Can a subcontractor file a lien without a written contract in Colorado?
Last reviewed July 5, 2026
Yes, in Colorado, a subcontractor can file a lien without a written contract, but they must show they provided labor or materials for the project and follow the state's lien requirements.
Key points
- Subcontractors can file liens without a written contract in Colorado.
- They must prove they supplied labor or materials for the project.
- Follow Colorado's lien filing procedures and deadlines.
Colorado law allows subcontractors to file mechanics liens without a written contract. They need to provide evidence of their work or materials supplied. Following the state's specific lien filing procedures and deadlines is necessary to make the lien valid.
How Alloovium helps
Alloovium can help track compliance deadlines and obligations related to lien filings.
See how it worksRelated questions
- Do I need to send a preliminary notice before filing a lien in Colorado?
- How long does a mechanics lien last in Colorado?
- How much retainage can be withheld on a construction project in Colorado?
- What are the prompt payment rules for construction in Colorado?
- What is the deadline to file a mechanics lien in Colorado?
- What is the difference between a conditional and unconditional lien waiver in Colorado?
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.