Most listings are in the $20's per square foot per year. The Downtown San Bernardino submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $7 per sqft per year. That's a 50% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Downtown San Bernardino submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 5 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 11,000 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1981 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Public administration is the dominant industry in this region. Most of the folk of Downtown San Bernardino work from home. Commuting approximately 30 minutes a day is the norm for those who opt to reside in this part of town.