Most listings are in the $30's per square foot per year. The Salinas region is going through a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 11% decrease in rent.
In the last 90 days, 6 listings have been listed, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 117% of the available leases in the Salinas 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 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 2,170 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1976 and are Class A.