Compared to the rest of the Metropolitan Los Angeles market, the Diamond Bar submarket has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 23 listings have been posted online, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,580 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are close to 2 stories. Most buildings in this area were built in 1987 and are Class B.