The typical asking rate per listing is in the $30's per square foot per year. The Lake Forest submarket is seeing a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 11% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Lake Forest submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 29 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 3% of the office spaces in the Lake Forest are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 6,010 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are approximately 2 floors. Most buildings in this market were built in 1999 and are Class B.