Most listings are in the $20's per square foot per year. The Rancho Cucamonga submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $23 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Rancho Cucamonga submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 36 listings have come on the market, which means office spaces might be going fast. You'll want to be prepared to make an offer immediately. About 92% of the office spaces in the Rancho Cucamonga 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this area are close to 2 stories. Most buildings in this market were built in 1991 and are Class B.