S&P Global Ratings assesses California Housing Finance Agency?s Impact Framework as aligned with Social Bond Principles, ICMA, 2023;Green Bond Principles, ICMA, 2021 (with June 2022 Appendix 1); Sustainability Bond Guidelines ICMA, 2021. CalHFA is a state agency established in 1975 that provides financing and programs that help low-and moderate-income individuals and families throughout the state access affordable housing, both as homebuyers and renters.