The typical asking rate per listing is in the $20's per square foot per year. The Upland region is experiencing a an increase in rates. In the last 3 months, the median rate rose $25 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Upland region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 12 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the listings in the Upland are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 18,620 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are approximately 2 stories. Most buildings in this area were built in 1987 and are Class B.