On average, listings lease in the $20's per square foot per year. The Larkfield-Wikiup region is seeing a a boost in rates. In the last 3 months, the median rate rose $26 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Bay Area market, the Larkfield-Wikiup submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 8 listings have been listed, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,690 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 2007 and are Class B.