S&P Global Ratings assigned its 'AA+' rating to Massachusetts Housing Finance Agency 's (MassHousing) approximately $97.2 million series 249 and 250 single-family housing revenue bonds (SFHRBs), and assigned its ?AA+/A-1+? dual rating to the agency?s $50 million series 251 SFHRBs within the agency's SFHRB program. At the same time, S&P Global Ratings affirmed its 'AA+' long-term rating and 'AA+/A-1' and ?AA+/A-1+? dual ratings on MassHousing?s previously issued debt within the agency?s SFHRB program. The outlook is stable. Bonds issued within the SFHRB program are special obligations of MassHousing, secured solely by certain revenue and funds established under this program for security and payment. These bonds are on parity with all other obligations under this program. The dual ratings reflect the