0000950133-02-003739 10-Q 1 20020930 20021113 COSTAR GROUP INC 0001057352 7374 522091508 DE 1231 10-Q 34 000-24531 02820357 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300 2 BETHESDA METRO CENTER BETHESDA MD 20814 10-Q 1 w65606e10vq.htm FORM 10-Q FOR COSTAR GROUP, INC.