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Earlier editions: 20222019

Chapter 1 — GENERAL CODE PROVISIONS

103.2 Liability. The Authority Having Jurisdiction charged

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-10 · California

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

with the enforcement of this code, acting in good faith and without malice in the discharge of the Authority Having Jurisdiction’s duties, shall not thereby be rendered personally liable for damage that accrues to persons or property as a result of an act or by reason of an act or omission in the discharge of duties. A suit brought against the Authority Having Jurisdiction or employee because of such act or omission performed in the enforcement of provisions of this code shall be defended by legal counsel provided by this jurisdiction until final termination of such proceedings.

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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. 301.7 One- and Two-Family Dwellings . .50
    2. 301.8 OSHPD 1R . . . . . . . . . . . . . . . . . . .50
    3. 310.14 Services/Systems and Utilities . . . .52
    4. 310.15 Telephone and Data
    5. 401.3 Water-Conserving Fixtures
    6. 422.8 Cosmetology . . . . . . . . . . . . . . . . .69
    7. 422.9 Cosmetology Establishments . . . . .69
    8. 422.10 Commissaries Serving Mobile
    9. 422.11 Employee Lavatories in
    10. 501.2 California Energy Code
    11. 601.4 Schools of Cosmetology and
    12. 601.5 Meat and Poultry Processing
    13. 601.6 Collection Centers and
    14. 601.7 Renderers . . . . . . . . . . . . . . . . . . .139
    15. 601.8 Horse Meat and Pet Food
    16. 615.1 Uses Not Permitted . . . . . . . . . . . . .162
    17. 616.0 Emergency Water Supply . . . . . . . .162
    18. 717.2 Meat and Poultry Processing
    19. 727.0 Emergency Sanitary Drainage . . .178
    20. 1010.2 Meat and Poultry Processing
    21. 1010.3 Collection Centers and
    22. 1010.4 Horse Meat and Pet Food
    23. 1010.5 Draining and Plumbing . . . . . . . .197
    24. 1211.8 Earthquake-Actuated Gas
    25. 1501.9 Signage . . . . . . . . . . . . . . . . . . . .310
    26. 1504.5 Irrigation, Disposal Field and
    27. 1504.6 Reserved . . . . . . . . . . . . . . . . . . .318
    28. 1504.7 Reserved . . . . . . . . . . . . . . . . . . .318
    29. 1505.15 Minimum Water Quality
    30. 1505.16 Maintenance and Inspection . . . .322
    31. 101.1 Title. This document shall be known as the “Uniform
    32. 101.2 Scope. The provisions of this code shall apply to the
    33. 101.3 Purpose. This code is an ordinance providing minimum req…
    34. 101.4 Unconstitutional. Where a section, subsection, sentence,…
    35. 101.5 Validity. Where a provision of this code, or the applica…
    36. 102.1 Conflicts Between Codes. Where the requirements
    37. 102.2 Existing Installations. Plumbing systems lawfully
    38. 102.3 Maintenance. The plumbing and drainage system,
    39. 102.4 Additions, Alterations, Renovations, or Repairs.
    40. 102.5 Health and Safety. Where compliance with the provisions …
    41. 102.6 Changes in Building Occupancy. Plumbing systems that are…
    42. 102.7 Moved Structures. Parts of the plumbing system of
    43. 102.8 Appendices. The provisions in the appendices are
    44. 103.1 General. The Authority Having Jurisdiction shall be
    45. 103.2 Liability. The Authority Having Jurisdiction charged
    46. 103.3 Applications and Permits. The Authority Having
    47. 103.4 Right of Entry. Where it is necessary to make an
    48. 104.1 Permits Required. It shall be unlawful for a person,
    49. 104.2 Exempt Work. A permit shall not be required for the
    50. 104.3 Application for Permit. To obtain a permit, the
    51. 104.4 Permit Issuance. The application, construction documents…
    52. 104.5 Fees. Fees shall be assessed in accordance with the
    53. 105.1 General. Plumbing systems for which a permit is
    54. 105.2 Required Inspections. New plumbing work and
    55. 105.3 Testing of Systems. Plumbing systems shall be
    56. 105.4 Connection to Service Utilities. No person shall
    57. 106.1 General. It shall be unlawful for a person, firm, or
    58. 106.2 Notices of Correction or Violation. Notices of
    59. 106.3 Penalties. A person, firm, or corporation violating a
    60. 106.4 Stop Orders. Where work is being done contrary to
    61. 106.5 Authority to Disconnect Utilities in Emergen-
    62. 106.6 Authority to Condemn. Where the Authority Having Jurisdi…
    63. 107.1 General. In order to hear and decide appeals of orders,
    64. 107.2 Limitations of Authority. The Board of Appeals
  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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