Most listings are in the $20's per square foot per year. The Santa Cruz submarket is going through a a boost in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 10 listings have been posted online, which means new availabilities might be going fast. You'll want to be prepared to make an offer immediately. 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 2,130 sqft. Most properties in this region are close to 1 floors. Most buildings in this region were built in 1888 and are Class A.