The typical asking rate per listing is in the $20's per square foot per year. The Rancho Palos Verdes region is seeing a a rise in rates. In the last 3 months, the median rate went up $27 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Rancho Palos Verdes region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 7 listings have been listed, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,200 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1985 and are Class C.