The typical asking rate per listing is in the $10's per square foot per year. The Orange County 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, 32 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 44% of the listings in the Orange County 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 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 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this region were built in 1985 and are Class A.