New houses often offer better prices and financing to prospective buyers, a real estate expert said. Home values in the United States increased last month, and prices are expected to continue rising next year amid high mortgage rates, according to the real estate brokerage Redfin. The biggest gains were recorded in Nassau County, New York (1.6 percent), followed by Charlotte, North Carolina (1.4 percent), and Minneapolis, Minnesota (1.3 percent). “On a year-over-year basis, home prices rose 5.7...