Gem Plumbing Inc is a locally owned and operated plumbing, heating and air conditioning service and repair company. Our Plumbers and HVAC specialists are here and ready to help. We have been helping homes and businesses in Sierra Madre, Pasadena, Arcadia, Monrovia, San Marino and the surrounding communities solve their plumbing and indoor environment needs for over 49 years. We are ready to help with all your plumbing and heating and air conditioning repair and installation needs.