The typical asking rate per listing is in the $100's per square foot per year. The Rancho Santa Fe submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $103 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the San Diego market, the Rancho Santa Fe region has more expensive rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 3 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. 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 940 sqft. Most properties in this market are approximately 2 stories. Most buildings in this region were built in 1989 and are Class B.