Most listings are in the $30's per square foot per year. The Artesia submarket is going through a a boost 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 submarket has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 100% of the office spaces in the Artesia are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,250 sqft. Most buildings in this market are close to 2 floors. Most buildings in this area were built in 2002 and are Class B.