George M. Brady Jr. president of the National Corp. for Housing Partnerships, has been named also to the post of chief executive officer, effective May 1. He succeeds George W. DeFranceaux, who requested the change. DeFranceaux plans to continue as chairman into 1983. The Washington-based NCHP provides equity capital and expertise for the development of housing.

The Student Loan Marketing Association has leased 100,000 square feet of office space in Georgetown Plaza at 1050 Thomas Jefferson St. NW. Coldwell Banker handled the transaction.

Harry Sindell, formerly with the Insurance Co. of North America, has joined the claims department of the Home Owners Warranty Corp. as senior director. The home-buyer protection plan is a subsidiary of the National Association of Home Builders.

Scuderi Brothers recently sold a 45,000-square-foot building at West Street and Rainswood Drive in Landover to Equity Pike Associates for $750,000.

David C. Smith, a homebuilder in the Gaithersburg area, has been elected a national vice president of the National Association of Home Builders.

A two-day workshop on various aspects of home building will be held Friday and Saturday on the Loudoun campus of Northern Virginia Community College. General contractor Randy DeHart will supervise the workshop, which is designed for persons planning to build their own homes or act as their own general contractor. The fee is $20. For information, call 777-1056, ext. 4551.

The five-story CENTEC building has been topped off at 11260 Roger Bacon Dr., Reston. Summer occupancy is planned for the structure designed by Cross and Adreon for a group of developing investors. Karl Ingebritsen of Wellborn Management is handling leasing.

Kimberly Woods Village, a new community of 162 town houses will be opened soon on College Parkway, east of Rte. 2 on the Broadneck peninsula of Anne Arundel County. Chas. H. Steffey Inc. is handling sales. Prices begin at $56,000.

Continuing seminars on several outstanding Washington buildings will be held, beginning Wednesday, by Catholic University at the Pension Building. hFees and other information are available from the CU architectural department.

Raymond C. Brophy, a Washington Realtor who has been active in both development and leasing of new buildings, has accepted an invitation to become a member of the American Society of Real Estate Counselors, whose membership includes only 507 persons.

John D. Clayborne Inc. of Falls Church has been awarded a contract to construct a new S & W cafeteria in the Tower Square Shopping Center at 155 Hillwood Ave. in Falls Church. The cafeteria will have seating for 400 persons when work is completed late this summer.

Sale of approximately 41,000 square feet of land at 1611 Duke St., Alexandria, has been announced by Barnes, Morris & Pardoe Inc. The commercially zoned property was sold by J. Fred Kirchner and Jeffrey Cash to the Old Port Co. for $800,000. An office complex is planned for the site.

Roy Haas, John Swain and George Pettie, former senior inspectors with Home-Tech Systems Inc., have formed Associated Building Consultants Inc.

Holley, Hargett & Spain/Better Homes & Gardens has acquired Fireside Realty Inc. and now operates those offices in Camp Springs and Waldorf, Md. Fred Spain, chairman of the Holley firm, said that expansion to 50 offices is planned in the metro area. The firm now has 10 offices and nearly 300 sales associates.

Chateau Realty of Fairfax was recently honored for having top gross sales among Century 21 firms in this area. John Ellis, owner of Chateau, said six agents of the firm had more than $1 million in sales in 1979.

Realty Seminars Inc. will offer a realty market feasibility analysis seminar on March 28 in Washington. The fee is $225. Information is available by dialing (703) 528-6750.

The Frank S. Phillips Mortgage Corp. announced placement of $815,000 financing for a new one-story medical building in Waldorf, Md.

H. G. Smith Co. arranged long-term financing of $3.25 million for a four-story office building planned for a site in the Tyson's Corner area. The Boone Boulevard building is expected to be completed late this year.

The American Alliance for Health, Physical Education, Recreation and Dance plans to occupy its own 30,000-square-foot new office building in Reston in June. The $2 million building on a 3.5-acre site was designed by V-V-K-R Partnership. The move will give Reston 30 trade and professional associations in residence.

Sheldon Shreiberg, who has been counsel to the House subcommittee on housing and urban development, is joining the downtown law firm of Brownstein, Zeidman and Schomer. Shreiberg earlier served as executive assistant to FHA Commissioner Larry Simons.

A Montgomery College course on income tax aspects to real estate transactions has been certified as one of the mandatory continuing education courses available to brokers and sales associates. Attorney Lawrence Bell is the instructor.