0000950133-08-001369 11-K 2 20071231 20080331 20080331 AVALONBAY COMMUNITIES INC 0000915912 6798 770404318 MD 1231 11-K 34 001-12672 08724982 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 11-K 1 w52576e11vk.htm FORM 11-K EX-23.1 2 w52576exv23w1.htm EXHIBIT 23.1