The typical asking rate per listing is in the $20's per square foot per year. The Santa Ana submarket is experiencing a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 6% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Santa Ana submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 146 listings have been posted online, 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 2,270 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1982 and are Class B.