On average, listings lease in the $30's per square foot per year. The Agoura Hills region is going through a a boost in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 11% increase in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Agoura Hills region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 15 listings have come on the market, which means new availabilities might be going fast. You'll want to be prepared to make an offer immediately. About 13% of the listings in the Agoura Hills 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,990 sqft. Most properties in this area are approximately 2 stories. Most buildings in this region were built in 1986 and are Class B.