On average, listings lease in the $10's per square foot per year. The Victorville region is seeing a decrease in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 22% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Victorville region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 30 listings have been made available, which means office 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 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 1,640 sqft. Most properties in this market are approximately 1 stories. Most buildings in this region were built in 1989 and are Class B.