Recent residential condominium sales in Northern Virginia include the following, selected at random from information gathered by Rufus S. Lusk & Son Inc.:

Alexandria

Belle View Associates sold a condominium at 6510 Belle View for $50,000 to David T. Bryant Jr. and others. Dominion Bank Shares Mortgage Corp. placed an FHA mortgage for $47,500 at 13 1/2 percent for 30 years.

N. G. Gordon sold a condominium at 8409 Mina Loma Ct. for $51,000 to Mr. and Mrs. William E. Crutchfield. The buyers assumed a trust for $37,445.

D. C. Dump sold a unit at 7921 Sausalito Place for $65,000 to Roy E. Douglas. The buyer assumed a trust of $46,534 and a note for $5,573 for five years. The seller took back a note for $9,750 for five years.

Mr. and Mrs. R. E. Blakely sold a condominium at 3875 Havenwood Place for $66,800 to Mr. and Mrs. Archie B. Ford. The buyers assumed a trust of $44,759. The sellers took back a note for $45,500 at 13 percent for three years.

D. A. Giacolone sold a condominium at 2952 S. Columbus St. for $69,000 to David N. Townshend. Kissell-Virginia Inc. placed an FHA mortgage of $67,930 at 15 1/2 percent.

A. E. Farrell sold a unit at 4600 Duke St. for $77,000 to Mary Ann Wilson. The buyer assumed an original trust of $18,450. The seller took back a note for $35,000 for five years.

Mr. and Mrs. R. H. Greene sold a condominium at 4600 Duke St. for $41,900 to William M. Oakerson. Standard Federal Savings placed a mortgage of $39,800 for 30 years.

Mr. and Mrs. W. P. Durkin sold a condominium at 4600 Duke St. for $80,000 to Mr. and Mrs. Louis W. Porter. The balance of a $41,984 trust was assumed by the buyers. The sellers took back a note for $18,000 at 13 percent for three years.

M. C. Bruen sold a unit at 6301 Stevenson Ave. for $58,000 to Wayne A. Freedlander. Dominion Financial and Investment Corp. placed a mortgage of $51,250 at 12 percent for 30 years.

D. R. J. Bowyer sold a condominium at 434 Armistead St. for $46,000 to Sherry N. Weinstein. The buyer assumed a trust of $21,100. The seller took back a note for $20,000 at 11 1/2 percent for five years.

J. A. Heilig sold a unit 1225 Martha Custis Dr. for $39,000 to Farooq Bashir. Kissel-Virginia Inc. placed an FHA mortgage of $38,550 at 15 1/2 percent for 30 years.

R. W. Stoddard III sold a condominium at 205 Yoakum Pkwy. for $78,000 to Alberto Tolosa. The buyer assumed an original trust of $42,350. Chevy Chase Savings & Loan Inc. placed a mortgage of $25,000 for five years.

Annandale

Mr. and Mrs. Mohammad Ilyas sold a condominium at 4915 Americana Dr. for $55,000 to Mr. and Mrs. William J. Winter Jr. The buyers assumed a trust of $33,000. The sellers took back a note for $17,000 for three years.

Arlington

W. C. Tinklepaugh sold a unit at 4204 36th St. for $74,000 to Robert L. Dziuban. Washington Federal Savings and Loan Association placed an FHA mortgage for $66,000 at 15 1/2 percent for 30 years.

Mr. and Mrs. P. P. Schwartz sold a condominium at 2725 S. Buchanan St. for $88,300 to Mr. and Mrs. Demetrius S. Saris. The buyers assumed a trust of $60,300.

Mr. and Mrs. W. C. Taylor sold a condominium at 903-B S. Rolfe St. for $108,000 to Mr. and Mrs. Herbert L. Eacker. The buyers assumed a trust of $99,400 CAPTION: Picture, Unit at 6618 E. Wakefield Dr., Alexandria, sold for $53,900. By M.C. Valada for The Washington Post