Business Details
50+ Years
experience
Emergency
services
Your Trusted Commercial Plumbing Partner in DC Metro
O'Connor Plumbing has been a trusted name in commercial plumbing services since 1949, serving the Greater Washington area with unwavering commitment to quality craftsmanship. Founded as a family business, we have maintained core values of integrity and professionalism while evolving into one of the region's most respected plumbing contractors. Our team of highly trained technicians delivers solutions for complex plumbing challenges, emphasizing preventative maintenance and emergency services. With over 70 years of local experience, we combine technical expertise with a dedication to customer satisfaction, reflected in our 4.9 Google rating and strong community reputation.We invest in workforce development through apprenticeship programs and actively support local charities through our Shamrock Charities initiative. Our mission extends beyond plumbingwe strive to create a positive work environment, foster career growth, and maintain industry-leading standards through continuous innovation and ethical business practices.
Services
Commercial Plumbing
Hydro Jetting
Sewer Lining
Water Leak Repair
Drain Maintenance
Backflow Testing
Fixture Replacement
Trenching Services
Preventative Maintenance
Commercial Water Heaters
Details
- Year established: 1949
Highlights and features
- 70+ years of commercial plumbing experience in the DC area
- Up-front pricing with no hidden fees
- Uniformed, Master Plumber-certified technicians
- Respect for commercial property during service delivery
- All services backed by written guarantees
What people say
Highly trained technicians
Up front pricing
Respect your property
Guaranteed services
Quick and efficient
Services
Commercial Hydro Jetting
Our high-powered hydro jetting equipment clears commercial sewer blockages using precision water pressure. This non-invasive solution prevents water backup and foul odors while preserving pipe integrity. Technicians complete jobs faster than traditional methods, minimizing business disruption for restaurants, office buildings, and industrial facilities across the DC Metro area.
Sewer & Pipe Lining
We offer trenchless sewer and pipe lining solutions that restore damaged commercial plumbing without excavation. Using camera diagnostics and epoxy lining materials, our certified technicians complete repairs in half the time of conventional methods. This technology extends pipe lifespan while maintaining property landscapes and infrastructure.
Water Leak Repair
Our commercial leak detection service uses thermal imaging and acoustic monitoring to locate hidden water leaks in commercial properties. Technicians respond within hours to prevent structural damage, mold growth, and wasted water costs. We repair leaks in supply lines, water heaters, and underground pipes while maintaining business operations.
Preventative Maintenance
Scheduled maintenance plans help commercial clients avoid emergency plumbing failures through regular system inspections. Our technicians check for wear in pipes, fixtures, and water heaters while providing detailed reports. This proactive approach reduces repair costs and extends equipment lifespan for property managers and business owners.
Backflow Testing
We provide annual backflow prevention testing and certification for commercial properties to meet local code requirements. Our licensed technicians install, repair, and maintain backflow prevention devices that protect public water systems from contamination. Emergency repair services ensure continuous compliance for restaurants and industrial facilities.
People
Tom O'Connor
Owner
Tom O'Connor has led the family business since 1949, continuing his father's legacy of plumbing excellence. With hands-on industry experience spanning seven decades, he oversees technician training and service standards while maintaining active involvement in daily operations.
Questions
What commercial plumbing services do you offer?
We provide hydro jetting, sewer lining, leak repair, backflow testing, fixture replacement, and preventative maintenance for commercial properties across the DC Metro area.
Do you offer emergency plumbing services?
Yes, we provide same-day emergency response for commercial plumbing crises including burst pipes, sewer backups, and water heater failures.
Which areas do you service?
We serve Washington DC, Frederick, Germantown, and over 50 cities in the Greater Washington area.
Are your technicians certified?
All technicians are Master Plumber-certified with ongoing training in the latest commercial plumbing technologies and techniques.
Do you offer financing options?
We provide flexible payment arrangements for large-scale commercial plumbing projects—contact our office for details.
How can I schedule service?
Call 301-540-5050 or use our online form to schedule commercial plumbing services—emergency requests receive immediate attention.
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