how much does a lawn underground sprinkler system cost
Sprinkler System Cost. Prices for underground sprinkler systems vary considerably by region and climate, but for an average 2,500-square-foot (50-x-50-foot) front yard, it's about $1,500-$2,500, while a sprinkler system for 5,000 square feet (front and back yards) costs about$2,500-$3,500.