Business Details
44 Years
experience
Commercial Plumbing Experts in Grand Rapids
Founded in 1982 by Bob Koster Sr., K & S Plumbing has evolved into a trusted third-generation commercial plumbing company serving southern and western Michigan. Our family-owned business combines over four decades of hands-on experience with a commitment to quality customer service, as evidenced by our Better Business Bureau accreditation. We specialize in comprehensive plumbing solutions for industrial and commercial buildings, including new construction and renovation projects. Our team takes pride in maintaining long-term partnerships with clients like McDonald's, where we've served as preferred plumbers for 15+ years. With our main office in Grand Rapids, we deliver reliable service across Michigan while maintaining the personal touch that comes from family ownership.Our approach prioritizes customer satisfaction through proven expertise, timely execution, and adherence to industry standards. From complex installations to routine maintenance, we handle projects of all scales with equal dedication to excellence. Our track record includes notable projects like Maple Ridge Manor and Grand Haven Beach House, demonstrating our ability to meet diverse commercial plumbing needs. We maintain transparent communication throughout every project phase, ensuring clients receive value-driven solutions tailored to their specific requirements. This combination of experience, accreditation, and client-focused service positions us as a leading choice for commercial plumbing in the region.
Services
Commercial Plumbing
New Construction
Plumbing Installation
Maintenance Services
Emergency Repairs
Restaurant Plumbing
Industrial Solutions
Fixture Installation
Details
- Year established: 1982
Highlights and features
- We offer 40+ years of commercial plumbing experience
- Our family-owned business maintains personal service standards
- We are Better Business Bureau accredited for quality assurance
- We serve commercial clients across southern and western Michigan
- Our team has been McDonald's preferred plumber for 15+ years
Associations and certifications
- Better Business Bureau
Services
Commercial Plumbing
We provide comprehensive plumbing solutions for commercial buildings including installations, maintenance, and emergency repairs. Our team handles projects of all scales for businesses across southern and western Michigan. With specialized experience in restaurant and industrial plumbing, we ensure code compliance and operational efficiency for our clients.
New Construction
Our new construction services cover complete plumbing system installations from foundation to final fixtures. We work closely with general contractors on projects like Maple Ridge Manor and Grand Haven Beach House. Our process ensures all plumbing components meet modern standards while accommodating specific building requirements for commercial spaces.
Plumbing Installation
We handle complete plumbing installations including water supply lines, drainage systems, and fixture placement. Our expertise covers commercial kitchens, healthcare facilities, and multi-unit buildings. Each installation follows precise planning to ensure functionality and longevity while meeting all regulatory requirements for commercial properties.
Maintenance Services
Our preventive maintenance programs help businesses avoid unexpected plumbing failures. We offer regular inspections and servicing for commercial properties to maintain optimal system performance. This includes checking water heaters, pipes, and fixtures to prevent costly emergencies while extending equipment lifespan.
Restaurant Plumbing
We specialize in restaurant-specific plumbing needs including grease trap maintenance and commercial kitchen installations. Our team has served McDonald's locations for over 15 years, understanding the unique requirements of food service establishments. We ensure compliance with health codes and provide rapid response for urgent repair needs.
People
Bob Koster Sr.
Founder
Founded K & S Plumbing in 1982 and established its family-owned tradition. Retired in 1997 but laid the foundation for three generations of plumbing expertise.
Bob Koster Jr.
Co-Owner
Took over operations with his brother Jack in 1997. Maintained the company's growth trajectory while preserving its family values and commitment to quality service.
Brian Koster
Manager
Current manager with hands-on experience in commercial plumbing projects. Focuses on maintaining the company's reputation for reliable service and technical excellence in every job.
Ben Koster
Manager
Co-manager with responsibility for operational oversight. Ensures projects meet quality standards while maintaining the family business's customer-centric approach to service delivery.
Robert Koster
Supervisor
Oversees daily operations and project execution. Provides leadership to ensure all plumbing work meets the company's high standards for technical proficiency and customer satisfaction.
Questions
What commercial plumbing services do you offer?
We provide full-service plumbing for commercial buildings including installations, maintenance, emergency repairs, and specialized solutions for restaurants and industrial facilities.
How long have you been in business?
K&S Plumbing has served Michigan businesses since 1982, operating as a family-owned company across three generations of plumbing expertise.
Do you work on large-scale projects?
Yes, we handle projects of all sizes including major new constructions like Maple Ridge Manor and Grand Haven Beach House renovations.
Are you licensed and accredited?
We maintain all required plumbing licenses and hold Better Business Bureau accreditation for quality service and customer satisfaction.
What areas do you serve?
While based in Grand Rapids, we serve commercial clients throughout southern and western Michigan with reliable plumbing solutions.
Why choose your company?
Our 40+ years of experience, family-owned reliability, and proven track record with major clients like McDonald's make us a trusted choice for commercial plumbing needs.
Reviews (4)
Victor Hughes
Jun 11, 2015
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There are so many good things to say about K &S plumbing. The staff are all friendly and professional, which is appreciated, but furthermore the pricing is absolutely amazing. The pricing is fair and justified despite the industry's pricing reputation.
Patrick Bailey
Jun 06, 2015
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K&S Plumbing has very fair prices. If an issue comes up throughout the process, they were there to communicate it with me to get through it. Great installation staff. Thanks.
Audrey Bows
Jun 04, 2015
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We are always satisfied with the work that K&S Plumbing Co. We sometimes fully depend and rely on them, and they always do what they say they will.
Timothy Brown
Mar 05, 2015
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K&S Plumbing has a great staff. It's not a secret that they are very good and always do a good job. They have very competitive prices. Here you definitely will be getting a great service for a great deal.
