Most listings are in the $0's per square foot per year. The San Bernardino submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $30 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 34 listings have been posted online, which means new availabilities are probably 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 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 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1984 and are Class B.