Most listings are in the $10's per square foot per year. The Stockton region is going through a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 19% decrease in rent.
In the last 90 days, 92 listings have come on the market, so you'll want to check back regularly for new listings. About 1% of the office spaces in the Stockton are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,650 sqft. Most properties in this region are approximately 1 stories. Most buildings in this market were built in 1980 and are Class B.