The typical asking rate per listing is in the $20's per square foot per year. The Anaheim submarket is going through a decrease in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 19% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Anaheim region has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 47 listings have been listed, so you'll want to check back regularly for new listings. About 9% of the listings in the Anaheim are subleases, so you will probably have to focus your search on direct office leases. 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 1,620 sqft. Most properties in this market are close to 2 floors. Most buildings in this market were built in 1983 and are Class B.