Commercial Plumbing in Williston, ND
Licensed commercial plumbing in Williston, ND for property managers, business owners and facility teams across North Dakota.
- Local North Dakota Experts
- Certified Backflow Testers
- Honest Pricing
- Maintenance Plans Available
Your Local Commercial Plumbers in Williston, ND.
We schedule around your customers so your doors stay open.
Commercial Plumbing Services for North Dakota Businesses in Williston, ND
HPN Plumbing is your go-to source for professional commercial plumbing services across Williston, ND. We understand that plumbing problems can disrupt your business, so we focus on quick, effective solutions for everything from drain clogs to complex system overhauls.
Our expertise includes:
- Grease interceptor maintenance and high-pressure hydro jetting of kitchen lines
- Flushometer, urinal, commercial water heater and booster pump service
- Large-scale water heater repair and replacement

Additional Plumbing Maintenance Services in Williston, ND
Our maintenance and specialty plumbing services in Williston, ND protect your home year-round and extend the life of every system.

Customers
Why Choose HPN Plumbing for Commercial Plumbing in Williston, ND?
We know that downtime means lost revenue, which is why HPN Plumbing prioritizes swift and lasting repairs for your commercial plumbing needs.
- Business Continuity, We ensure minimal disruption to your commercial operations with efficient service and lasting repairs.
- Specialized Tools, Our technicians work with industrial-grade equipment like hydro-jetters and video inspection cameras for complete commercial diagnostics and repairs.
- Code Compliant, Our work meets commercial plumbing, backflow and health department requirements.
Citywide Coverage
Property managers rely on us across Williston and nearby areas for single buildings and multi-site portfolios. We coordinate access, keys and tenant notices to keep things smooth.
Experienced Team
Our commercial plumbers have experience with Sloan and Zurn flushometers, Rheem and A.O. Smith commercial water heaters and large-diameter cast iron and PVC drains. Many hold backflow tester certifications.
Safety-First Approach
Safety is paramount in all commercial plumbing projects undertaken by HPN Plumbing. We follow strict safety protocols and make sure all installations and repairs meet or exceed industry standards and local Williston building codes, protecting your property and employees.
Trusted Certified Williston Plumbing Services Professionals
At HPN Plumbing, we take pride in providing certified plumbing services throughout Williston, ND. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationDependable Commercial Plumbing Services in Williston, ND
Fixture and Faucet Repair & Replacement in Williston, ND
High-traffic commercial restrooms and kitchens in Williston often feature sturdy, heavy-duty fixtures and faucets designed for durability but still susceptible to wear and tear. We specialize in repairing and replacing commercial-grade fixtures, including sensor-operated faucets, industrial sinks, and commercial toilets. Our team makes sure of proper installation and recommends durable, water-efficient models that can withstand the demands of a commercial environment, helping to reduce water waste and maintenance costs over time. We work with brands like Sloan, Chicago Faucets, and T&S Brass.

Commercial Grease Trap Services in Williston, ND
Restaurants and food service establishments in Williston are required by law to maintain functional grease traps to prevent fats, oils, and greases (FOG) from entering the sewer system. HPN Plumbing offers complete grease trap cleaning, repair, and installation services. Regular cleaning is essential to prevent blockages and ensure compliance with local health codes. We also diagnose problems like foul odors, slow drainage, or trap overflow, making sure your kitchen operations run smoothly and avoid costly fines and environmental hazards.
Commercial Restroom Fixture Service in Williston, ND
Maintaining functional and hygienic restrooms is essential for any commercial establishment in Williston, ND. HPN Plumbing provides comprehensive services for commercial restroom fixtures, including repair and replacement of toilets, urinals, sinks, and automatic faucets. We address common problems like persistent leaks, clogs, and low water pressure, ensuring your commercial restrooms are always in excellent working order for your patrons and employees.
Commercial Drain Cleaning & Hydro-Jetting in Williston
Commercial drains handle far higher volumes and different types of waste than residential ones, leading to more frequent and stubborn clogs. Our services include powerful hydro-jetting, which uses high-pressure water streams to scour pipe interiors, removing grease, sludge, and debris that build up in commercial kitchens and restrooms. This method is very effective for maintaining the large diameter pipes typical in commercial settings and preventing costly backups in Williston, ND. We service all types of commercial properties, from restaurants to retail stores.
Backflow Prevention Device Services in Williston
Backflow prevention devices are critical for protecting the public water supply from contamination, a serious concern for commercial properties in Williston. Most water providers require annual testing and certification of these devices. Our certified plumbers provide complete testing, repair, and installation of backflow preventers, helping your business stay compliant and safe. We handle all types, including reduced pressure zone (RPZ) assemblies and double check valve assemblies, which are common in commercial and industrial applications. Keeping these devices in good working order is a basic safety measure.
Slab Leak Detection & Repair for Businesses in Williston
Slab leaks can be especially damaging for commercial buildings, especially those built on concrete slab foundations. Basements are standard in most homes, and many rely on sump pumps to manage groundwater during wet springs. These leaks, often caused by shifting soil or corrosive water, can undermine foundations, lead to mold growth, and cause significant water waste. Our technicians use modern acoustic and thermal imaging equipment to pinpoint slab leaks without invasive demolition. Once located, we provide efficient repair solutions, often involving re-routing or pipe repair, to protect your commercial property and prevent costly structural damage in Williston.
Grease Trap Installation & Cleaning in Williston
Restaurants and food service establishments in Williston rely on properly functioning grease traps to prevent fats, oils, and grease (FOG) from entering the sewer system. HPN Plumbing offers expert grease trap installation, repair, and regular cleaning services. We make sure your grease trap is correctly sized for your business's needs and maintained to comply with local FOG regulations, preventing costly blockages and potential fines from the city.

Commercial Pipe Repair & Repiping in Williston, ND
Commercial properties in Williston, especially older buildings, often face issues with aging plumbing infrastructure, including leaks, corrosion, and burst pipes. We provide expert pipe repair, using durable materials like copper, PEX, and various grades of PVC, suitable for commercial demands. For extensive damage or frequent problems, repiping may be necessary to upgrade your system and prevent future disruptions. Our team can assess your current piping, identify weak points, and recommend the most cost-effective and long-lasting solutions for your business.
Commercial Plumbing Near Me in Williston, ND
Businesses across Williston regularly choose HPN Plumbing for their commercial plumbing needs because we are truly local and understand the specific demands of commercial properties here. Our licensed plumbers are always in the area, ready to provide prompt, professional service that keeps your business running smoothly, without the long waits often associated with larger, out-of-town companies.
When you search for 'commercial plumbing near me' in Williston, ND, HPN Plumbing is the trusted local expert ready to serve your business. Our proximity and understanding of local commercial properties mean faster response times and plumbing solutions tailored to the specific challenges faced by businesses in our area. We are committed to being your reliable, nearby commercial plumbing partner.
HPN Plumbing at a Glance
- Licensed and insured plumbers serving Williston, ND
- 24/7 emergency service with same-day scheduling
- Clear written estimates, no hidden fees
- 4.9-star rated by 408+ North Dakota customers
Williston Map
Williston Information
- Population
- 27,706
- Area codes
- Local
- Service area
- Williston and communities within 40 miles
- Nearby
- Watford City, Dickinson, Minot AFB, Minot
For businesses in Williston, ND, dependable commercial plumbing is essential to withstand heavy usage, and our services are built to address local water conditions and the operational needs of your business.
Expert Services
Trust our professionals for reliable HPN Plumbing solutions in Williston, ND.
Our Specialized Plumbing Services in Williston, ND
At HPN Plumbing, we provide a complete range of plumbing services across Williston, ND. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Commercial Plumbing Process Works in Williston, ND
At HPN Plumbing, our commercial plumbing process in Williston, ND is built for efficiency and minimal disruption to your business.
Request a Quote
Contact HPN Plumbing at (701) 403-1348 to schedule a commercial plumbing service or request an emergency response. We'll gather details about your issue and dispatch a qualified technician to your Williston business.
On-Site Assessment
Our commercial plumber arrives promptly to your business in Williston, conducting a thorough diagnosis of the plumbing problem using specialized tools. We will clearly explain the problem and propose the most effective solution.
Expert Service
With your approval, our technician will perform the necessary commercial plumbing repairs, installations, or maintenance. We use high-quality parts and follow industry best practices, ensuring lasting results for your Williston business.
Frequently Asked Questions About Commercial Plumbing in Williston
Service calls for small commercial repairs often run $200 to $600, and larger projects are quoted individually. Backflow tests usually cost $75 to $175 per device.
We service Sloan, Zurn, American Standard, Kohler, Chicago Faucets and T and S Brass fixtures. We also work on Watts, Wilkins and Febco backflow devices.
Hydro-jetting is a powerful drain cleaning method that uses high-pressure water streams to thoroughly clear commercial pipes of blockages, grease buildup, and debris. It's very effective for commercial kitchens and other businesses in Williston that accumulate significant FOG (fats, oils, and grease), providing a much more complete clean than traditional snaking.
Due to the complexity, specialized equipment required, and strict regulatory compliance for commercial plumbing, DIY repairs are strongly discouraged. Attempting to fix commercial plumbing issues without proper training can lead to further damage, code violations, and potential safety hazards. Always trust a licensed commercial plumber.
Yes, HPN Plumbing has specialized expertise in a wide range of commercial plumbing equipment. We regularly service, repair, and install grease traps, industrial pumps, backflow prevention devices, and commercial water filtration systems for businesses across Williston.
Yes, our commercial repairs and installations include written warranties on parts and labor. Manufacturer warranties apply to new equipment as well.
Yes, HPN Plumbing understands that plumbing emergencies can happen anytime and severely impact your business operations. We offer 24/7 emergency commercial plumbing services throughout Williston, ND. You can call us anytime, day or night, and we will dispatch a technician to address your urgent plumbing issue promptly.
Regular preventative maintenance, including scheduled drain cleaning, backflow testing, and water heater flushing, is key. Educating employees on proper waste disposal, especially in kitchens and restrooms, also greatly reduces common issues in Williston commercial properties. Installing strainers and grease traps helps a great deal.
What People Are Saying About Our Plumbing Experts?

James P.
Our commercial plumbing system had a leak under the sink, and HPN Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Williston, ND
Patricia H.
We had a slab leak that two other companies could not find. HPN Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Bismarck, ND
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Mandan, ND
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Watford City, ND
Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Watford City, ND
Emily R.
I called HPN Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Watford City, ND













