In the last 90 days, 2 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 600% of the listings in the Downtown San Bernardino are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 7,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this area were built in 1968 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 market. Most of the folk of Downtown San Bernardino work from home. Commuting around 30 minutes a day is the norm for those who opt to reside in this part of town.