The typical asking rate per listing is in the $30's per square foot per year. The Aliso Viejo region is experiencing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 3% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Aliso Viejo submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 11 listings have come on the market, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 18% of the available space in the Aliso Viejo 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,460 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this market were built in 1999 and are Class B.