Most listings are in the $20's per square foot per year. The Orange region is seeing a a boost in rates. In the last 3 months, the median rate increased $29 per sqft per year.
Compared to the rest of the Metropolitan Los Angeles market, the Orange submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 64 listings have been made available, so you'll want to check back regularly for new listings. About 72% of the available leases in the Orange are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 3,280 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this market were built in 1980 and are Class B.