On average, listings lease in the $10's per square foot per year. The Long Beach submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $17 per sqft per year.
In the last 90 days, 1 listings have been listed, which means new listings are probably going fast. 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 1,200 sqft. Most buildings in this area were built in 2006 and are Class A.