Arnold J. McKee, 80, a former home builder and retired engineering consultant, died of a heart attack Oct. 26 at Georgetown University Hospital. He lived in Washington and Berkeley Springs, W.Va.

Mr. McKee was a native of Philadelphia and a graduate of the foreign service school at Georgetown. He was a civilian test pilot and then a pilot in the Army Air Forces during World War II.

He ran the family business, McKee Pontiac in Washington, after the war and then bought land at Manor Country Club and built houses. He also was a canoe importer and head of the Washington office of the Lyon Associates engineering firm. In recent years, he headed his own consulting firm.

Mr. McKee raised black angus cattle at his farm in Berkeley Springs.

He was a member of the University and International clubs and the Veterans of Foreign Wars.

His marriage to Margaret Moulton McKee ended in divorce.

Survivors include his wife, Bette Doyle McKee of Washington and Berkeley Springs; four children from his first marriage, James McKee of Charleston, S.C., Robert McKee of Camden, Maine, and Margaret Ann Brown and Virginia Deering, both of Bangor, Maine; a brother; three sisters; 14 grandchildren; and 10 great-grandchildren.

A son from his first marriage, Richard McKee, died this year.