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 discounted region.
In the last 90 days, 2 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 500% of the listings in the La Verne 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 1,590 sqft. Most properties in this region are close to 2 stories. Most buildings in this region were built in 1990 and are Class B.