Paul R. Hysan, 53, a steamfitter and a lifelong resident of the Washington area, died of cancer Sunday at the Washington Adventist Hospital in Takoma Park.

Mr. Hysan was born in Washington. He grew up in Mount Rainier and graduated from Mount Rainier High School. He served in the Pacific in the Navy during World War II.

In 1946, Mr. Hysan went to work for the Daniel Buckley plumbing and heating became a steamfitter and worked on numerous major construction projects, including the Calvert Cliffs nuclear power plant, a new addition to the Walter Reed Army Medical Center and the new Soviet Embassy. He had been a foreman since the mid-1960s and firms for which he worked included the Bechtel Corp., Federal Sheet Metal and the John R. Wilson company.

Mr. Hysan was a member of steamfitters Local No. 602. He also was a member of the Knights of Columbus Council No. 2809.

Survivors include his wife, Rita E., of Mitchellville, Md., where Mr. Hysan lived; four daughters, Diane Hysan, of Clarksburg, Md., Barbara Ann Bentley, of Hyattsville, Sue Anne Horning, of Cheverly, and Joann E. Sutton, of Mitchellville; his father and stepmother, Paul R. Sr. and Catherine M. Hysan, of Bowie; one brother, Daniel L., of Tracy's Landing, Md., and one adopted brother, Donald A. Peppi, of Beltsville, and five granddaughters.

The family suggests that expressions of sympathy be in the form of contributions to a charity of one's choice.