Most listings are in the $20's per square foot per year. The Redlands submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 6% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Redlands submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 10 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 2004 and are Class B.