Most listings are in the $20's per square foot per year. The Shasta region is seeing a a rise in rates. In the last 3 months, the median rate rose $27 per sqft per year.
In the last 90 days, 83 listings have been posted online, so you'll want to check back regularly for new listings. About 7% of the available leases in the Shasta are subleases, so you will probably have to consider a longer term 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.
The standard measurement for office space in this area is around 1,100 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1989 and are Class B.