What is the deadline to file a mechanics lien in Colorado?
Last reviewed July 5, 2026
In Colorado, the deadline to file a mechanics lien is four months from the last date you provided labor or materials. If you're a property owner, you have two months after receiving a notice of intent to lien.
Key points
- File within four months of last work or materials.
- Owners have two months after a notice of intent.
- Check local statutes for specific timelines.
- Laws can vary by county.
Keep track of your work dates and any notices you receive. If you're a subcontractor, communicate with the GC and maintain records of your contributions to avoid missing the filing window.
How Alloovium helps
Alloovium can help you track deadlines and compliance requirements for filing mechanics liens.
See how it worksRelated questions
- Can a subcontractor file a lien without a written contract in Colorado?
- 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 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.