Compared to the rest of the Metropolitan Los Angeles market, the Agoura Hills submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 23 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 9% of the available leases in the Agoura Hills are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 1,740 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1987 and are Class B.