Home/Colorado Lien Deadlines

Colorado Mechanics Lien & Preliminary Notice Deadline Calculator

Calculate exact statutory cutoff dates for commercial subcontractors in Colorado (CO) under Notice of Intent to File Lien (C.R.S. § 38-22-109) and export calendar reminder alerts.

Colorado (CO) Mechanics Lien Deadline Calculator

Statute Reference: Notice of Intent to File Lien (C.R.S. § 38-22-109)

120-Day Filing Window
Colorado Preliminary Notice Deadline
Enter First/Invoice Date

Must serve Notice of Intent at least 10 days before recording lien.

Colorado Final Mechanics Lien Cutoff
Enter Last Work Date

Calculated 120 calendar days from your last day furnishing labor or materials.

Get Automated SMS Alerts ($19/mo) →

When is a preliminary notice due in Colorado?

In Colorado, specialty subcontractors must serve a Notice of Intent to File Lien (C.R.S. § 38-22-109) within 10 days of invoice or pre-filing notice date. Must serve Notice of Intent at least 10 days before recording lien.

Read Step-by-Step Colorado Preliminary Notice Guide →

How many days do you have to file a mechanics lien in Colorado?

Under Notice of Intent to File Lien (C.R.S. § 38-22-109), a Colorado mechanics lien must generally be filed within 120 days from the last day labor or materials were furnished to the project.

Generate a Colorado Notice of Intent to Lien Letter →
Free Subcontractor Estimating Suite

Pricing your next Colorado commercial bid?

Calculate true payroll burden, overhead recovery, and gross profit margin before submitting your proposal.

Mechanics Lien Deadlines by State (All 50 States + D.C.)