On average, listings lease in the $30's per square foot per year. The Mission Viejo region is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 6% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Mission Viejo submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 12 listings have been posted online, which means listings might be 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,980 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1988 and are Class A.