Edwin Philip Schreier, 81, an architect who designed a number of churches, schools and other projects for the Archdiocese of Washington and a former president of the Washington Chapter of the American Institute of Architects, died of congestive heart failure May 6 at Suburban Hospital.

Mr. Schreier, a resident of Chevy Chase, was born in Blackstone, Mass. He came to Washington in the early 1920s as a student at Catholic University, where he graduated in 1927 with a degree in architecture. His established his own practice and continued it until 1978, when he retired.

Early in his career, he specialized in residential properties and also did some commercial work. For the last 30 years, most of his practice was for the archdiocese. It included the Carroll Manor Home for the Aged and St. Ann's Infant and Maternity Home, both in Hyattsville; La Reine High School and St. Bernadine's Catholic Church, both in Suitland; St. Philip's Catholic Church in Camp Springs; St. Margaret's School and Convent in Seat Pleasant, and additions to Annunciation Catholic Church in Washington.

Mr. Schreier also designed the Kennedy Institute for Exceptional Children.

He was a member of the American Institute of Architects, the Liturgical Sacred Arts Commission of the Washington Archdiocese, the John Carroll Society, the Cosmos Club, and the Shrine of the Blessed Sacrament Catholic Church.

His wife, the former Margaret Mary Brown, whom he married in 1931, died in 1980. Survivors include four children, Mary Anne O'Donnell of Bethesda, Edwin Philip Schreier Jr. of Crofton, Md., Margaret S. Mooney of Norbeck, Md., and Thomasine B. Schreier of Chevy Chase, and 14 grandchildren.