Cory's Lawn Service Share: Lawn/Landscaping Cory's Lawn Service 1409 Belmont Park Ave North Sioux City, SD 57049 (712) 490-0452 Hours: Monday - Friday 8am-5pm About Map About Commercial and residential lawn maintenance. Weekly mowing, shrub trimming, flowerbed maintenance, power raking, aerating. Also doing lawn fertilizing and weed spraying. What's Nearby? Distance: 5 10 15 20 25 50 mi.