Section A4.108
California Green Building Standards Code (Title 24, Part 11) · 2022 edition · updated 2026-09-12 · California
INNOVATIVE CONCEPTS AND LOCAL
ENVIRONMENTAL CONDITIONS A4.108.1 Innovative concepts and local environmental conditions. The provisions of this code are not intended to prevent the use of any alternate material, appliance, installation, device, arrangement, method, design or method of construction not specifically prescribed by this code. This code does not limit the authority of city, county, or city and county government to make necessary changes to the provisions contained in this code pursuant to Section 101.7.1.
EV Chargers for projects with 20 or more dwelling units, sleeping units or guest rooms. Ten (10) percent of the total number of parking spaces shall be equipped with Level 2 EVSE. Where common use parking is provided, at least one EV charger shall be located in the common use parking area and shall be available for use by all residents or guests.
Tier 2.
EV Ready. Forty (40) percent of the total number of parking spaces shall be equipped with low power Level 2 EV charging receptacles. For multifamily parking facilities, no more than one receptacle is required per dwelling unit when more than one parking space is provided for use by a single dwelling unit.
Exception: Areas of parking facilities served by parking lifts.
EV Chargers for projects with 20 or more dwelling units, sleeping units or guest rooms. Fifteen (15) percent of the total number of parking spaces shall be equipped with Level 2 EVSE. Where common use parking is provided, at least one EV charger shall be located in the common use parking area and shall be available for use by all residents or guests. A4.106.8.2.2 Technical requirements. The EV spaces required by Section A4.106.8.2 shall be designed and constructed in accordance with Sections 4.106.4.2, 4.106.4.2.1 (Notes), 4.106.4.2.2 (Notes), 4.106.4.2.2.1.1, 4.106.4.2.2.1.2, 4.106.4.2.2.1.3, 4.106.4.2.3, 4.106.4.2.4 and 4.106.4.2.5. A4.106.9 Bicycle parking. Comply with Sections A4.106.9.1 through A4.106.9.3 or meet a local ordinance, whichever is more stringent.
Exception: Number of bicycle parking spaces shall be permitted to be reduced, as approved by the enforcing agency, due to building site characteristics, including but not limited to, isolation from other development.
A4.106.9.1 Short-term bicycle parking. Provide permanently anchored bicycle racks within 100 feet of the visitor’s entrance, readily visible to passers-by, for 5 percent of visitor motorized vehicle parking capacity with a minimum of one two-bike capacity rack.
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
required in the Compliance Software for minimum performance-based compliance with the California Energy Code by the compliance margin specified in Table A4.203.1.1. The rating shall be included in the Certificate of Compliance documentation.
TABLE A4.203.1.1 RECOMMENDED EDR1 MARGINS BY CLIMATE ZONES
| CALIFORNIA ENERGY CODE CLIMATE ZONE |
EDR1 COMPLIANCE MARGIN |
|---|---|
| 1 | 4.3 |
| 2 | 4.4 |
| 3 | 6.0 |
| 4 | 5.8 |
| 5 | 5.8 |
| 6 | 3.5 |
| 7 | 2.9 |
| 8 | 2.1 |
| 9 | 3.6 |
| 10 | 6.5 |
| 11 | 4.3 |
| 12 | 4.4 |
| 13 | 4.9 |
| 14 | 5.8 |
| 15 | 1.8 |
| 16 | 4.3 |
Note: Community shared options complying with Title 24, Part 1, Section 10-115 may be used to achieve EDR1 targets.
A4.203.1.2 Prerequisite options. In addition, a minimum of TWO of the efficiency measures specified in Sections A4.203.1.2.1 through A4.203.1.2.8 will be required to be met.
A4.203.1.2.1 Roof deck insulation, or ducts in condi- tioned space. Meet one of the three options for the location of ducts and air handlers as well as insulation R -values and installation of a radiant barrier as specified in Title 24, Part 6, Section 150.1(c)9A or B:
Below roof deck insulation with a minimum R value of 19; or,
Continuous above deck insulation with a minimum R-8 and with an air space present between the roofing and the roof deck; or,
All ducts and air handlers in conditioned space as specified in the Title 24, Part 6, Reference Appendix RA3.1.
A4.203.1.2.2 High performance walls. Meet the climate zone dependent U -factor or insulation R -value for either 2x6 or 2x4 framing as specified in Title 24, Part 6, Section 150.1(c)1B: maximum U -factor of 0.048.
Division A4.2 – ENERGY EFFICIENCY
Get a plain-English answer with a citation back to this text.
Ask AI about this code▸Contents — California Green Building Standards Code (Title 24, Part 11)
- Chapter 1 — ADMINISTRATION
- Chapter 2 — DEFINITIONS
- Chapter 3 — GREEN BUILDING
- Chapter 4 — RESIDENTIAL MANDATORY MEASURES
- Chapter 5 — NONRESIDENTIAL MANDATORY MEASURES
- Chapter 6 — REFERENCED ORGANIZATIONS AND STANDARDS
- Chapter 7 — INSTALLER AND SPECIAL INSPECTOR QUALIFICATIONS
- Chapter 8 — COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL
▸Appendix A4
Overview- Section A4.101
- Section A4.102
- Section A4.103
- Section A4.104
- Section A4.105
- Section A4.106
- Section A4.107
- Section A4.108
- Section A4.201
- Section A4.202
- Section A4.203
- Section A4.301
- Section A4.302
- Section A4.303
- Section A4.304
- Section A4.305
- Section A4.306
- Section A4.401
- Section A4.402
- Section A4.403
- Section A4.404
- Section A4.405
- Section A4.406
- Section A4.407
- Section A4.408
- Section A4.409
- Section A4.410
- Section A4.411
- Section A4.501
- Section A4.502
- Section A4.503
- Section A4.504
- Section A4.505
- Section A4.506
- Section A4.507
- Section A4.508
- Section A4.509
- Section A4.601
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Section A4.602
- Appendix A5