The typical asking rate per listing is in the $10's per square foot per year. The Anaheim submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 9% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Anaheim region has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 40 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 90% of the office spaces in the Anaheim 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,480 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 1982 and are Class B.