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 A complete sprinkler system for new construction generally costs $1 to $2 per square foot including all equipment and installation. 2  Retrofitting an existing building is more expensive-usually about $2 to $7 per square foot.hereâs no doubt about it. The National Fire Protection Association reports that no more not many are injured due to fire or smoke in a fully sprinklered building when the system is operating properly. Fire alarm sprinkler systems also prevent property damage.