Recent condominium sales in Fairfax County included the following, selected at random from information gathered by Rufus S. Lusk & Son Inc.: Fairfax

Mr. and Mrs. A. L. Raynor Jr. sold a condominium at 9455 Arlington Blvd. for $52,300 to Mr. and Mrs. Gardner L. Bridge.

Mr. and Mrs. R. G. Thorne sold a condominium at 9471 Arlington Blvd. for $43,900 to Benjamin R. Candler and others. The buyers assumed a trust of $20,517. Citicorp Person-To-Person Financial Center placed a note of $16,969 for 15 years.

S. V. Buyck sold a condominium at 9718 Kingsbridge Dr. for $48,500 to Brian M. Hull. American Home Funding Inc. placed an FHA mortgage of $43,250 at 15 1/2 percent for 30 years. Falls Church

Mr. and Mrs. C. E. VanMulders sold a condominium at 2311 Pimmit Dr. for $55,000 to Eileen R. Rivkin. The buyer assumed a trust of $31,994.

G. W. Von Tobel, trustee, sold a condominium at 3713 S. George Mason Dr. for $149,950 to Mr. and Mrs. Gerald J. Schumaker. Chevy Chase Savings and Loan Inc. placed a mortgage of $134,950 for 30 years.

Eleventh Skyline Corp. sold a condominium at 5501 Seminary Rd. for $108,750 to Richard T. Nelson and others. James W. Rouse & Co. Inc. placed a VA mortgage of $108,700 at 13 1/2 percent for 30 years.

N. L. Sorenson sold a condominium at 7320 Lee Highway for $53,000 to Elizabeth G. Warden. The buyer assumed a trust of $26,715. The seller took back a note for $15,000 at 13 1/2 percent for five years. McLean

Mr. and Mrs. W. F. Gray Sr. sold a condominium at 7600 Tremayne Place for $61,500 to Susan L. Wacker. Continental Illinois National Bank & Trust Co. placed a mortgage of $49,200 for 30 years.

Mr. and Mrs. S. J. Binder sold a condominium at 2614 Ft. Farnsworth Rd. for $68,000 to James R. Law. The buyer assumed a trust of $38,500. The sellers took back a note for $17,200 at 13 percent for five years.