On average, listings lease in the $20's per square foot per year. The North Fair Oaks submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $24 per sqft per year.
Compared to the rest of the Silicon Valley market, the North Fair Oaks region has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 2 listings have come on the market, which means new availabilities most likley are 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 2,050 sqft. Most properties in this area are approximately 1 stories. Most buildings in this market were built in 1982 and are Class C.