On average, listings lease in the $10's per square foot per year. The Carmichael region is going through a an increase in rates. In the last 3 months, the median rate increased $17 per sqft per year.
Compared to the rest of the Greater Sacramento market, the Carmichael region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 11 listings have come on the market, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 82% of the listings in the Carmichael are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,400 sqft. Most properties in this region are approximately 1 floors. Most buildings in this market were built in 1986 and are Class C.