Frank J. Barley, 75, a retired official of the U.S. Civil Service Commission who later was board chairman of the Barley Mortgage Co., died of congestive heart failure Tuesday at the home of a son in California, Md.

Mr. Barley joined the Civil Service Commission as a personnel officer in 1944.He was assistant chief of the inspection division from 1948 to 1949 and was division chief from 1949 to 1953. He then was director of the commission's bureau of inspection and employe relations until retiring in 1961.

After leaving government, he moved to California, Md. He practiced law in Leonardtown and became board chairman of the Barley Mortgage Co., which has offices in California and Waldorf.

He was a former president of the Heart Association of Southern Maryland and was a trustee of the Saint Mary's Home for the Elderly. He had been a first senior warden of the Episcopal Church of the Ascension in Warden Park, Md.

Mr. Barley was a native of Illinois and a graduate of Illinois Wesleyan University. He came to Washington in the late 1920s and worked for the Home Owners Loan Corp. and earned a law degree at George Washington University. For three years before joining the Civil Service Commission, he was an administrative officer with old War Production Board. c

His wife, the former Evelyn Mildred Esch, died in 1976. Survivors include two sons, Dr. Martin A., of California, and Warren E., of LaPlata, and five grandchildren.