In the last 90 days, 0 listings have come on the market, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. About NaN% of the office spaces in the Downey 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 sqft. Most buildings in this area are close to 2 floors. Most buildings in this market were built in 1968 and are Class B.