Cal. Pub. Res. Code § 21080.27
(a) For purposes of this section, the following definitions apply:
(2) “Affordable housing” means a housing development project that meets all of the following:
(C) The project is funded, in whole or in part, by any of the following:
(D) The housing development project site meets both of the following conditions:
(E) The housing development project site is not any of the following:
(iv) A hazardous waste site that is listed pursuant to Section 65962.5 of the Government Code or a hazardous waste site designated by the Department of Toxic Substances Control pursuant to Section 25356 of the Health and Safety Code, unless either of the following apply:
(v) A site located within a special flood hazard area subject to inundation by the 1 percent annual chance flood (100-year flood) as determined by the Federal Emergency Management Agency in any official maps published by the Federal Emergency Management Agency. If a development proponent is able to satisfy all applicable federal qualifying criteria in order to provide that the site satisfies this clause and is otherwise eligible for an exemption under this section, a local government shall not deny the application on the basis that the development proponent did not comply with any additional permit requirement, standard, or action adopted by that local government that is applicable to that site. A development may be located on a site described in this clause if either of the following are met:
(4) “Eligible public agency” means any of the following:
(6) “Low barrier navigation center” means a low barrier navigation center, as defined in subdivision (a) of Section 65660 of the Government Code, that is funded in whole or in part by any of the following:
(8) “Supportive housing” means supportive housing, as defined in Section 50675.14 of the Health and Safety Code, that meets the eligibility requirements of Article 11 (commencing with Section 65650) of Chapter 3 of Division 1 of Title 7 of the Government Code or the eligibility requirements for qualified supportive housing or qualified permanent supportive housing set forth in City of Los Angeles Ordinance No. 185,489 or 185,492, and that is funded, in whole or in part, by any of the following:
(9) “Transitional housing projects for youth and young adults” means buildings configured as rental housing developments for youth and young adults, but operated under program requirements that require the termination of assistance and recirculating of the assisted unit to another eligible program recipient at a predetermined future point in time that shall be no less than six months from the beginning of the assistance, or as defined in Section 65582 of the Government Code, and that is funded, in whole or in part, by any of the following:
(b) Subject to subdivision (e), this division does not apply to any of the following activities undertaken by the City of Los Angeles within the City of Los Angeles:
(c) Subject to subdivision (e), this division does not apply to any of the following activities undertaken by the County of Los Angeles within the unincorporated areas of the County of Los Angeles or parcels owned by the County of Los Angeles within the City of Los Angeles:
(d) Subject to subdivision (e), this division does not apply to any of the following activities undertaken by an eligible public agency in the City of Los Angeles or within the unincorporated areas of the County of Los Angeles:
(e)
(1)
(A) For an affordable housing project, low barrier navigation center, supportive housing project, or transition housing project for youth and young adults, that is not in its entirety a public work for purposes of Chapter 1 (commencing with Section 1720) of Part 7 of Division 2 of the Labor Code, this section applies only if the project sponsor certifies to the lead agency that all of the following will be met for any construction or rehabilitation work:
(iii) All contractors and subcontractors for those portions of the project that are not a public work comply with both of the following:
(B)
(i) The obligation of the contractors and subcontractors to pay prevailing wages pursuant to subparagraph (A) may be enforced by any of the following: