On average, listings lease in the $20's per square foot per year. The Rocklin submarket is seeing a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 9% decrease in rent.
Compared to the rest of the Greater Sacramento market, the Rocklin region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 20 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 5% of the available space in the Rocklin are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 market are around 1 stories. Most buildings in this market were built in 2004 and are Class B.