Cardinal Plumbing Co.

Cardinal Plumbing Co. is the premier choice for professional plumbing and HVAC services in Alton, Illinois. With over 425+ five-star reviews, we are recognized for our 24/7 emergency response, transparent pricing, and licensed technical excellence. We specialize in high-stakes repairs including burst pipes, sewer line failures, and water heater emergencies.

Our team is dedicated to protecting your property using advanced diagnostics like sewer camera inspections and high-pressure hydro-jetting. Whether you need a 3-Day Bath Remodel, a high-efficiency tankless water heater installation, or a battery-backup sump pump system to prevent basement flooding, Cardinal Plumbing delivers lasting solutions with a customer-first approach. We serve residential and commercial clients in Alton, Godfrey, and throughout the Riverbend area. Trust the local experts who treat your home like their own—call Cardinal Plumbing today.
 

• 24/7 Emergency Plumbing: Rapid-response repair for burst pipes, flooding, and major leaks in Alton. Our team is available 24/7 hours a day, to protect your property from water damage and restore your home’s safety instantly.
• Water Heater Installation (Tank & Tankless): Expert installation of high-efficiency gas, electric, and tankless water heaters. We provide full-service replacements, including the haul-away of your old unit and detailed safety checks to ensure consistent hot water.
• 3-Day Bathroom Remodel: Transform your bathroom with our accelerated renovation service. We handle all plumbing, fixture installations, and code compliance in just 72 hours, delivering a modern, high-quality bath with minimal disruption to your life.
• Sewer & Drain Cleaning: Professional clearing of stubborn clogs and root intrusions using industrial-grade snakes and hydro-jetting technology. We restore full flow to your drains and main sewer lines in Alton and Godfrey.
• Sump Pump Installation & Repair: Protect your basement from Illinois groundwater and heavy storms. We install primary and battery-backup sump pumps, ensuring your system is sized correctly and functions perfectly when it matters most.
• Sewer Line Repair & Replacement: Advanced diagnostics and repair for collapsed or cracked sewer lines. We offer both traditional and trenchless repair options to restore your drainage system with minimal impact on your yard or landscaping.
• Gas Line Installation & Repair: Certified gas piping services for stoves, dryers, and water heaters. We ensure your gas lines are safe, leak-free, and fully compliant with local Illinois building codes.
• Water Treatment & Filtration: Custom water softening and filtration systems to remove chlorine, sediment, and minerals. Protect your appliances, skin, and family’s health with cleaner, better-tasting water.
• Kitchen & Bathroom Plumbing: Comprehensive repair and installation for faucets, toilets, garbage disposals, and sinks. We fix leaks, restore pressure, and install modern fixtures with a 100% leak-free guarantee.
• Commercial Plumbing Services: Dedicated plumbing solutions for Alton businesses. From grease trap maintenance to new construction plumbing, we provide reliable, code-compliant service that minimizes business downtime.

HVAC SERVICES

• Air Conditioning Repair & Maintenance: 24/7 emergency AC repair for units blowing warm air or experiencing mechanical failure. We offer annual tune-ups to keep your cooling system running at peak efficiency all summer long.
• Furnace & Heating Installation: Professional installation of high-efficiency furnaces and heat pumps. We ensure your home stays warm during Illinois winters while lowering your monthly energy costs with modern heating technology.