Orange, CA Building Safety: Plumbing Permits (2026)
Key Facts
- Governing code
- 2025 California Plumbing Code (based on 2024 UPC)
- Adopting section
- Orange Municipal Code § 15.16.010
- Local amendments
- None; §§ 15.16.020, .025 reserved
- Maximum penalty
- $1,000 fine and/or 6 months jail per day
- Fee basis
- City Council resolution, based on work valuation
Summary
Orange requires a plumbing permit for equipment construction, alteration, repair, or conversion work under the 2025 California Plumbing Code, based on the 2024 Uniform Plumbing Code, adopted by City Code Section 15.16.010. The Community Development Department's Building and Safety Services Division reviews and issues plumbing permits alongside building permits. Unpermitted plumbing work violates Section 15.16.030, punishable by fines up to $1,000 and up to six months in jail per day.
For the purpose of prescribing regulations for plumbing equipment construction, alteration, repair, improving, conversion and demolition, the following construction code, subject to the modifications set forth in this chapter, is hereby adopted: the California Plumbing Code, 2025 Edition, based on the 2024 Uniform Plumbing Code as published by the International Association of Plumbing and Mechanical Officials.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4796775; v10 updated 2026-01-27).
Full Breakdown
010 adopts the California Plumbing Code, 2025 Edition, based on the 2024 Uniform Plumbing Code as published by the International Association of Plumbing and Mechanical Officials, as the construction code governing plumbing equipment construction, alteration, repair, improving, conversion, and demolition throughout the City of Orange. 025, are marked 'Reserved,' meaning Orange has not adopted any local amendments to the base Uniform Plumbing Code text; the state-published 2025 edition controls installation, material, and inspection standards without a city-specific modification chapter, in contrast to the Building and Electrical Code chapters, which both carry their own local amendment sections.
020. New water heaters, repiping, sewer lateral replacement, gas line work, and fixture additions or relocations all require a permit and inspection before the work is covered or placed into service.
Violations & Fines
Section 15.16.030 makes any violation of the plumbing code chapter a separate offense for each day it continues, punishable by a fine of not more than $1,000, imprisonment for not more than six months, or both. As with the building and electrical chapters, the city may also enforce plumbing code violations through injunction or other appropriate civil remedy in addition to citing the responsible person, firm, or corporation criminally.
Frequently Asked Questions
What plumbing code does Orange enforce?
Do I need a permit to replace a water heater in Orange?
What is the penalty for unpermitted plumbing work in Orange?
Sources & Official References
Other rules in Orange
California rules heatmap·Compare Orange to another location·View the California building safety overview
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Plumbing Permits in Nearby Cities
How other cities in Orange County handle plumbing permits.