S&P Global Ratings assigned its 'AA+/A-1+' rating to Colorado Housing&Finance Authority's (CHFA) series 2021 I single-family mortgage class II adjustable rate bonds. The outlook is stable. The class II 2021 series I adjustable rate bonds are being offered with the authority's class I fixed rate single family mortgage rate bonds, series G, H,&J, which we rated separately on July 9, 2021. For more information on CHFA and the single-family mortgage 2021 series G, H, I,&J bonds, see the analysis, published July 9, 2021, on RatingsDirect. The series 2021 I class II bonds are being issues as special obligations of the authority, payable solely from the revenues, assets, and money pledged under the master indenture