The typical asking rate per listing is in the $0's per square foot per year. The Rancho Santa Fe submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $103 per sqft per year. That's a 100% decrease in rent.
In the last 90 days, 0 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the office spaces in the Rancho Santa Fe are subleases, so you will probably have to focus your search on direct office leases. 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 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1989 and are Class B.