Most listings are in the $20's per square foot per year. The San Clemente submarket is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 8% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the San Clemente submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 17 listings have been posted online, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. 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 2,500 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 2000 and are Class A.