Compared to the rest of the Metropolitan Los Angeles market, the Rancho Cucamonga submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 65 listings have been posted online, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,990 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1991 and are Class B.