Commercial Plumbing in Phoenix
Keep your business open. Repairs, maintenance and new work for restaurants, offices, retail and multi-family properties. Licensed and insured, 24/7 emergency service.




















Plumbing That Fits How Your Building Runs
A commercial plumbing problem is a business problem. A backed-up floor drain closes a kitchen, a dead water heater stops a salon, and a failed backflow test can bring a notice from the city. We handle the plumbing side so the doors stay open: leaks, drains, sewer lines, water heaters, restrooms, backflow and grease devices.
Every job starts with a licensed and insured plumber, a free estimate and an upfront price. For planned work we schedule around your hours and plan any shutoffs with you first. For emergencies, we offer 24/7 service.

Who We Work With
Commercial Plumbing Services
- Drains and sewer lines. Stoppages, repeat backups and line repair, with commercial drain cleaning, hydro jetting, sewer camera inspection and sewer repair.
- Grease traps and interceptors. Interceptor inspection, baffle repair, hydro jetting of the lines, replacement and installation for kitchens. If you'd like, we can coordinate the pumper and pass their charge through on one invoice. See grease trap service.
- Backflow. HQ is certified to test and certify domestic backflow assemblies and files the results with the city. Our certified techs also test fire line backflow assemblies. Send us your city notice. We repair leaks and replace stolen assemblies. For testing requirements, see commercial backflow testing requirements in Arizona.
- Water heaters. Repair and replacement of commercial units. See types of commercial water heaters.
- Leaks and water lines. Leak detection and repair on supply lines, including planned shutoffs. See planning a commercial water shutoff.
- Gas lines. Repair and installation for kitchens and equipment. See gas line service.
- Restrooms and fixtures. Fixture repair, replacement and upgrades. For accessibility rules, read ADA commercial restroom plumbing.
- Underground fire line repair. Outside the City of Phoenix, repair of the buried fire line only.
How a Commercial Call Works
Tell us the problem
Call any time. For an emergency, tell us what is backing up or leaking and where the shutoff is.We diagnose it
A licensed and insured plumber finds the cause, with a camera inspection when a line is involved.You get the price
A free estimate and an upfront price before any work starts, with the options explained.We fix it on your schedule
We work around your hours when we can and plan any shutoffs with you first.
Who Pays, and What Needs a Permit
Two questions come up on almost every commercial call. The first is who pays. It depends on the lease: a triple-net lease usually puts day-to-day interior plumbing on the tenant, and a gross lease usually puts maintenance on the landlord. Read commercial plumbing: tenant or landlord before you order the work.
The second is whether the job needs a permit. Moving or adding fixtures usually does, and a like-for-like swap or a leak repair usually does not. In Phoenix, see the commercial tenant improvement plumbing permit and commercial minor plumbing online permits. Planning a build-out? Start with commercial tenant improvement plumbing.
Backflow, Grease and Inspection Paperwork
Cities check the paperwork as well as the pipes. Backflow assemblies need a yearly certified test, and the requirements differ by city. See which businesses need a backflow assembly in each Valley city. Kitchens keep grease device records; see the grease trap and interceptor rules by city. Restaurants also face health inspections; read what inspectors check in restaurant plumbing.
Fix the Schedule, Not Just the Emergency
The costly calls are usually the ones a schedule would have caught: a grease device past its limit, a missed backflow test, a main line full of roots. A plan puts those on the calendar. See what a commercial plumbing maintenance plan should include and tell us what your building has. We will help you build the schedule during the free estimate.
Businesses that need a plumber they can count on
- Restaurants and commercial kitchens
- Property managers and landlords
- Offices, retail and medical suites
- Apartment communities
- Owners planning a build-out or remodel
What we take on
- Plumbing repair and replacement
- Drains, sewer, and grease device repair and installation
- All domestic backflow assembly testing, certification, leak repair and stolen assembly replacement
- Water heaters and gas lines
- Underground fire line repair (outside the City of Phoenix)
- Fire sprinkler systems
- Fire sprinkler system testing, inspection or certification
Commercial plumbing repairs: tenant or landlord responsibility?
It depends on the lease. There is no single rule. A triple-net (NNN) lease usually puts day-to-day interior plumbing on the tenant, while the landlord keeps structural, roof, and central systems. A gross lease usually puts maintenance on the landlord. The repair clause in your actual lease decides.
Read full answer: Commercial plumbing repairs: tenant or landlord responsibility?What plumbing is involved in a commercial tenant improvement (TI)?
A commercial tenant improvement is the build-out of a leased space for a new tenant. The plumbing depends on the use, but it often means relocating or adding fixtures, floor sinks and drains, a grease interceptor, a water heater, ADA restrooms, and backflow protection, all under a city permit.
Read full answer: What plumbing is involved in a commercial tenant improvement (TI)?What should a commercial plumbing preventive maintenance plan include?
A commercial plumbing preventive maintenance plan should schedule grease interceptor service at the applicable buildup threshold or required interval, whichever comes first, an annual backflow assembly test, periodic drain and sewer jetting with a camera inspection, water heater flushing, fixture and flushometer checks, shutoff valve mapping, pressure checks, and leak monitoring.
Read full answer: What should a commercial plumbing preventive maintenance plan include?How do I plan a water shutoff for my commercial building?
Plan a commercial water shutoff by locating and labeling every valve first, then isolating only the affected zone so the rest of the building keeps service. Schedule it after hours, notify staff and tenants in writing, coordinate the fire line and equipment, relieve pressure, and verify backflow on restart.
Read full answer: How do I plan a water shutoff for my commercial building?Serving The Entire Phoenix Metro
Our crews deliver commercial plumbing across Phoenix and the surrounding Valley. Find your city below:
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Call HQ for a free estimate and an upfront price. We offer 24/7 emergency service across the Phoenix area.




