The typical asking rate per listing is in the $10's per square foot per year. The Orangevale submarket is going through a a boost in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 5% increase in rent.
Compared to the rest of the Greater Sacramento market, the Orangevale region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,450 sqft. Most buildings in this region are close to 2 stories. Most buildings in this region were built in 1988 and are Class C.