Compared to the rest of the Bay Area market, the Corte Madera submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 5 listings have been made available, which means leases are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 40% of the available leases in the Corte Madera are subleases, so you might be able to snag a great spot on a short term. 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 6,570 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this area were built in 1980 and are Class A.