18944.56.
(a) On or before July 1, 2009, the Department of Housing and Community Development shall develop green building standards for residential occupancies and submit them to the commission for review, adoption, approval, and publication.(b) The green building standards developed pursuant to this section shall include, but not be limited to, all of the following:
(1) Energy efficiency, conservation, or renewable generation measures.
(2) Water efficiency, conservation, and reuse measures.
(3) Materials and resources efficiency, conservation, and reuse measures.
(4) Indoor environmental quality measures, including indoor air quality.
(5) Innovation and design process.
(6) Nonmotorized or public transportation.
(7) A method for determining life-cycle cost, including evaluating the relative effectiveness, cost, and life-cycle savings, if any, by the use of the individual or multiple green building measures specified in paragraphs (1) to (6), inclusive.
(c) To develop the green building standards pursuant to this section, the Department of Housing and Community Development shall coordinate a working group consisting of a multiagency effort, including, but not limited to, all of the following state entities:
(1) The California Environmental Protection Agency.
(2) The California Integrated Waste Management Board.
(3) The State Energy Resources Conservation and Development Commission.
(4) The State Air Resources Board.
(5) The Department of Water Resources.
(6) The Department of Housing and Community Development.
(7) The Department of General Services.
(8) The commission.
(9) The Office of the State Fire Marshal.
(d) The Department of Housing and Community Development and each state entity specified in subdivision (c) shall also consult with representatives from each of the following:
(1) The building design and construction industry.
(2) Recognized environmental and housing consumer advocacy groups.
(3) Interested local government entities.
(4) Interested public parties.
(e) Each state entity specified in subdivision (c) shall take the lead in developing recommendations for green building standards related to its particular area of expertise and may also review and comment on proposed recommendations from other state entities in order to ensure consistency with the missions, standards, and regulations of its own entity. After the Department of Housing and Community Development coordinates and considers the separate green building standards recommended by the other state entities, the Department of Housing and Community Development shall develop a set of residential green building standards and propose those green building standards to the commission.
(f) In developing and adopting green building standards pursuant to this chapter, all entities involved shall consider those aspects of existing relevant guidelines that maximize the measures and methods identified in subdivision (b). The Department of Housing and Community Development, in consultation with the commission, shall request the appropriate state entities listed in subdivision (c) to identify the relevant green building guidelines that further the purposes of this chapter, which shall include, but not be limited to, all of the following as long as they are in effect:
(1) The United States Green Building Council’s Leadership in Energy and Environmental Design (LEED) for Homes rating system.
(2) The Build It Green “New Home Construction Green Building Guidelines.”
(3) The EarthCraft House program of Atlanta, Georgia.
(4) The Built Green program of the Seattle Master Builders.
(5) The Model Green Home Building Guidelines of the National Association of Home Builders (NAHB).
(g) To the extent feasible as allowed by existing resources, the Department of Housing and Community Development and the commission may develop educational and technical assistance programs to inform local entities of the benefits of green building, and encourage the use of green building practices for residential occupancies, as well as establish ongoing education and training programs for local code enforcement officials, designers, and builders on the subject of green building standards.
(h) On or before July 1, 2010, the commission shall publish approved green building standards in accordance with Section 18944.60 and, to the extent practicable, shall schedule that publication to coincide with the publication of the California Building Standards Code.
(i) The Department of Housing and Community Development shall not propose changes more than once per calendar year, and, to the extent practicable, shall coincide those changes with the review of the California Building Standards Code.
(j) Those entities specified in subdivision (c) with expertise related to green building as identified in subdivision (e) may submit to the Department of Housing and Community Development proposed changes to building standards developed pursuant to subdivision (b) of Section 18944.54 and this section, related to their area of expertise. The proposed building standards shall not reduce the environmental benefits, environmental efficiencies, or public health protections that would have been achieved by the existing standards. The commission shall consult with appropriate agencies and departments on the proposed changes prior to adoption.
(k) The commission may include in an appendix or as a separate green building document or some combination thereof, voluntary building standards or other related documents and materials that are not appropriate for a mandate in the California Building Standards Code.
(l) This section does not prohibit, limit, or supersede other green building standards developed pursuant to existing authority.