4-3-2-1 Realty, owned by Alice S. Maher, has moved its office to the Nassif building at 5611 Columbia Pike, Falls Church. The firm, which uses a commision schedule ranging from 1 to 4 percent, is a member of the multiple listing serice of the Northern Virginia Board of Realtors.

Arbory, a condominium community of cluster dwellings in the Laurel area, had 10 sales during the snowy weeek ending Feb. 24, the developer reported. Prices start from $43,990. Allwin Building Corp. Reported a total of 170 sales during the first year of development at Arbory.

A long-term lease for the land and building at 2000 Florida Ave. NW has been arranged by Braedon Property Management for owners Jeffrey N. Cohen and C. Duke Brannock. American Geophysical Union, the tenant, will occupy 15,000 square feet now and sub-lease other space. Cohen and Brannock bought the building last year from the National Rural Electric Cooperative Association.

The Washington Board of Realtors will hold its annual luncheon to recognize top residential sales performances of 1978 on March 14 at the Mayflower hotel.

Chris Coile & Associates Inc., a firm that began business in Annapolis in 1970, recently opened an office in Odenton, Md., its 10th in Anne Arundel County. The firm also has opened four new offices in Baltimore County and others in Westminster, Md., and Littlestown, Pa.

The fourth annual convention of Realty World franchise brokers begins Sunday in Las Vegas. More than 3,000 brokers are expected to attend.

Brokers Rose and Frank Wolf of Dunbarton Real Estate in Washington announced that they have been granted a seat on the international real estate exchange called Creative Real Estate.

Permanent financing of $1.8 million for the 10-year-old Ashdale Plaza Shopping Center in Dale City was arranged by Walker & Dunlop of Washington. Ashdale Plaza, which has 83,000 square feet of shopping space and parking for 520 cars, is owned by Cecil D. Hylton, the developer of Dale City.