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37 Years
experience
Emergency
services
Trusted Plumbing Services in O'Fallon, MO
Armstrong Plumbing has been a family-owned and operated business since 1989, serving homeowners and businesses across Greater St. Louis with reliable plumbing solutions. Our team brings decades of combined experience to every project, prioritizing integrity, transparency, and customer satisfaction. We are fully licensed and insured in Missouri, accredited by the BBB, and recognized as a HomeAdvisor Elite Service provider. Our services include same-day and emergency plumbing, installations, repairs, and maintenance, with a focus on preventing future issues through thorough diagnostics and post-service inspections.

We guarantee our work, offer transparent pricing, and back our services with warranties, ensuring clients receive long-lasting, code-compliant solutions. With a commitment to ongoing education and industry-leading techniques, we deliver cutting-edge plumbing services tailored to modern needs while maintaining a deep respect for our customers' homes and budgets.
Services
Drain Cleaning Water Heater Repair Sewer Line Repair Fixture Installation Emergency Plumbing Bathroom Remodeling Kitchen Remodeling Gas Line Services Sump Pump Repair Sewer Cleaning
Details
  • Year established: 1989
Highlights and features
  • We offer same-day service for urgent plumbing needs.
  • Our team is accredited by the Better Business Bureau (BBB).
  • We provide 24/7 emergency plumbing services for unexpected issues.
  • Our plumbers are licensed, insured, and highly experienced.
  • We guarantee transparent pricing with no hidden fees.
Associations and certifications
  • BBB
  • HomeAdvisor Elite Service
What people say
Courteous, professional Reliable, honest Greatest help Professional and knowledgeable Code-compliant installations
Services
Drain Cleaning
Armstrong Plumbing offers professional drain cleaning to resolve clogs and prevent future blockages. Our methods include hydro jetting, drain snaking, and video inspections to ensure thorough cleaning. We address hair buildup, grease, mineral deposits, and tree root intrusions, restoring optimal flow to kitchen sinks, showers, and sewer lines. Regular maintenance extends pipe longevity and reduces emergency risks.
Water Heater Repair
We specialize in repairing and maintaining water heaters, including tankless models. Our technicians diagnose issues like leaks, inconsistent temperatures, and sediment buildup. Services include replacing heating elements, thermostats, and anode rods, as well as annual flushing to improve efficiency. We advise on repairs versus replacements based on age and cost-effectiveness.
Sewer Line Repair
Our sewer line repair services address blockages, cracks, and root intrusions using camera inspections and minimally invasive techniques. We replace aging clay or cast iron pipes with durable plastic piping, preventing leaks and backups. Emergency repairs and preventative maintenance safeguard against property damage and costly emergencies.
Fixture Installation
Armstrong Plumbing installs and replaces faucets, toilets, showers, and kitchen fixtures with precision and code compliance. We ensure proper integration into existing systems, using high-quality materials for durability. Services include bathroom and kitchen remodels, ensuring functionality and aesthetic appeal while adhering to local building regulations.
Emergency Plumbing
Available 24/7, our emergency plumbing services address burst pipes, flooding, and severe leaks. We prioritize rapid response times to minimize water damage and restore safety. Technicians carry essential tools for immediate fixes, including pipe repairs, valve replacements, and water extraction, ensuring homes remain habitable during crises.
Questions
Why is my water heater making noise?
Loud noises from your water heater may indicate sediment buildup or electrical issues. Contact Armstrong Plumbing for immediate inspection and repair to prevent further damage.
How can I tell if I have a hidden water leak?
Check your water meter before and after a period of no usage. A significant change suggests a leak. Inspect faucets and pipes, or contact us for advanced leak detection.
What should I do about low shower pressure?
Low pressure may stem from pipe leaks or insufficient water supply. Our technicians can diagnose and resolve the issue, including system upgrades if necessary.
How do I prevent clogged drains?
Avoid disposing of grease, hair, and food scraps down drains. Use drain screens and schedule annual professional cleanings to maintain clear pipes and prevent blockages.