As of January 1, 2014, all dwelling units intended for human occupancy for which a building permit is issued on or after January 1 for alterations exceeding $1,000, all single-family dwelling and factory-built housing which is sold, and all dwellings (multiple-dwelling complexes and single-family dwellings) units that are rented or leased, must have smoke alarms … Continue reading New Smoke Alarm Regulations Now In Effect