On average, listings lease in the $20's per square foot per year. The San Clemente region is experiencing a decline in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 24% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the San Clemente region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 15 listings have been listed, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 27% of the office spaces in the San Clemente are subleases, so you might be able to find a shorter term or below market rent. 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 1,830 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 2000 and are Class A.