The typical cost for an irrigation system ranges from $1,759 to $3,350. The cost to winterize or activate a sprinkler system ranges from $52 and $111, or $81 on average. According to Homeadvisor.com, based on actual project costs as reported by 6,030 HomeAdvisor members, the national average for ¼ acre residential lawn sprinkler system was $2455. General cost for having a sprinkler system installed professionally on 1 acre of land. It needs to be winterized at the end of the season in freezing climates and started again in the spring, but there is little maintenance or attention required during the watering season. The average cost of a lawn sprinkler system is $3,160 for a professionally installed irrigation system capable of irrigating a quarter acre of yard, or roughly 10,000 square feet of lawn area. To keep your sprinkler system working properly, it must receive regular maintenance from a professional plumber. Thanks Arkie western arkansas. $.42 – .60 cents/sqft. How much a sprinkler system should cost. Many factors go into the cost of sprinkler system installation, including permits and hiring a contractor versus doing it yourself. Cost. For a basic project in zip code 47474 with 500 square feet, the cost to Install a Lawn Irrigation System starts at $1.55 - $2.45 per square foot*. Average costs and comments from CostHelper's team of professional journalists and community of users. Lawn Sprinkler Costs Outdoor Cost Guides Lawn Care & Gardening Lawn Sprinkler Costs A lawn sprinkler irrigation system helps keep your lawn or garden in its best condition by assuring that water is delivered where and when it is needed, even automatically. Lawn Sprinkler System Removal Costs. I have a well for this use and figure on watering 1 area at a time. Average DIY (5000 sqft) $475 Average Pro (5000 sqft) $3,160. Low End DIY. An inground, programmed/automated lawn sprinkler system is the clear choice for convenience. Reply. Can you advise me? I can use 3 different pipes 3/4″ are 1″ pvc, each for 1 area. Using 120* sprinklers, that will water the full 25′. The cost range is about $0.42 to $0.60 cents per square foot. The costs ranges from $1745-$3394 but the entire spectrum ranged from $475-$4800. At the lower end of the scale, the cost is $500, and the high end is $4,600. If you’re redoing the entire yard and want to remove your lawn sprinkler system you can expect to pay a pro $40–$85 per hour. Maintenance during the irrigation season averages about $115 , on top of these expenses. With a psi of 50to60 psi. Some pros recommend to cut off the system, remove the heads, and leave the pipes in place if it doesn't interfere with any other landscaping plans. Typical Range. jamil March 10, 2012 at 12:45 am.