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.
1 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.elated articles: Deck, Landscape Design, Sod. 1  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.