. . . EXHIBIT 21.1 SUBSIDIARIES OF POST PROPERTIES, INC. (AS OF DECEMBER 31, 2004) Name State of Formation 1 1499 Massachusetts Avenue, Inc. Delaware 2 1499 Massachusetts Holding, LLC Delaware 3 Addison Circle Access, Inc. Delaware 4 Addison Townhomes One, Ltd. Texas 5 Akard-McKinney Investment Company, LLC Texas 6 Armada Condominiums, L.P. Georgia 7 Armada Denver Condominiums, LLC Texas 8 Armada Homes, Inc. Delaware 9 Armada Phoenix Townhomes, LLC Texas 10 Armada Residences, L.P. Georgia 11 Block 588 Condominium Development, L.P. Georgia 12 Block 588 GP, LLC Georgia 13 Block 588 LP, LLC Georgia 14 Briarcliff Commercial Property, LLC Georgia 15 Carlyle Condominium Development, LLC Georgia 16 Cumberland Lake, Inc. Georgia 17 Greenwood Residential, LLC Texas 18 P/C 89th Street LLC Delaware 19 P/C First Avenue LLC Delaware 20 Peachtree Condominium Development, LLC Georgia 21 Post 1499 Massachusetts, LLC Georgia 22 Post 89th Street, LLC Georgia 23 Post Apartment Homes, L.P. Georgia 24 Post Asset Management, Inc. Georgia 25 Post Austin Triangle, L.P. Georgia 26 Post Biltmore, LLC Delaware 27 Post Carlyle I, LLC Georgia 28 Post Carlyle II, LLC Delaware 29 Post Carlyle Services, LLC Georgia 30 Post Construction Services, Inc Georgia 31 Post Development Services Limited Partnership Georgia 32 Post GP Holdings, Inc. Georgia 33 Post Landscape Group, Inc. Georgia 34 Post LP Holdings, Inc. Georgia 35 Post Paseo Colorado, LLC Delaware 36 Post Peachtree, LLC Delaware 37 Post Rice Lofts, LLC Texas 38 Post Services, Inc. Georgia 39 Post Triangle, LLC Georgia 40 Post TRS Condo I, LLC Georgia 41 Post TRS, Inc Georgia 42 Post Uptown, LLC Texas 43 Post West Avenue Lofts, L.P. Georgia 44 Post West Avenue, LLC Georgia 45 Post-AmerUs American Beauty Mill, L.P. Georgia 46 Post-AmerUs Bennie Dillon, L.P. Georgia 47 Post-AmerUs Rice Lofts, L.P. Georgia 48 Post-AmerUs Wilson Building II, L.P. Georgia 49 Post-AmerUs Wilson Building, L.P. Georgia 50 Residential Ventures, Inc. Georgia 51 Rice Lofts, LP Texas 52 Riverside Villas, LLC Georgia 53 Rocky Point Management, Inc. Georgia 54 Rose Hill Associates, LLC Delaware 55 STS Loan & Management, Inc. Georgia 56 STS Loan, L.P. Georgia 57 Uptown Denver, LLC Colorado 58 Villas at Parkway Village, LP Georgia 59 Villas GP, LLC Georgia