The typical asking rate per listing is in the $20's per square foot per year. The Orange region is experiencing a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 10% increase in rent.
In the last 90 days, 8 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,520 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market are close to 2 stories. Most buildings in this area were built in 1984 and are Class B.