Colorado ADU Laws

Complete 2026 guide to accessory dwelling unit regulations

Strong Statewide Law

📋Quick Facts

Owner Occupancy
✓ Not required
Parking
✓ Limited by state
Approval Process
✓ By-right
Effective Date
6/30/2025

📜Recent Legislation

HB 24-1152 (2024) - Requires subject jurisdictions to allow ADUs by June 30, 2025

⚠️Key Requirements & Restrictions

  • Applies to 'Subject Jurisdictions' only

📖Detailed Analysis

June 2025 deadline for subject jurisdictions to allow one ADU where single-unit detached dwellings are allowed.

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⚠️ Disclaimer

The information provided on this website is for general informational purposes only and does not constitute legal, financial, or professional advice. ADU laws, regulations, and requirements vary by jurisdiction and change frequently. While we strive to keep this information accurate and up-to-date, we make no representations or warranties of any kind about the completeness, accuracy, reliability, or suitability of this information. Always consult with qualified local professionals, including attorneys, architects, and your local planning department, before making any decisions regarding ADU construction or investment. Use of this information is at your own risk.

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Last updated: February 2026