East Renton Highlands is part of the potential annexation area ( PAA ) ( 1 ) of Renton .
In February 2007 voters defeated a 1,475 - acre ( 5.97 km ) annexation proposal 3 to 1 .
East Renton Highlands is part of the potential annexation area ( PAA ) ( 1 ) of Renton , but in February 2007 voters defeated a 1,475 - acre ( 5.97 km ) annexation proposal 3 to 1 .