Code Library
Glendale Plumbing Codes and Permits
Every Glendale plumbing rule we cover, sorted by topic. Each page says what the rule means and links to the official Glendale source.
- Adopted plumbing and gas codes
- 2024 IPC (Appendices B, C, E) and 2024 IFGC (Appendices A, B) with Glendale amendments (Ord. O25-51, effective 2026-01-09). Glendale does not use the UPC.
- Where the code is hosted
- Municode, Glendale Code of Ordinances (Chapter 9 Buildings; Chapter 33 Water, Sewers and Sewage Disposal)
- Permits and inspections
- Development Services Center, 5850 W Glendale Ave, 623-930-2800; inspection requests at the permit line, 623-915-3263
- Water utility and backflow program
- Glendale Water Services, 7070 W Northern Ave, 623-930-4100; Cross Connection Control 623-930-4138
Permits and Inspections
Permits and Inspections in every cityBackflow Prevention
Backflow Prevention in every city- City CodeVerified Sep 2026Glendale City Code Sec. 33-90Glendale City Code 33-90: which businesses need a backflow deviceGlendale City Code 33-90 lists 51 kinds of businesses and uses that must have a backflow device at the water service connection. Restaurants, bakeries, hotels, schools, hospitals, car washes, laundries, multi-family buildings and buildings over 34 feet need a reduced pressure (RP) assembly. Shopping centers and buildings with house pumps need a double check (DC).
- City CodeVerified Sep 2026Glendale City Code Sec. 33-92, 33-90(a)(22) to (24) and 33-96(b)Glendale City Code 33-92: backflow devices on fire sprinkler servicesGlendale requires a backflow device on a fire sprinkler service where Sec. 33-90 calls for one, installed at the service connection to the city's standard specification. If the city wants uninterrupted water during testing, two devices go in parallel. Modifying an existing fire-only service brings the whole system up to current rules.
- City CodeVerified Sep 2026Glendale City Code Sec. 33-94 and 33-96Glendale City Code 33-94: annual backflow test, records and shutoffGlendale requires every backflow device to be tested and serviced at least once a year by a tester the city certifies. If it fails, the customer repairs or replaces it. The customer keeps records on city forms and sends a copy to the city promptly. A missing, untested or bypassed device can lead to a water shutoff after two notices.
- PermitVerified Sep 2026Glendale City Code Sec. 33-99 and 33-91Glendale City Code 33-99: backflow devices must be on your building plansIn Glendale, every backflow device the project needs must be shown and specified on the required building and engineering plans, and the city must approve the intended installation before it issues any building or engineering permit. A plan set with the device missing can hold up the whole permit.
Sewer Lines
Sewer Lines in every cityCommercial Plumbing
Commercial Plumbing in every cityAlso in the library: Uniform Plumbing Code · Arizona · Valley-Wide · Phoenix · Mesa · Chandler · Gilbert · Tempe · Surprise
Need It Done To Glendale Code?
Call a licensed plumber who pulls the permit and passes inspection the first time.