On average, listings lease in the $20's per square foot per year. The Hawthorne region is seeing a a boost in rates. In the last 3 months, the median rate increased $26 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Hawthorne submarket has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 17 listings have been made available, which means new availabilities 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 1,050 sqft. Most buildings in this region are close to 2 floors. Most buildings in this region were built in 1980 and are Class B.