Most listings are in the $20's per square foot per year. The Rosemont region is going through a decrease in rates. In the last 3 months, the median rate decreased $5 per sqft per year. That's a 16% decline in rent.
Compared to the rest of the Greater Sacramento market, the Rosemont submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 14 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 21% of the available leases in the Rosemont 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 6,110 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this market are around 1 stories. Most buildings in this market were built in 1985 and are Class C.