Most listings are in the $20's per square foot per year. The San Dimas region is seeing 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 San Dimas submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 25 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 28% of the available leases in the San Dimas are subleases, so you might be able to snag a great spot on a short term. 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 39,520 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1988 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Utilities is the dominant industry in this area. Most of the residents of San Dimas work from home. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.