Most listings are in the $20's per square foot per year. The Placer submarket is going through a a rise in rates. In the last 3 months, the median rate rose $29 per sqft per year.
In the last 90 days, 92 listings have been listed, so you'll want to check back regularly for new listings. About 142% of the available space in the Placer are subleases, so you might be able to snag a great spot on a short term. 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 2,220 sqft. Most properties in this market are around 2 stories. Most buildings in this region were built in 2000 and are Class B.