Robert W. Bridges, 62, a Rockville realtor who served as president of the Montgomery County Board of Realtors in 1969-70 and again in 1977, died Tuesday at Suburban Hospital in Bethesda after suffering a stroke and a heart attack.

In 1962, he established his own firm, Robert W. Bridges Inc., which specializes in appraisals and property management.

Since 1970, Mr. Bridges had taught a real estate course required for licensing in Maryland, which has been conducted at Montgomery College in Rockville.

Over the years, he had served on numerous committees of the Montgomery County Board of Realtors. The board named him "Realtor of the Year" in 1971. He also had been a regional vice president of the Realtors National Marketing Institute and director of the Maryland Association of Realtors.

Mr. Bridges was born in Bloomington, Ind. He earned a degree in journalism from Indiana University.

He came to Washington in 1940 to work in the advertising department of the old Washington Daily News. A year later, he joined the real estate advertising section of The Washington Post.

In 1943, he became a real estate salesman with the firm of C. Allen Sherwin. He rejoined that firm in 1947 after serving with the Army in World War II. Mr. Bridges later worked with several other firms before establishing his own company.

Mr. Bridges was a former president of the Rockville Lions Club, a director of the Rockville Chamber of Commerce and a member of the Rockville Rotary Club. He had been on the advisory board of directors of the Citizens Building and Loan Association. He belonged to the Rockville United Methodist Church.

His is survived by his wife, Ann, of the home in Tantalion; two daughters, Betsy Lawrence, of Gaithersburg, and Ellen Freeman, of Phoenix, Ariz.; fourstepchildren, Donna Johnson, of Gaithersburg, Linda Duncan, of Alexandria, Gail Duncan of Gaithersburg, and John Duncan of Washington, and four grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Montgomery County Heart Association, or to the Cancer Memorial Fund of Montgomery County.