The Heidelberg Project said Tuesday it had finished installing a solar-powered security system.
In the past year, the art installation in Detroit has been hit by several arsons that have claimed six houses.
In a statement, the project said the new surveillance system has at least 10 cameras, a centralized DVR with remote monitoring and solar panel streetlights.
Tyree Guyton founded the project in 1986 as a response to urban decay. The sculpture park mixes vacant houses and empty yards with artistic themes.
Timeline of Heidelberg House fires
May 3, 2013 - "Obstruction of Justice"
November 12, 2013 - "House of Soul"
November 21, 2013 - "The Penny House"
November 28, 2013 - "War House"
December 8, 2013 - "Clock House"
March 2014 - "Animal House"