10's per square foot per year. The Martinez submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 11 listings have been made available, which means office spaces 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,720 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are approximately 2 stories. Most buildings in this area were built in 1999 and are Class B.