Who can file a mechanics lien in California?
Last reviewed July 5, 2026
In California, any contractor, subcontractor, laborer, or material supplier can file a mechanics lien if they have not been paid for work or materials provided on a project. This includes both licensed and unlicensed workers, as long as they contributed to the improvement of the property.
Key points
- Contractors and subcontractors can file a lien.
- Laborers and material suppliers are also eligible.
- Filing is for unpaid work or materials on a project.
In California, the mechanics lien process is a way for those who contribute labor or materials to a construction project to secure payment. The lien must be filed within 90 days after the completion of the work, and it needs to comply with specific requirements outlined in the California Civil Code. Always check the latest regulations for any updates or changes.
How Alloovium helps
Alloovium helps track compliance deadlines and obligations related to mechanics liens.
See how it worksRelated questions
- Can a subcontractor file a lien without a written contract in California?
- Do I need to send a preliminary notice before filing a lien in California?
- How long does a mechanics lien last in California?
- How much retainage can be withheld on a construction project in California?
- What are the prompt payment rules for construction in California?
- What is the deadline to file a mechanics lien in California?
General information for US construction professionals — not legal advice. Lien deadlines, retainage caps and notice rules vary by state; verify with the state statute or a construction attorney.