The typical asking rate per listing is in the $20's per square foot per year. The Novato submarket is going through a decline in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 23% decrease in rent.
Compared to the rest of the Bay Area market, the Novato submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 26 listings have come on the market, which means new availabilities might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,200 sqft. Most properties in this market are around 2 stories. Most buildings in this area were built in 1987 and are Class A.