Koster Plumbing has been a family-owned and operated business for over 55 years. Over 5 decades of experience have taught us that using the industry's finest products and fixtures will protect your home or office and save you money on repairs in the long-run. Call us today for your FREE estimate! Our locally-owned and operated team of experienced plumbers can provide you with the most affordable and efficient plumbing repairs and installations for your home throughout West Michigan. Our team of experts can handle all your plumbing needs, including installation of underground sewer and water lines. Come to us for comprehensive plumbing for your next remodeling project. We also provide service for water heaters and water softener systems. Get in touch with us today to receive your FREE estimate! We use the industry's best brands, like Kohler. The professional team at Koster Plumbing has over 55 years of plumbing experience. We can provide you with affordable backflow prevention, barrier-free accessible fixtures and service, and drain cleaning. Choose us for the area's best service for building maintenance, farm irrigation, and sump pumps and dewatering systems. We can also install backup and alarm systems. Do you have an old, out-of-date water heater that can't keep up with the demands of your family? Get in touch with Koster Plumbing for a brand new high-efficiency hot water heater. Our friendly, courteous team has been providing peerless plumbing repairs and installations for Holland and all surrounding communities of West Michigan for over 55 years. Reach out to our locally-owned and operated team to receive your FREE estimate for service today! We strive to provide you with outstanding service and custom solutions. Whether you have an electric or gas water heater for your home or business, our knowledgeable team can provide you with quick and efficient repairs and service. We keep our trucks fully-stocked with a variety of parts suitable for all makes and models.