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El Cajon, CA Building Safety: Plumbing Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Adopted code
California Plumbing Code, 2025 Ed.
Adopting ordinance
Ord. 5161, 10/28/2025
Investigation fee, unpermitted work
Equal to permit fee
Plan review fee
Separate from permit fee
Appeals route
Board of Appeals (Ch. 15.04 procedure)
Violation classification
Misdemeanor + public nuisance

Summary

El Cajon adopts the California Plumbing Code, 2025 Edition, in full as its plumbing code, requiring permits for plumbing installations and materials citywide. An investigation fee equal to the permit fee applies to unpermitted work discovered after the fact.

The California Plumbing Code, 2025 Edition, including, Appendix A and Appendix B, as published by the International Code Council, is adopted as the plumbing code of the city (the "plumbing code"), establishing requirements, rules and standards for plumbing installations and materials, providing for the issuance of permits and the collection of fees. Each and all of such regulations, provisions, penalties, conditions and terms of the California Plumbing Code, 2025 Edition, are referred to, adopted, and made a part of this chapter as though fully set forth in this chapter, excepting such portions as are deleted, modified, added or amended by this chapter.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4940073; v10 updated 2026-06-09).

Full Breakdown

010, adopted by Ordinance 5161 on October 28, 2025, adopts the California Plumbing Code, 2025 Edition, including Appendix A and Appendix B, as El Cajon's plumbing code, establishing requirements, rules and standards for plumbing installations and materials and providing for the issuance of permits and collection of fees. 52 except where the chapter itself deletes, modifies, adds to, or amends it; one copy is kept on file with the city clerk. 050 sets permit fees for all Building Safety Division transactions by council resolution through the city's Schedule of Miscellaneous Fees, and adds an investigation fee equal to the permit fee amount that applies whether or not a permit is ultimately issued, aimed at unpermitted work discovered after the fact.

040 amends the plan review fee provisions to make plan review fees separate from and additional to permit fees, with an added charge when incomplete or changed plans require extra review. 060. 010.

Violations & Fines

Performing plumbing installation or material work that violates the adopted California Plumbing Code, 2025 Edition, or Chapter 15.52's amendments, is a public nuisance under Section 15.52.070 and a misdemeanor under Section 15.52.080, punishable under the general penalty clause in Section 1.24.010. Unpermitted work discovered later still triggers the Section 15.52.050 investigation fee equal to the permit fee, regardless of whether a permit is subsequently issued.

Frequently Asked Questions

Which plumbing code does El Cajon enforce?
Section 15.52.010 adopts the California Plumbing Code, 2025 Edition, including Appendix A and Appendix B, in full as the city's plumbing code, with permits required for plumbing installations and materials citywide unless a section is locally amended.
What if I did plumbing work in El Cajon without a permit?
Section 15.52.050 charges an investigation fee equal to the amount of the permit fee for unpermitted work discovered after the fact, collected whether or not a permit is subsequently issued, in addition to any misdemeanor penalty under Section 15.52.080.
Are plan review fees separate from El Cajon plumbing permit fees?
Yes. Section 15.52.040 makes plan review fees a separate charge from permit fees, and adds an extra fee when plans are incomplete or changed in a way that requires additional review.

Sources & Official References

Other rules in El Cajon

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