0000912057-01-008698 S-3 4 333-60875 20010329 AVALONBAY COMMUNITIES INC 0000915912 6798 770404318 MD 1231 S-3 33 333-57888 1584525 2900 EISENHOWER AVENUE SUITE 300 ALEXANDRIA VA 22314 7033296300 2900 EISENHOWER AVENUE STE 300 ALEXANDRIA VA 22314 AVALON BAY COMMUNITIES INC 19980618 BAY APARTMENT COMMUNITIES INC 19931208 S-3 1 a2042922zs-3.txt FORM S-3 EX-5.1 2 a2042922zex-5_1.txt EXHIBIT 5.1 EX-8.1 3 a2042922zex-8_1.txt EXHIBIT 8.1 EX-23.1 4 a2042922zex-23_1.txt EXHIBIT 23.1