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Chapter 1 — GENERAL CODE PROVISIONS

106.1 General.

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-12 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

It shall be unlawful for a person, firm, or corporation to erect, construct, enlarge, alter, repair, move, improve, remove, convert, demolish, equip, use, or maintain plumbing or permit the same to be done in violation of this code.

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)
  1. ▸Chapter 1 — GENERAL CODE PROVISIONS
    Overview
    1. 101.1 Title.
    2. 101.2 Scope.
    3. 101.3 Purpose.
    4. 101.4 Unconstitutional.
    5. 101.5 Validity.
    6. 102.1 Conflicts Between Codes.
    7. 102.2 Existing Installations.
    8. 102.3 Maintenance.
    9. 102.4 Additions, Alterations, Renovations, or Repairs.
    10. 102.5 Health and Safety.
    11. 102.6 Changes in Building Occupancy.
    12. 102.7 Moved Structures.
    13. 102.8 Appendices.
    14. 103.1 General.
    15. 103.2 Liability.
    16. 103.3 Applications and Permits.
    17. 103.4 Right of Entry.
    18. 104.1 Permits Required.
    19. 104.2 Exempt Work.
    20. 104.3 Application for Permit.
    21. 104.4 Permit Issuance.
    22. 104.5 Fees.
    23. 105.1 General.
    24. 105.2 Required Inspections.
    25. 105.3 Testing of Systems.
    26. 105.4 Connection to Service Utilities.
    27. 106.1 General.
    28. 106.2 Notices of Correction or Violation.
    29. 106.3 Penalties.
    30. 106.4 Stop Orders.
    31. 106.5 Authority to Disconnect Utilities in Emergen-cies.
    32. 106.6 Authority to Condemn.
    33. 107.1 General.
    34. 107.2 Limitations of Authority.
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
  5. Chapter 5 — WATER HEATERS
  6. Chapter 6 — WATER SUPPLY AND DISTRIBUTION
  7. Chapter 7 — SANITARY DRAINAGE
  8. Chapter 8 — INDIRECT WASTES
  9. Chapter 9 — VENTS
  10. Chapter 10 — TRAPS AND INTERCEPTORS
  11. Chapter 11 — STORM DRAINAGE
  12. Chapter 12 — FUEL GAS PIPING
  13. Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
  14. Chapter 14 — FIRESTOP PROTECTION
  15. Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
  16. Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
  19. Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
  20. Appendix C — ALTERNATE PLUMBING SYSTEMS
  21. Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
  22. Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
  23. Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS
  25. Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
  26. Appendix I — INSTALLATION STANDARDS
  27. Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
  28. Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
  29. Appendix L — SUSTAINABLE PRACTICES
  30. Appendix M — PEAK WATER DEMAND CALCULATOR
  31. Appendix N — IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR …
  32. Appendix O — NON-SEWERED SANITATION SYSTEMS
  33. Appendix P — PROFESSIONAL QUALIFICATIONS
  34. Appendix Q — INDOOR HORTICULTURAL FACILITIES
  35. Appendix R — TINY HOUSES
  36. Appendix S — ONSITE STORMWATER TREATMENT SYSTEMS

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