Compared to the rest of the Metropolitan Los Angeles market, the Hesperia region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have been made available, which means office spaces most likley are going fast. 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.
The standard measurement for office space in this area is around 1,000 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this area were built in 1981 and are Class B.