The typical asking rate per listing is in the $20's per square foot per year. The Orange region is seeing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 10% decline in rent.
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 submarket.
In the last 90 days, 73 listings have come on the market, so you'll want to check back regularly for new listings. 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 1,970 sqft. Most properties in this region are close to 2 floors. Most buildings in this region were built in 1981 and are Class B.