The typical asking rate per listing is in the $50's per square foot per year. The Corte Madera region is experiencing a a boost in rates. In the last 3 months, the median rate went up $55 per sqft per year.
Compared to the rest of the Bay Area market, the Corte Madera region has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 5 listings have come on the market, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 20% of the available space 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,140 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1980 and are Class B.