CO Detector Laws by State

Every U.S. state's carbon monoxide detector requirements — landlord obligations, year enacted, and what the law means for you.

State	Requirement	Landlord Required	Since
Alabama	❌ No State Mandate	N/A	—
Alaska	❌ No State Mandate	N/A	—
Arizona	🔨 Required — New Construction	Varies	2013
Arkansas	❌ No State Mandate	N/A	—
California	✅ Required — All Homes	Yes	2011
Colorado	⚡ Required — Fuel-Burning / Garage	Yes	2009
Connecticut	✅ Required — All Homes	Yes	2005
Delaware	🔨 Required — New Construction	Varies	2012
Florida	🔨 Required — New Construction	Varies	2008
Georgia	🔨 Required — New Construction	Varies	2012
Hawaii	✅ Required — All Homes	Yes	2006
Idaho	❌ No State Mandate	N/A	—
Illinois	✅ Required — All Homes	Yes	2007
Indiana	🔨 Required — New Construction	Varies	2011
Iowa	✅ Required — All Homes	Yes	2010
Kansas	❌ No State Mandate	N/A	—
Kentucky	✅ Required — All Homes	Yes	2011
Louisiana	🔨 Required — New Construction	Varies	2010
Maine	✅ Required — All Homes	Yes	2009
Maryland	✅ Required — All Homes	Yes	2013
Massachusetts	✅ Required — All Homes	Yes	2006
Michigan	⚡ Required — Fuel-Burning / Garage	Yes	2009
Minnesota	✅ Required — All Homes	Yes	2009
Mississippi	❌ No State Mandate	N/A	—
Missouri	❌ No State Mandate	N/A	—
Montana	❌ No State Mandate	N/A	—
Nebraska	❌ No State Mandate	N/A	—
Nevada	✅ Required — All Homes	Yes	2011
New Hampshire	⚡ Required — Fuel-Burning / Garage	Yes	2008
New Jersey	⚡ Required — Fuel-Burning / Garage	Yes	2004
New Mexico	🏙️ Limited / Local Only	Varies	—
New York	✅ Required — All Homes	Yes	2010
North Carolina	✅ Required — All Homes	Yes	2012
North Dakota	❌ No State Mandate	N/A	—
Ohio	✅ Required — All Homes	Yes	2011
Oklahoma	❌ No State Mandate	N/A	—
Oregon	✅ Required — All Homes	Yes	2011
Pennsylvania	✅ Required — All Homes	Yes	2011
Rhode Island	✅ Required — All Homes	Yes	2010
South Carolina	❌ No State Mandate	N/A	—
South Dakota	❌ No State Mandate	N/A	—
Tennessee	❌ No State Mandate	N/A	—
Texas	🔨 Required — New Construction	Varies	2010
Utah	🔨 Required — New Construction	Varies	2011
Vermont	✅ Required — All Homes	Yes	2012
Virginia	✅ Required — All Homes	Yes	2011
Washington	✅ Required — All Homes	Yes	2010
West Virginia	❌ No State Mandate	N/A	—
Wisconsin	✅ Required — All Homes	Yes	2010
Wyoming	❌ No State Mandate	N/A	—

Whatever your state requires — go beyond compliance.

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