Eugene W. Zimmerman, 66, a former Alexandria vice mayor and member of the City Council who had owned and operated an electrical contracting firm there since 1947, died Aug. 3 at his home in Alexandria after a heart attack.

Mr. Zimmerman served on the City Council from 1961 to 1970, and was vice mayor from 1961 until 1964 and again from 1967 until 1970.

He was a past president of the Alexandria Rotary Club, the Alexandria Chamber of Commerce and the Alexandria Contractors Association. He was a volunteer with the Heart Fund and American Cancer Society and a member of St. Paul's Episcopal Church in Alexandria.

Mr. Zimmerman was a native of Great Barrington, Mass., and a graduate of the Pratt Institute in New York City. He moved to Washington in the early 1940s, and was an electrical engineer with General Electric Co. before establishing the Eugene W. Zimmerman Co.

His first marriage, to Sue Zimmerman, ended in divorce. His second wife, Marion Zimmerman, died in 1955. His third wife, Sarah Jane Glover, died in 1973.

Survivors include his wife, Sara, of Alexandria; two children by his first marriage, Eugene Jr. of Vienna and Barbara Black of Long Island, N.Y.; a son by his second marriage, Martyn of Alexandria; four stepchildren, Janette Coley of Arkansas, Ellet Cabell of Italy, Robert Simmons and Ann Hepburn, both of Alexandria; four brothers, two sisters, and six grandchildren.