Plumber in St. Louis, MO

Professional Plumbing Installations & Repairs

In addition to our full range of heating, air conditioning, and indoor air quality services, Dunn Plumbing, Heating & Air Conditioning, LLC proudly provides comprehensive plumbing services. If you are searching for a reliable plumber in St. Louis, MO, or nearby areas, count on our team of plumbing professionals to deliver outstanding results. Whether you need water heater repair or want water filters installed in your home, our professionals are available day or night, every day of the week.

We serve Mehlville, Ballwin, Affton, and other locations throughout the St. Louis region. Our team handles plumbing installations, repairs, and maintenance for many plumbing products and systems in both residential and commercial settings.

Our plumbing services include:

• Drain Cleaning
• Leak Detection & Repair
• Piping & Repiping
• Plumbing Repairs
• Showers & Bathtubs
• Tank Water Heaters
• Tankless Water Heaters
• Expansion Tanks
• Water Softeners
• Water Filters

Our team knows that St. Louis homes present unique plumbing challenges due to a range of factors, from aging infrastructure in historic neighborhoods to hard water that can affect fixtures and appliances. We work with all types of plumbing materials, adapting repair and installation approaches for each property’s needs. Whether you live in a classic brick house near Tower Grove Park or a modern condo downtown, our licensed plumbing contractors address problems with precision and care. Staying up to date on municipal plumbing codes, we ensure every project meets local safety and performance standards so you can count on your plumbing system long after we leave.

When you need urgent repairs for your water heater, want to install a new water softener, or need to replace a water filter, we can help. We back all our work with a 100% customer satisfaction guarantee.

Call (314) 476-9606 for 24/7 Emergency Plumbing Services or schedule your appointment online today. 

Why Choose Dunn Plumbing, Heating & Air Conditioning, LLC?

At Dunn Plumbing, Heating & Air Conditioning, LLC, we commit to delivering the highest level of quality workmanship and service at a fair and competitive price.

With decades of experience serving St. Louis and the surrounding area, we understand the plumbing needs of both historic and new construction homes. Our team brings deep familiarity with the challenges specific to local water conditions and neighborhood codes. We maintain the training and certifications required by St. Louis City and County, helping ensure compliance and peace of mind for every client. From Central West End to Mehlville, our licensed plumbers deliver service you can trust.

We are proud to offer:

• Free estimates on new system installations
• Waived service fees with repairs
• 24/7 emergency repairs and service
• Same-day appointments
• Payment plans, coupons, and financing options
• A 100% satisfaction guarantee
• A 100% money back guarantee

Our highly awarded team works to ensure every project is done right. If you are not completely satisfied, we will resolve the issue or refund your money—no questions asked.

Licensing, Credentials & Compliance in St. Louis

Choosing a licensed and insured plumbing contractor in St. Louis means your property and project are protected at every step. At Dunn Plumbing, Heating & Air Conditioning, LLC, we maintain all state and local licensing required for plumbing contractors who serve both St. Louis City and St. Louis County. Our team stays current with evolving building codes, regional ordinances, and permit requirements, so every installation or repair meets all legal and safety standards. We handle projects in compliance with the regulations set forth by the St. Louis County Plumbing Code and adhere closely to guidelines enforced by the St. Louis Metropolitan Sewer District (MSD).

Our rigorous compliance process includes verifying permitting where necessary and guiding homeowners through mandated inspections, reducing unexpected delays or costs. St. Louis often enforces strict regulations related to water conservation, backflow prevention, and lead pipe replacement, especially in older neighborhoods. Our familiarity with this landscape helps ensure your plumbing improvements are both long-lasting and accepted by local authorities the first time.

We encourage customers to verify contractor licensing by referencing state and municipal resources. If you have a question about whether your next job requires a specific permit or inspection, our customer care team can assist you in understanding local obligations. We prioritize professionalism in every step, so our clients enjoy complete peace of mind entrusting work to our fully credentialed team.

What to Expect from Our Plumbing Service Process

When you choose Dunn Plumbing, Heating & Air Conditioning, LLC as your plumbing company in St. Louis, you collaborate with a team focused on clarity, comfort, and efficiency. We start each project with a detailed assessment, listening closely to your concerns so we can provide options tailored to your schedule and budget. Our estimating process lays out transparent pricing for each recommended service. For new system installations, we offer free estimates and second opinions, ensuring you feel confident before moving forward.

Our work often begins with an on-site inspection where we examine plumbing materials, fixture condition, and accessibility. We explain all necessary steps before starting repairs or installation, so you never face surprises. During emergencies, we prioritize quick communication and arrive prepared to address urgent issues with the right tools and equipment. Because many St. Louis homes have unique features such as older piping or historic fixtures, we adapt our approach for each property’s needs. By providing same-day appointments for most services, we reduce inconvenience and restore household function as promptly as possible.

After completing your project, we thoroughly test our work, review the results with you, and answer your maintenance questions. We stand behind every service with our 100% satisfaction and money-back guarantee. Our goal is a seamless experience from the first call to follow-up care, so you always know you can count on us for timely, reliable plumbing services throughout St. Louis and the surrounding region.

St. Louis Plumbing Problems & Solutions: Local Insights

St. Louis properties encounter unique plumbing issues influenced by geography, infrastructure, age, and climate. Many older homes in neighborhoods like Soulard or Lafayette Square face aging galvanized pipes, which can contribute to reduced water pressure or discolored water. Homes built from the mid-century onward often have varying materials that require different maintenance or replacement strategies. Our team brings decades of practical experience addressing these localized challenges, ensuring efficient repairs and upgrades that fit the Saint Louis environment.

Water quality is another factor influencing plumbing systems in the region. In many areas, hard water can leave mineral deposits inside pipes and affect appliance efficiency. We assess each home’s water and recommend water softener and water filter installations with precision. For sewer or drain issues, we account for the hilly terrain and older combined sewer systems still present in the city, ensuring every solution works with local infrastructure. Our understanding of St. Louis’s plumbing landscape means we adopt repair methods and technologies that extend the life of your system while meeting municipal standards.

Each technician undergoes ongoing training to stay informed about trends, products, and new code requirements that apply across the St. Louis area. We believe our practical insight and community commitment set us apart among local plumbing contractors. Clients rely on us to anticipate challenges and offer honest advice, no matter how complex their systems may be. Whether you own a historic home, a new build, or a multi-family property, we provide effective, regionally informed plumbing solutions.

24/7 Emergency Plumbing Services in St. Louis

For plumbing services anywhere in the St. Louis area, including plumbing system or fixture installation, contact the team at Dunn Plumbing, Heating & Air Conditioning, LLC. We understand the urgency of plumbing emergencies, so our team is available 24/7 for all your plumbing needs in St. Louis and surrounding areas.

St. Louis property owners know that severe weather changes—like freezing winters and heavy summer rain—can affect the plumbing in homes and businesses. Our trained plumbers respond quickly to emergencies ranging from frozen pipes to unexpected water line breaks. We use equipment designed for both older city infrastructure and modern buildings, delivering fast solutions day or night. Because we staff fully equipped vehicles, we can handle most emergency plumbing calls immediately, helping to restore water and prevent further property damage. Coordinating with local utility procedures also allows us to meet required standards and reduce disruption for our clients.

Contact us to learn more—we look forward to serving you!

Get in touch with us at (314) 476-9606 to book your plumbing service with our trusted St. Louis team.