Two multi-office area realty firms announced new sales records in July. Long & Foster said its July volume exceeded $116 million for the sales of 1,324 dwellings (both new and resale). The firm's previous high was set in June, when the $100 million mark was exceeded. Town & Country Realtors announced a July volume of $62.5 million, the best ever for the firm that has 1,230 sales associates in 22 offices in Virginia and Maryland. The firm's two offices in the City of Fairfax were the leaders.

The Bethesda-Chevy Chase office of Panorama Real Estate set a record in July with sales in excess of $7 million for 55 transactions, according to an announcement from the company. Sylvia Levy is manager of that office. The firm has 28 branches in this area.

The Braedon Companies announced that the Metro-Plex building at the Beltway and Route 50 in Landover is more than 50 percent leased. Tenants are moving into the building as space is finished. The start of a second large office building on the site is scheduled next spring. Landmark Associates is the developer and Arthur Cotton Moore is the architect.

Sheridan School, 4400 36th St. NW. is offering courses on architectural design and plumbing maintenance. Designed to assist homeowners, the courses will be held Thursday evenings, beginning Oct. 16. Information is available by calling 362-7900.

Belle View, a 58-acre, 979-unit garden apartment complex in S. Alexandria, is being renovated and converted to condominium ownership by a subsidiary of International Developers Inc.

National Capital Corp. in Chevy Chase announced that it has arranged $3.1 million in construction and permanent financing for the planned Evergreen Professional Center in Annandale. The development will be offices in a town house configuration. Bruce Forbes is the developer.

The Anden Group, builders and devlopers of residential housing, has moved its office to the Skyline Center at Baileys Crossroads. Anden currently is building new town houses at the Windgate in Arlington and converting the former Claremont apartments to condominiums.

Walker & Dunlop recently arranged the sale of the Swarthmore apartments, 1010 25th St. NW. to a tenant association. Financing of $1.8 million was arranged for the 88-unit building in Foggy Bottom. John Iwaniec of Walker & Dunlop represented the tenanat association in the conversion. More than 50 percent of the units were purchased by tenants.

The second section of condominium cluster town houses has been started at Arbory in the Laurel area. Allwin Building Corp. is the developer. The first phase of construction, including 222 town houses, is nearly sold out.

Manarin Odle and Rector Realtors has been named sales agent for Seaport Commons, a small group of large town houses being built on Bashford Lane in Alexandria. O. C. Builders Inc. is the developer and Lewis-Wisniewski the architect.

Long & Foster Real Estate Inc. announced the sale of 26 acres of undeveloped land in Prince William Country to Battlefield Builders Inc., which plans a town house community on the property on Crestwood Drive near Route 234. Crestwood Construction Corp. was the seller of the property.

The annual mortgage conference of the National Association of Mutual Savings Banks will begin Sept. 7 at the Mayflower.