Compared to the rest of the Metropolitan Los Angeles market, the Montclair submarket has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 0 listings have been listed, which means listings might be leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the office spaces in the Montclair are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,030 sqft. Most buildings in this region were built in 1980 and are Class B.