Ask Henry


Carbon Monoxide Detectors


In California, there is a state law that says all homes must have Carbon Monoxide Detectors. My questions is: As part of USPAP, do we need to certify that there is a working detector in each home? If so, do we make the appraisal “subject to” their installation if not present when inspected?

Thank you,
Mike Bucchianeri

Dear Mike,

I am not familiar with this California law. Normally appraisers are not required to test each alarm. However, to be safe many appraisers do test them just to be safe. Other take the position this is something that should be left up the home inspectors. At a minimum I think what I would do is make sure each required room has a detector and if non are installed, not report that in your appraisal.