Greeley ADU Zoning Rules & Permit Guide

ADU Regulations in Greeley, Colorado

Updated September 29, 2026

Situated in Weld County in Northern Colorado, Greeley permits ADUs under local ordinance. Colorado has no statewide ADU mandate (HB 24-1152 focuses on transit density, not ADU-specific rules), so Greeley's local regulations are the governing authority.

Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Greeley as of 2026. Regulations are governed by local zoning ordinances, as Colorado has no statewide ADU mandate (HB 24-1152 addresses transit density).

Additional Local Requirements for Greeley

• Minimum lot size: 5,000 sq ft
• ADU must be at least 200 sq ft
• Owner must occupy the property
• Separate utility meter required
• ⚠️ CO has NO statewide ADU mandate

Frequently Asked Questions About ADUs in Greeley

Can I build an ADU in Greeley?

Greeley allows ADUs in residential zones. The property owner must occupy either the primary dwelling or the ADU.

What is the maximum ADU size allowed in Greeley?

ADUs in Greeley can be up to 1,000 square feet, subject to the property's zoning and lot coverage limits. Always confirm the exact allowed size with the Greeley planning department before designing your project.

What are the setback requirements for an ADU in Greeley?

ADUs in Greeley generally require setbacks of 5 ft rear, 5 ft side. Colorado has no statewide ADU mandate, so the exact setback figures come from Greeley's own zoning code — confirm them with the city planning department before you design.