As far as practical, and to the extent it can be done without material injury to the rights of the other parties, the property shall be so divided as to allot to a party any portion that embraces improvements made by that party or that party’s predecessor in interest. In such division and allotment, the value of such improvements shall be excluded.
Source:
Section 873.220, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=873.220..