Compared to the rest of the Metropolitan Los Angeles market, the La Verne submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 2 listings have been made available, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 450% of the listings in the La Verne 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,590 sqft. Most properties in this area are approximately 2 floors. Most buildings in this area were built in 1990 and are Class B.