...S&P Global Ratings assigned the following ratings to new issues of San Francisco City and County: + '###' long-term rating to the $256 million series 2020C taxable general obligation (GO) bonds (social bonds--affordable housing, election of 2019), the proceeds of which will be used to fund affordable housing projects within the city; + '###' long-term rating to the $114 million series 2020D-1 and $13 million series 2020D-2 (taxable) GO bonds (public health and safety, election of 2016), the proceeds of which will be used to improve the city's main public hospital's seismic resilience, renovate and expand public health facilities, and renovate ambulance and fire department deployment facilities; + '###' long-term rating to the $103 million series 2020F GO bonds (affordable housing--preservation and seismic safety, election of 2016), the proceeds of which will be used to purchase existing buildings to improve and convert them to permanent affordable housing; + '##+' long-term rating to the...