Benefit to the remainder is the benefit, if any, caused by the construction and use of the project for which the property is taken in the manner proposed by the plaintiff whether or not the benefit is caused by a portion of the project located on the part taken.
Source:
Section 1263.430, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=1263.430..