Ch. 4 Plumbing Fixtures and Fixture Fittings — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) Chapter 4 · Effective January 1, 2026 · Official source: Building Standards Commission
(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting Agency | BSC | BSC-CG | SFM | HCD 1 | HCD 2 | HCD 1-AC | DSA AC | DSA SS | DSA SS/CC | OSHPD 1 | OSHPD 1R | OSHPD 2 | OSHPD 3 | OSHPD 4 | OSHPD 5 | OSHPD 6 | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopt Entire Chapter | X | |||||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) | X | X | X | X | X | X | X | X | X | X | X | X | X | |||||||||||
| Adopt only those sections that are listed below | X | X | X | X | ||||||||||||||||||||
| Chapter/ |
||||||||||||||||||||||||
| Note Under Chapter Title | X | |||||||||||||||||||||||
| 401.3 | X | X | X | X | X | X | X | X | ||||||||||||||||
| 403.1 | X | |||||||||||||||||||||||
| 403.2 | X | |||||||||||||||||||||||
| 403.3 | X | |||||||||||||||||||||||
| 407.2 | X | |||||||||||||||||||||||
| 407.2.1 | X | |||||||||||||||||||||||
| 407.2.2 | X | |||||||||||||||||||||||
| 407.2.3 | X | X | ||||||||||||||||||||||
| 407.2.4 | X | |||||||||||||||||||||||
| 407.2.4.1 | X | X | ||||||||||||||||||||||
| 408.3 | X | X | X | |||||||||||||||||||||
| 408.3.1 | X | X | ||||||||||||||||||||||
| 408.3.2 | X | X | ||||||||||||||||||||||
| 408.6 | X | X | ||||||||||||||||||||||
| 408.7 Exception 1 | X | X | ||||||||||||||||||||||
| 411.2 | X | X | X | |||||||||||||||||||||
| 411.2.2 | X | X | ||||||||||||||||||||||
| 411.2.2.1 | X | X | ||||||||||||||||||||||
| 411.2.3 | X | X | ||||||||||||||||||||||
| 411.2.4 | X | X | ||||||||||||||||||||||
| 412.1 | X | X | X | |||||||||||||||||||||
| 412.1.1 | X | X | ||||||||||||||||||||||
| 412.1.2 | X | X | ||||||||||||||||||||||
| 412.1.3 | X | X | X | X | ||||||||||||||||||||
| 412.1.4.1 | X | |||||||||||||||||||||||
| 413.2 | X | X | X | X | X | |||||||||||||||||||
| 415.1 | X | |||||||||||||||||||||||
| 417.1.1 | X | X | ||||||||||||||||||||||
| 417.1.2 | X | X | ||||||||||||||||||||||
| 420.2.1 | X | X | ||||||||||||||||||||||
| 420.2.2 | X |
CHAPTER 4 - PLUMBING FIXTURES AND FIXTURE FITTINGS (continued) (Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)
| Adopting Agency | BSC | BSC-CG | SFM | HCD 1 | HCD 2 | HCD 1-AC | DSA AC | DSA SS | DSA SS/CC | OSHPD 1 | OSHPD 1R | OSHPD 2 | OSHPD 3 | OSHPD 4 | OSHPD 5 | OSHPD 6 | BSCC | DPH | AGR | DWR | CEC | CA | SL | SLC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adopt Entire Chapter | X | |||||||||||||||||||||||
| Adopt Entire Chapter as amended (amended sections listed below) | X | X | X | X | X | X | X | X | X | X | X | X | X | |||||||||||
| Adopt only those sections that are listed below | X | X | X | X | ||||||||||||||||||||
| Chapter/ |
||||||||||||||||||||||||
| 422.1 | X | X | X | X | X | |||||||||||||||||||
| 422.1 Exception | X | X | ||||||||||||||||||||||
| Table 422.1 | X | X | X | X | X | X | X | X | X | X | X | |||||||||||||
| 422.1.1 | X | X | ||||||||||||||||||||||
| 422.1.3 | X | |||||||||||||||||||||||
| 422.1.4 | X | X | X | X | X | |||||||||||||||||||
| 422.2 | † | † | ||||||||||||||||||||||
| 422.2 Exceptions | † | † | † | † | † | |||||||||||||||||||
| 422.2 Exception (4) | X | X | ||||||||||||||||||||||
| 422.3.1 & Exception | X | X | X | X | X | X | ||||||||||||||||||
| 422.4 | † | † | † | † | † | † | † | |||||||||||||||||
| 422.5 | † | † | ||||||||||||||||||||||
| 422.6 Exception (3) | X | X | ||||||||||||||||||||||
| 422.7 Exception (2) | X | X | ||||||||||||||||||||||
| 422.8 | X | |||||||||||||||||||||||
| 422.9 | X | |||||||||||||||||||||||
| 422.10 | X | |||||||||||||||||||||||
| 422.11 | X | |||||||||||||||||||||||
| Table 4-1 | X | X | ||||||||||||||||||||||
| Table 4-2 | X | X | X | X | X | |||||||||||||||||||
| Table 4-3 | X | |||||||||||||||||||||||
| Table 4-4 | X |
This state agency does not adopt sections identified with the following symbol: The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.
CHAPTER 4
PLUMBING FIXTURES AND FIXTURE FITTINGS
Note: In addition to the requirements of this chapter, buildings or facilities where accessibility is required for applications listed in California Code of Regulations, Title 24, Part 2 (California Building Code), Chapter 1, Section 1.9.1 regulated by the Division of the State Architect–Access Compliance shall also comply with Title 24, Part 2, Chapter 11A or 11B, as applicable under authority cited by CA Government Code Section 4450 and in reference cited by CA Government Code Sections 4450 through 4461, 12955.1(c), and CA Health and Safety Code Sections 18949.1, 19952 through 19959.
401.0 General.¶
402.0 Installation.¶
403.0 Accessible Plumbing Facilities.¶
404.0 Waste Fittings and Overflows.¶
405.0 Prohibited Fixtures.¶
406.0 Special Fixtures and Specialties.¶
407.0 Lavatories.¶
408.0 Showers.¶
409.0 Bathtubs and Whirlpool Bathtubs.¶
410.0 Bidets.¶
411.0 Water Closets.¶
412.0 Urinals.¶
413.0 Flushing Devices.¶
414.0 Dishwashing Machines.¶
415.0 Drinking Fountains.¶
416.0 Emergency Eyewash and Shower Equipment.¶
417.0 Faucets and Fixture Fittings.¶
418.0 Floor Drains.¶
419.0 Food Waste Disposers.¶
420.0 Sinks.¶
421.0 Floor Sinks.¶
422.0 Minimum Number of Required Fixtures.¶
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