Foxhall Square, a classy area development of 100,000 square feet of office space and 49,000 square feet of retail space at 3301 New Mexico Ave. NW, has been sold for about $8 million to Foxhall Associates, a group of investors headed by Gerald T. Halpin and John T. Kenney. Capital Mortgage Investments was the seller and the transaction also involved an unnamed bank as a thrid party in a "swap of assets" according to a CMI spokesman.

In regard to the development of home sites in the unsewered area north of the village of Potomac, a subject covered in this section last week, Robert G. Blitz is the sole owner and developer of the big lots in the Tara subdivision.

A new report on office leasing from the Washington Board or Realtors shows that 209,696 square feet of office space was leased in the District in a recent two-month period and 105,881 square feet leased in Maryland and 44,940 feet leased in Viriginia.

Stanley Halle Communities, Inc., is the name of a new firm that is building 92 duplex dwellings in the $50,000 range at its University Park subdivision at 7th and Buchanan NE. ham-based firm, said that he and his partner of 10 years in Stanley Martin Communities, Martin Alloy, decided to go separate ways after building more than 2,000 houses.

When Joe L. Albritton, publisher of The Washington Star, was the main speaker Wednesday at the annual awards luncheon of Town & Country Properties, Inc., he heard special recognition paid to Ronald Haft. The Sidwell Friends senior became the youngest member of the T&C staff and the youngest real estate agent in Maryland on April 1, the day he became 18 and obtained his license after passing the test earlier. In the lighter part of his speech, Albritton said that he has an eight-year-old son who has been doing little of substance so far in life. "Now I figure that by the time he's 10 he should be out on his own and helping his old man," the publisher jested.