0000950133-08-001887 10-Q 5 20080331 20080509 20080509 AVALONBAY COMMUNITIES INC 0000915912 6798 770404318 MD 1231 10-Q 34 001-12672 08819184 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 10-Q 1 w57745e10vq.htm 10-Q EX-12.1 2 w57745exv12w1.htm EX-12.1 EX-31.1 3 w57745exv31w1.htm EX-31.1 EX-31.2 4 w57745exv31w2.htm EX-31.2 EX-32 5 w57745exv32.htm EX-32