Most listings are in the $20's per square foot per year. The Santa Cruz County region is experiencing a an increase in rates. In the last 3 months, the median rate increased $21 per sqft per year.
In the last 90 days, 2 listings have been made available, which means new listings 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 1,300 sqft. Most buildings in this area were built in 2003.