Most listings are in the $20's per square foot per year. The Rocklin region is going through a a boost in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 24% rise in rent.
Compared to the rest of the Greater Sacramento market, the Rocklin submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 11 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 9% of the listings in the Rocklin are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 4,780 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are approximately 1 floors. Most buildings in this region were built in 2004 and are Class B.