0000950133-00-004217 8-K 2 20001025 5 7 20001026 COSTAR GROUP INC 0001057352 7374 522091508 DE 1231 8-K 34 000-24531 746079 2 BETHESDA METRO CENTER 10TH FLOOR BETHESDA MD 20814 3012158300 2 BETHESDA METRO CENTER BETHESDA MD 20814 8-K 1 w41705e8-k.txt CURRENT REPORT EX-99.1 2 w41705ex99-1.txt PRESS RELEASE