In the last 90 days, 25 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 4% of the available leases in the Malibu are subleases, so you will probably have to consider a longer term lease. 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 sqft. Most buildings in this market are close to 2 stories. Most buildings in this market were built in 1980 and are Class B.