The 60-unit; 50-year-old 4700 Connecticut Avenue apartment building has been sold to the LTH Partnership, of which A.L. Hutton is a principal, for about $850,000. William P. Norman of Pollin-Norman Associates, Inc., which handled the transaction, said the seller was Atlantic Building Corp. Norman said that the fully leased building will be managed by this firm and that it will continue to be a rental building. He added that a "hardship" rent increase is being sought under D.C. rent control provisions.

George M. Carpenter has retired as executive vice president of Frank S. Phillips, Inc., a mortgage banking and realty firm with which he had been asociated since 1935. For a time he was the only employee of the founder, the late Frank H. Philips. Carpenter will continue as an affiliated broker with the firm and as director emeritus. Framk W. Yount, who has been with the firm since 1947, succeeds Carpenter as executive vice president.

Miller and Smith, Inc., builders of the new Ashleigh community on Route 50 in Fairfax, Va., has encouraged Ashleigh residents to display their electric bills in the sales office. Each month a drawing is held and the bill of the winner is reimbursed by builder. A spokesman said that November bills averaged $45 and December, $55.

The new firm of Curtis F. Peterson, of Columbia, Md., called St. Charles Homes has broken ground for four models in the Bannister neighborhood of St. Charles, the new town in Charles County, Md. The new houses will be priced in the mid-$40,000s and Long & Foster will handle sales.

The Young Mortgage Bankers will sponsor a dinner meeting Feb. 3 at the Holiday Inn at Tysons Corner. Oliver H. Jones, executive vice president of the Mortgage Bankers Association of America, will be the speaker.

The 11-year-old Township Realty Co. in Falls Church has affiliated with Century 21 national franchise program and has changed its name to Century 21 Allstar Realty, according to Roger Koger who bought the firm last September. The firm has 19 licensed agents.

Charles R. (Rick) Wolfe, chairman of the Maryland Real Estate Commission and head of Wolfe, Matan & Sheeban Realty, has been named chairman of the board of directors of the National Association of Real Eestate License Law Officials.Wolfe also heads a committee seeking a replacement for Robert W. Semenow, nationally known real estate writer who has served as executive vice president of the NARELLO since its founding 48 years ago.

Appraiser Anthony Reynolds of Washington has been named to the governing council of the American Institute of Real Estate Appraisers. And William S. Harps, new president of the Washington Board of Realtors, has been named chief examiner of the board of examiners of demonstration reports of the AIREA.

The Professional Grounds Maintenance Society has awarded Fairmac Realty Corp. an honor award for excellence in grounds' care at Fairlington Villages in South Arlington.

James B. Cunningham, head of Heritage Properties, Inc., of Bethesda, and Richard E. Smith, head of Regent Realty in Falls Church, have been designated Certified Marketing Management Brokers by the Realtors National Marketing Institute.

George G. Potts, 39, a former aide to two members of Congress, has been named director of public affairs for the American Land Development Association, based here. He - had been a consumer and media affairs consultant for ALDA.