I don't think that's the issue. Look through the R4 zones on the sunnyvale zoning map. http://sunnyvale.ca.gov/Departments/CommunityDevelopment/MapsandData.aspx

I don't think that's the issue. Look through the R4 zones on the sunnyvale zoning map. http://sunnyvale.ca.gov/Departments/CommunityDevelopment/MapsandData.aspx http://sunnyvale.ca.gov/Departments/CommunityDevelopment/Map... Almost every one of those is a beautiful new (tall) building that efficiently uses the space, and the plots aren't huge.