On average, listings lease in the $30's per square foot per year. The Rancho Santa Margarita submarket is going through a an increase in rates. In the last 3 months, the median rate increased $17 per sqft per year. That's a 76% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Rancho Santa Margarita submarket has greater rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 9 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,400 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this area were built in 2002 and are Class A.