You can search for B-corps in Bplans
process requirements fees
b corp by state
You can find Zillow type information for Commercial property by using Loopnet.com
You can find prices per square foot and see what properties are available.
You can find regulations for California in several different places.
*Try using the city's website. Look for resources for Business Development
*Find government websites on Google like this site: .gov business regulations California (site colon dot gov)
*Database Westlaw -State materials- California-California Regulations- Title 4 Business- Search (ie Retail)