On average, listings lease in the $30's per square foot per year. The Brentwood submarket is experiencing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 4% decrease in rent.
In the last 90 days, 7 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 14% of the available leases in the Brentwood are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 5,980 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are around 3 floors. Most buildings in this region were built in 1992 and are Class A.