Accessory Dwelling Unit (ADU) Rules for Dinosaur, CO

ADU State Law

What can you build in Colorado?

• –ADUs must be approved based on objective standards; no discretionary hearings allowed.
• –Historic properties: Local historic review may still apply in designated historic districts.
• –Exempt parcels: ADUs are not required to be allowed on parcels without adequate water/sewer, in floodways, or on certain historic properties.
• –HOAs cannot prohibit ADUs: HOA rules that conflict with the state ADU law are void.
• –Parking exceptions exist: In rare cases, one parking space may be required if there is no existing off-street parking and on-street parking is prohibited.
• –Local rules still matter: Building code, fire code, utility capacity, and life-safety standards still apply.
• –More permissive is allowed: Municipalities may allow larger ADUs, multiple ADUs, or additional housing types beyond what the state requires.
• –Local zoning controls whether ADUs are allowed at all.
• –HOA rules may still apply.
• –More permissive local rules are allowed.