On average, listings lease in the $0's per square foot per year. The Brentwood region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $21 per sqft per year. That's a 100% decrease in rent.
In the last 90 days, 10 listings have been listed, which means spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 10% of the listings in the Brentwood 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 1,990 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this area were built in 2003 and are Class A.