Most listings are in the $30's per square foot per year. The Novato region is experiencing a a rise in rates. In the last 3 months, the median rate went up $40 per sqft per year.
Compared to the rest of the Bay Area market, the Novato region has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 47 listings have been made available, so you'll want to check back regularly for new listings. About 77% of the available space in the Novato 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 2,160 sqft. Most properties in this region are around 2 floors. Most buildings in this region were built in 1987 and are Class A.