Most listings are in the $20's per square foot per year. The Castaic region is seeing a an increase in rates. In the last 3 months, the median rate increased $24 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Castaic submarket has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 2 listings have been posted online, which means office spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 4,950 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area were built in 2008 and are Class A.