The taking of any note or any additional security by any person given a lien by this chapter shall not constitute a waiver of the lien given by this chapter unless made a waiver by express agreement of the parties in writing. The claiming of a lien under this chapter shall not constitute a waiver of any other right or security held by the claimant unless made a waiver by express agreement of the parties in writing.
Source:
Section 1203.63, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=1203.63..