On average, listings lease in the $20's per square foot per year. The Bellflower region is seeing a an increase in rates. In the last 3 months, the median rate increased $27 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Bellflower region has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 4 listings have been made available, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 250% of the available space in the Bellflower 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.
The standard measurement for office space in this area is around 1,790 sqft. Most properties in this region are approximately 2 stories. Most buildings in this region were built in 1954 and are Class C.