For a discussion. of the related concepts of entrepreneurial incentive, developerâs profit, contractorâs profit, profit, and project profit, see Appraisal Institute, The Appraisal of Real Estate, 13th ed.
According to the Fire Protection Research Organization's 2009 Fire Sprinkler Cost Assessment, sprinkler installation costs homebuilders $0.38-$3.66 per sprinklered square foot, with an average cost of $1.61 per sprinklered square foot. For an average 2,200-square-foot home, expect to pay about $3,542.
Cost Comparisons. The cost to install a new sprinkler system commonly ranges from $500 to $1,000 per zone. Your watering needs and the layout of the system can make a considerable difference in price; see how a few differences affect an installation in a 5,000 square foot yard. Off to a Good Start: $2,500 - $3,800.