The typical asking rate per listing is in the $30's per square foot per year. The Thousand Oaks region is seeing a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 9% decline in rent.
Compared to the rest of the Metropolitan Los Angeles market, the Thousand Oaks submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 45 listings have been made available, so you'll want to check back regularly for new listings. About 4% of the available leases in the Thousand Oaks are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,380 sqft. Most properties in this market are close to 2 floors. Most buildings in this area were built in 1986 and are Class B.