Compared to the rest of the Metropolitan Los Angeles market, the Fullerton region has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 19 listings have been listed, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 11% of the available leases in the Fullerton 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 available, so finding a space for a small business might be tough.
Even though the median size is 3,010 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are close to 2 stories. Most buildings in this region were built in 1979 and are Class B.