You must come to 24 Lowell Street to the Administrative Offices of The Methuen Fire Department (located in the rear of the building) and then schedule an appointment for the inspection. When you are here at the Office, a handout will be given to you explaining where these detectors are to be installed in your home. It is neither easy nor productive to try to explain these locations over the telephone. These inspections are done on Tuesday and Thursday mornings. CLICK HERE for Guidelines for Smoke and Carbon Monoxide Alarm Requirements. There is a $50.00 fee for this inspection. A check made out to the City of Methuen for this inspection would be greatly appreciated. CLICK HERE for Info on How to Prepare Your Home for a Smoke and Carbon Monoxide Alarm Inspection.