...S&P Global Ratings assigned its '###' long-term rating to King County, Wash.'s expected $18.4 million series 2021 unlimited-tax general obligation (GO) bonds, expected $29.9 million series 2021B limited-tax GO refunding bonds, and expected $525.9 million series 2021C taxable GO bonds. The outlook is stable. The county will have about $5.4 billion in direct debt outstanding at the end of 2021 excluding planned-but-unissued debt, and after our adjustments for revenue-supported debt and GO debt we consider self-supporting we calculate the county's net direct governmental debt at $1.4 billion. Proceeds of the series 2021 will fund capital improvements to the county's main public medical facility. Proceeds of the series 2021B will refund for interest expense savings previously issued GO bonds that funded capital improvements. Series 2021C will fund a variety of county capital projects, with a focus on affordable housing and transit-oriented development. The series 2021, series 2021B, and series...