Most listings are in the $50's per square foot per year. The Costa Mesa submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $20 per sqft per year. That's a 64% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Costa Mesa submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 47 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the available leases in the Costa Mesa are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,920 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this region were built in 1982 and are Class A.