The typical asking rate per listing is in the $30's per square foot per year. The Mission Viejo submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Mission Viejo region has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 37 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. About 8% of the listings in the Mission Viejo are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,300 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this market were built in 1985 and are Class A.