0000950133-08-000889 10-K 7 20071231 20080229 20080229 AVALONBAY COMMUNITIES INC 0000915912 6798 770404318 MD 1231 10-K 34 001-12672 08654394 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-K 1 w50312e10vk.htm AVALONBAY COMMUNITIES, INC. EX-12.1 2 w50312exv12w1.htm EX-12.1 EX-21.1 3 w50312exv21w1.htm EX-21.1 EX-23.1 4 w50312exv23w1.htm EX-23.1 EX-31.1 5 w50312exv31w1.htm EX-31.1 EX-31.2 6 w50312exv31w2.htm EX-31.2 EX-32 7 w50312exv32.htm EX-32