On average, listings lease in the $30's per square foot per year. The San Bernardino submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $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 submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 34 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,410 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this market are around 2 floors. Most buildings in this market were built in 1984 and are Class B.