The typical asking rate per listing is in the $30's per square foot per year. The San Juan Capistrano submarket is going through a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 9% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the San Juan Capistrano region has higher rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 2 listings have come on the market, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 300% of the available leases in the San Juan Capistrano 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,210 sqft. Most buildings in this market are around 2 stories. Most buildings in this market were built in 1989 and are Class B.