Most listings are in the $50's per square foot per year. The Malibu region is going through a decrease in rates. In the last 3 months, the median rate fell $30 per sqft per year. That's a 36% decrease in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Malibu submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 2 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 50% of the available leases in the Malibu are subleases, so you might be able to snag a great spot on a short term. 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 600 sqft. Most buildings in this market are close to 2 floors. Most buildings in this market were built in 1980 and are Class A.