The typical asking rate per listing is in the $10's per square foot per year. The Yuba City region is seeing a decline in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 3% decline in rent.
Compared to the rest of the Greater Sacramento market, the Yuba City region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 8 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,800 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 1990 and are Class B.