Compared to the rest of the Bay Area market, the Lucas Valley-Marinwood region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 7 listings have been posted online, which means office spaces might be going fast. You'll want to be prepared to make an offer immediately. 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 170 sqft. Most buildings in this region were built in 1980 and are Class A.