Daniel Duff

Duff Plumbing Co

At the center of Duff Plumbing Co is Daniel Duff, a Certified Master Plumber, Architectural Engineer, and 3rd-generation trade authority who brings over 56 years of industry experience to homeowners across Middletown, OH. Born and raised in Middletown, Daniel has owned and operated Duff Plumbing Co for 47 years, combining technical engineering principles with deep, inherited trade knowledge. His degree in Architectural Engineering allows him to evaluate residential plumbing systems from a structural perspective, solving complex mechanical challenges, pipe routing issues, and home retrofits with mathematical precision.

Daniel’s core technical expertise covers every facet of residential plumbing, from whole-home repiping and complex drainage diagnostics to water heater installations and fixture upgrades. Having spent over five decades mastering local building codes, structural plumbing layouts, and hydraulic design, Daniel ensures every system he services is engineered for durability, safety, and long-term efficiency. His unique dual background as a Master Plumber and engineer provides property owners with diagnostic accuracy that standard mechanical contractors cannot match.

Three Generations of Family Ownership, Hands-On Care, and Local Heritage

Duff Plumbing Co operates as a deeply rooted, family-owned business where hands-on service is a daily commitment. Daniel works alongside his wife of 30 years, Sherrie, who plays an active, hands-on role in daily operations to ensure clients receive prompt, organized, and reliable service. Together, Daniel and Sherrie have built a local business reputation founded on hard work, honest pricing, and personal accountability to their neighbors in the Middletown community.

Having served the area for nearly half a century under his ownership, Daniel approaches every residential job with the care and attention to detail he would demand for his own family. By focusing strictly on residential plumbing excellence and transparent client communication, Daniel and Sherrie ensure that every homeowner receives personalized care, clear estimates, and long-lasting mechanical solutions backed by three generations of family pride.

Middletown Native, Classic Car Enthusiast, and Family Man

Outside of engineering home plumbing systems, Daniel is a devoted family man to Sherrie and their three children. In their free time, Daniel and Sherrie love traveling together and attending regional classic car shows, celebrating American automotive craftsmanship and design.

Daniel’s deep roots in Middletown, paired with over 56 years of trade dedication, reflect his commitment to his hometown. His engineering background, Master Plumber certification, and decades of hands-on business ownership make Duff Plumbing Co the area's most trusted name for residential plumbing services.

Protect Your Home with Middletown’s Master Plumbing Authority

Maintaining your home's vital plumbing infrastructure requires the engineering insight, master-level certification, and personal accountability that Daniel Duff delivers. Driven by 56-plus years of trade mastery, Duff Plumbing Co provides reliable residential solutions built to protect your home's comfort and value.

Don't trust your home's structural plumbing to inexperienced contractors. Partner with a local, 3rd-generation Certified Master Plumber and Architectural Engineer who treats your property like his own. Contact Daniel, Sherrie, and the team at Duff Plumbing Co today to schedule your service consultation.