Nebraska ADU Laws

Complete 2026 guide to accessory dwelling unit regulations

◐Moderate State Law

📋Quick Facts

Max Size
750 sq ft
Owner Occupancy
May be required
Parking
Set locally
Approval Process
Varies locally

📜Recent Legislation

LB866 - Municipal Density and Missing Middle Housing Act (passed, year unclear), applies to cities 20,000+ population

Max $250 one-time application fee for ADUs

⚠️Key Requirements & Restrictions

  • •Municipal Density and Missing Middle Housing Act applies to cities 20,000+ population only
  • •Douglas County typically limits ADUs to ~750 sqft
  • •Must comply with height, setback, and permanent utility requirements
  • •Smaller municipalities and rural areas may have more restrictive regulations

📖Detailed Analysis

Moderate state law - Municipal Density and Missing Middle Housing Act (LB866) defines ADUs and applies to cities of metropolitan, primary, or first class with 20,000+ population. Act allows max $250 one-time application fee but doesn't mandate ADU allowance statewide. Douglas County (Omaha) limits ADUs to ~750 sqft with height/setback/utility requirements. Lincoln and Omaha have their own local regulations. Smaller cities and rural areas operate under local control with varying restrictions. No comprehensive statewide mandate like other progressive ADU states. Primarily focused on larger urban areas while leaving rural/smaller municipalities to set own policies.

🔗Official Resources

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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