The typical asking rate per listing is in the $50's per square foot per year. The Newport Beach submarket is going through a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 3% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Newport Beach region has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 96 listings have come on the market, so you'll want to check back regularly for new listings. About 48% of the available leases in the Newport Beach 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 posted, so finding a space for a small business might be tough.
Even though the median size is 2,950 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this market were built in 1980 and are Class B.