Most listings are in the $20's per square foot per year. The El Paso de Robles region is seeing a a boost in rates. In the last 3 months, the median rate increased $11 per sqft per year. That's a 73% increase in rent.
In the last 90 days, 14 listings have been made available, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 129% of the listings in the El Paso de Robles 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 800 sqft. Most buildings in this area are approximately 3 stories. Most buildings in this region were built in 2002 and are Class A.