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Appendix A4

Section A4.602

California Green Building Standards Code (Title 24, Part 11) · 2022 edition · updated 2026-09-12 · California

RESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST—continued

FEATURE OR MEASURE LEVELS
APPLICANT TO SELECT ELECTIVE MEASURES		 VERIFICATIONS
ENFORCING AGENCY TO SPECIFY
VERIFICATION METHOD
FEATURE OR MEASURE Mandatory Prerequisites and electives1 Prerequisites and electives1 Enforcing
Agency

All		 Installer or
Designer

All		 Third
party

All
FEATURE OR MEASURE Mandatory Tier 1 Tier 2 Tier 2 Tier 2 Tier 2
Material Sources
A4.405.1 One or more of the following building materials, that do
not require additional resources for finishing are used:
1. Exterior trim not requiring paint or stain
2. Windows not requiring paint or stain
3. Siding or exterior wall coverings which do not require paint or
stain
A4.405.2 Floors that do not require additional coverings are used
including but not limited to stained, natural or stamped concrete
floors.
A4.405.3Postconsumer or preconsumer recycled content value
(RCV) materials are used on the project.
**Tier 1.**Not less than a 10 percent recycled content value.
**Tier 2.**Not less than a 15 percent recycled content value.		 2 2
A4.405.4Renewable source building products are used.
Enhanced Durability and Reduced Maintenance
4.406.1 Annular spaces around pipes, electric cables, conduits or
other openings in plates at exterior walls shall be protected against
the passage of rodents by closing such openings with cement mortar,
concrete masonry or similar method acceptable to the enforcing
agency.
Water Resistance and Moisture Management
A4.407.1Install foundation and landscape drains.
A4.407.2Install gutter and downspout systems to route water at least
5 feet away from the foundation or connect to landscape drains which
discharge to a dry well, sump, bioswale, rainwater capture system or
other approved on-site location.
A4.407.3 Provide flashing details on the building plans and comply
with accepted industry standards or manufacturer’s instructions.
A4.407.4 Protect building materials delivered to the construction site
from rain and other sources of moisture.
A4.407.5In Climate Zone 16 an ice/water barrier is installed at roof
valleys, eaves and wall to roof intersections.
A4.407.6Exterior doors to the dwelling are protected to prevent
water intrusion.
A4.407.7 A permanent overhang or awning at least 2 feet in depth is
provided.

continued

Copyright © 2022 by, or licensed to, International Code Council, Inc. (ALL RIGHTS RESERVED); licensed to California Building Standards Commission pursuant to License Agreement. No further reproductions is authorized. Any unauthorized reproduction or distribution is a violation of the federal copyright act and the license agreement, and subject to civil and criminal penalties thereunder.

APPENDIX A4—RESIDENTIAL VOLUNTARY MEASURES

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▸Contents — California Green Building Standards Code (Title 24, Part 11)
California Green Building Standards Code (Title 24, Part 11)
  1. Chapter 1 — ADMINISTRATION
  2. Chapter 2 — DEFINITIONS
  3. Chapter 3 — GREEN BUILDING
  4. Chapter 4 — RESIDENTIAL MANDATORY MEASURES
  5. Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
  6. Chapter 6 — REFERENCED ORGANIZATIONS AND STANDARDS
  7. Chapter 7 — INSTALLER AND SPECIAL INSPECTOR QUALIFICATIONS
  8. Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
  9. ▸Appendix A4
    Overview
    1. Section A4.101
    2. Section A4.102
    3. Section A4.103
    4. Section A4.104
    5. Section A4.105
    6. Section A4.106
    7. Section A4.107
    8. Section A4.108
    9. Section A4.201
    10. Section A4.202
    11. Section A4.203
    12. Section A4.301
    13. Section A4.302
    14. Section A4.303
    15. Section A4.304
    16. Section A4.305
    17. Section A4.306
    18. Section A4.401
    19. Section A4.402
    20. Section A4.403
    21. Section A4.404
    22. Section A4.405
    23. Section A4.406
    24. Section A4.407
    25. Section A4.408
    26. Section A4.409
    27. Section A4.410
    28. Section A4.411
    29. Section A4.501
    30. Section A4.502
    31. Section A4.503
    32. Section A4.504
    33. Section A4.505
    34. Section A4.506
    35. Section A4.507
    36. Section A4.508
    37. Section A4.509
    38. Section A4.601
    39. Section A4.602
    40. Section A4.602
    41. Section A4.602
    42. Section A4.602
    43. Section A4.602
    44. Section A4.602
    45. Section A4.602
    46. Section A4.602
    47. Section A4.602
    48. Section A4.602
  10. Appendix A5

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