Welcome to Prime-Line Business

Headquartered in Redlands, California, Prime-Line Products was established in 1978 as a supplier of Window and Door Replacement Hardware. What started as an initial offering of 300 parts, has now grown to an assortment of thousands of items in a variety of categories within the Home Improvement space.



Prime-Line’s growth is enhanced by a state of the art warehouse operation and a team of dedicated employees. A relentless focus on innovation, customer service, attention to detail and proprietary market data have been instrumental in developing Prime-Line’s leading position in the market.