Most listings are in the $40's per square foot per year. The Saratoga region is going through a decline in rates. In the last 3 months, the median rate decreased $8 per sqft per year. That's a 14% decline in rent.
Compared to the rest of the Silicon Valley market, the Saratoga region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 4 listings have been posted online, which means listings are probably 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.
Even though the median size is 2,760 sqft, there are still 0 listings below 2,000 sqft. Most properties in this market are around 1 stories. Most buildings in this area were built in 1978 and are Class B.