Mark Smith Plumbing is a fully licensed and insured, veteran-owned plumbing company based in Clayton, NJ. We offer the full spectrum of plumbing services from leak and pipe repair, drain cleaning, and water heater installation and repair. We have been a family-owned and operated business since 1955 so you know that you will receive excellent services when you call us. Our technicians are courteous, polite, and experienced while providing quality plumbing, customer service, and cost-effectiveness. We are commercial and residential plumbers, handling any installation or repair needs! Contact us today for an estimate or to schedule your service.