It was one of the most successful films produced by an independent studio at the time and was the most profitable AIP release since The Born Losers ( 1968 ) .
The Amityville Horror premiered in the United States on July 27 , 1979 .
The Amityville Horror was one of the most successful films produced by an independent studio at the time and was the most profitable AIP release since The Born Losers ( 1968 ) .
The Amityville Horror premiered in the United States on July 27 , 1979 .