The typical asking rate per listing is in the $10's per square foot per year. The Brentwood submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 15% rise in rent.
In the last 90 days, 10 listings have been listed, which means listings might be leasing quickly. You'll want to be prepared to make an offer immediately. About 60% of the available space in the Brentwood are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 4,200 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are approximately 3 floors. Most buildings in this area were built in 1963 and are Class B.