The typical asking rate per listing is in the $10's per square foot per year. The Buellton region is seeing a an increase in rates. In the last 3 months, the median rate rose $17 per sqft per year.
In the last 90 days, 2 listings have been posted online, which means new listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the available space in the Buellton are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 970 sqft. Most properties in this area are around 1 stories. Most buildings in this area were built in 2008.