SAN FRANCISCO--(BUSINESS WIRE)--Fitch Ratings assigns an 'AA-' rating to the following City and County of San Francisco, California (the city) certificates of participation (COPs): --$110 million COPs (War Memorial Veteran's Building Seismic Upgrade and Improvements), series 2015A; --$25 million COPs (War Memorial Veteran's Building Seismic Upgrade and Improvements), series 2015B (federally taxable). Proceeds will be used to make seismic and other improvements to the War Memorial Veteran's Buil