Most listings are in the $30's per square foot per year. The San Bernardino region is going through a an increase in rates. In the last 3 months, the median rate increased $9 per sqft per year. That's a 41% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the San Bernardino region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 34 listings have been posted online, which means leases might be going fast. 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.
Even though the median size is 4,410 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 1984 and are Class B.