The typical asking rate per listing is in the $20's per square foot per year. The Cerritos submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $15 per sqft per year. That's a 40% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Cerritos region has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 7 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 830 sqft. Most properties in this market are approximately 1 floors. Most buildings in this region were built in 1988 and are Class A.