EXHIBIT 21.1 EXHIBIT A --------- EQUITY RESIDENTIAL PROPERTIES TRUST SUBSIDIARIES ------------ 1. ERP Operating Limited Partnership 2. Equity Residential Properties Management Limited Partnership 3. Equity Residential Properties Management Limited Partnership II 4. Equity Residential Properties Management Corp. I (own preferred stock only, not common) 5. Equity Residential Properties Management Corp. II (own preferred stock only, not common) ILLINOIS -------- 1. EQR-BS Financing Limited Partnership 2. EQR-Chaparral Creek GP Limited Partnership 3. EQR-Lincoln Green I and II GP Limited Partnership 4. EQR-Lodge (OK) GP Limited Partnership 5. EQR-Stonebrook GP Limited Partnership 6. EQR-Sleepy Hollow Financing Limited Partnership 7. EQR-EOI Financing Limited Partnership 8. EQR-Continental Villas Financing Limited Partnership 9. EQR-Doral Financing Limited Partnership 10. EQR-Governor's Place Financing Limited Partnership 11. EQR-Plantation Financing Limited Partnership 12. EQR-Valley Park South Financing Limited Partnership 13. EQR-Yorktowne Financing Limited Partnership 14. EQR-SWN Line Financing Limited Partnership 15. EQR-Arbors Financing Limited Partnership 16. EQR-Breton Hammocks Financing Limited Partnership 17. EQR-Emerald Place Financing Limited Partnership 18. EQR-Essex Place Financing Limited Partnership 19. EQR-Met Financing Limited Partnership 20. EQR-Met CA Financing Limited Partnership 21. EQR-Wellington Hill Financing Limited Partnership - (New Hampshire) 22. EQR-Tanasbourne Terrace Financing Limited Partnership 23. EQR-Reserve Square Limited Partnership - (Ohio) 24. EQR-Fountainhead I Financing General Partnership 25. EQR-Fountainhead II Financing General Partnership 26. EQR-Fountainhead III Financing General Partnership 27. E-Chaparral Associates Limited Partnership 28. Equity-Chaparral Venture Limited Partnership 29. E-G-One Associates 30. Equity Green I Venture 31. E-G-Two Associates 32. Equity-Green II Venture 33. E-Stonebrook Associates 34. Equity-Stonebrook Venture Limited Partnership 35. E-Lodge Associates Limited Partnership 36. Equity-Lodge Venture Limited Partnership 37. Country Club Associates Limited Partnership 38. Second Country Club Associates Limited Partnership 39. Second Georgian Woods Limited Partnership 40. Greenwich Woods Associates Limited Partnership 41. Artery Northampton Limited Partnership 42. Third Towne Centre Limited Partnership 43. Fourth Towne Centre Limited Partnership 44. Georgian Woods Annex Associates 45. EQR-Keystone Financing General Partnership 46. EQR-Camellero Financing Limited Partnership 47. EQR-Arizona, L.L.C. - (Delaware) 48. EQR-Washington, L.L.C. - (Delaware) 49. EQR-Wellington, L.L.C. - (Delaware) 50. EQR-Oregon, L.L.C. - (Delaware) 51. EQR-Waterfall, L.L.C. - (Delaware) 52. EQR-Virginia, L.L.C. - (Delaware) 53. Multifamily Portfolio LP Limited Partnership 54. EQR-Plantation, L.L.C. - (Delaware) 55. EQR-California, L.L.C.; 56. EQR-ArtBHolder, L.L.C.; 57. EQR-ArtCapLoan, L.L.C.; 58. EQR-Keystone Financing G.P.; 59. Country Ridge General Partnership; 60. Rosehill Pointe General Partnership; 61. EQR-Canter Chase General Partnership; 62. Hunter's Glen General Partnership; 63. Sunny Oak Village General Partnership; 64. EQR-Pine Meadows Garden General Partnership; 65. EQR-Bond Partnership; 66. EQR-Park Place I General Partnership; 67. EQR-Park Place II General Partnership; 68. Songbird General Partnership; 69. Cedar Crest General Partnership; 70. EQR-Creekside Oaks General Partnership; 71. EQR-Village Oaks General Partnership; 72. EQR-Lakeville Resort General Partnership; 73. EQR-Trails at Dominion General Partnership; 74. EQR-Virginia, L.L.C. 75. EQR-Dartmouth Woods General Partnership