The typical asking rate per listing is in the $30's per square foot per year. The Artesia submarket is going through a an increase in rates. In the last 3 months, the median rate rose $34 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Artesia region has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 1 listings have been listed, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,160 sqft. Most buildings in this region are close to 2 stories. Most buildings in this area were built in 1986 and are Class B.