A new research survey from RealtyTrac states that 71% of single-family homes in the United States were constructed before the year 1990. 5 years ago when the housing market struggle began, home construction came to a halt, cutting the percentage of new home construction by more than 40%. Home builders began to focus on multi-family housing. The vice president of RealtyTrac, Daren Blomquist said, “Wall Street-backed money has scooped up newer homes to use as rental properties.” More here