Top 10 Commercial Plumber in Phoenix, AZ
The best commercial plumbing companies in Phoenix, AZ for 2026 include Wyman Plumbing & Mechanical LLC (5), Robins Plumbing, Inc (4.9), The Aussie Plumber (5). All handle commercial buildouts, maintenance contracts, grease traps, backflow testing, and emergency service.
Wyman Plumbing & Mechanical LLC
Diamondback Plumbing
Robins Plumbing, Inc
Maloney Plumbing & Drain Services in Phoenix, AZ
Parker & Sons
Somers Plumbers - Phoenix Plumbing Company
Benjamin Franklin Plumbing of Phoenix, AZ
Ocean Plumbing LLC
Anthony's Plumbing
Deer Valley Plumbing & Air Conditioning
How We Ranked These Phoenix Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Phoenix market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How is commercial plumbing different from residential?
Commercial plumbing involves larger pipe sizes, more complex systems, code requirements specific to business types, grease traps, backflow preventers, and often requires specialized licensing.
How much does commercial plumbing cost in Phoenix?
Commercial plumbing rates in Phoenix are $100-$200/hour, higher than residential due to complexity. Service contracts for maintenance run $200-$500/month depending on the building size and fixtures.
Do restaurants need special plumbing?
Yes. Restaurants require grease traps (cleaned monthly), separate waste lines, commercial dishwasher connections, floor drains, and regular backflow testing. Health department inspections verify compliance.