In the last 90 days, 0 listings have been listed, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the listings in the West Whittier-Los Nietos are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 1963 and are Class A.