On average, listings lease in the $40's per square foot per year. The Santa Barbara region is going through a a rise in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 13% rise in rent.
In the last 90 days, 61 listings have been posted online, so you'll want to check back regularly for new listings. About 8% of the available space in the Santa Barbara 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 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 1,390 sqft. Most properties in this region are approximately 2 floors. Most buildings in this area were built in 1971 and are Class A.