Most listings are in the $50's per square foot per year. The Tiburon region is seeing a an increase in rates. In the last 3 months, the median rate rose $51 per sqft per year.
Compared to the rest of the Bay Area market, the Tiburon 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, 3 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 167% of the office spaces in the Tiburon are subleases, so you might be able to find a shorter term or below market rent. 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 500 sqft. Most buildings in this region are approximately 0 floors. Most buildings in this area were built in 1980.