Most listings are in the $30's per square foot per year. The Victorville region is seeing a a boost in rates. In the last 3 months, the median rate went up $18 per sqft per year. That's a 115% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Victorville submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 30 listings have been posted online, which means 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,300 sqft. Most buildings in this market are approximately 1 floors. Most buildings in this market were built in 1988 and are Class B.