Most listings are in the $30's per square foot per year. The Placer submarket is going through a a boost in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 8% increase 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 available space in the Placer are subleases, so you will probably have to focus your search on direct office leases. 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 2,410 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 2000 and are Class B.