The typical asking rate per listing is in the $50's per square foot per year. The Corte Madera region is going through a a boost in rates. In the last 3 months, the median rate rose $14 per sqft per year. That's a 38% rise in rent.
Compared to the rest of the Bay Area market, the Corte Madera submarket has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 15 listings have been posted online, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 13% of the office spaces in the Corte Madera 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 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 1,470 sqft. Most properties in this region are approximately 2 floors. Most buildings in this area were built in 1980 and are Class A.