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 smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 35 listings have been posted online, which means spaces most likley are 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 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 office spaces below 2,000 sqft. Most buildings in this region are approximately 2 floors. Most buildings in this region were built in 1984 and are Class B.