On average, listings lease 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 4% increase in rent.
In the last 90 days, 11 listings have been posted online, which means spaces might be 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.
The standard measurement for office space in this area is around 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this market were built in 1999 and are Class B.