SUMMERLIN LAS VEGAS >> RIDGEBROOK AT SUMMERLIN >> Southstar at Ridgebrook Southstar at Ridgebrook Southstar at Ridgebrook is a neighborhood within the master-planned community of Summerlin in Las Vegas, NV in zip code 89135. Developed by RS Development, Southstar at Ridgebrook consists of 115 single family homes with floor plans ranging from 1,553 SF – 2,050 […]