ESSEX PROPERTY TRUST, INC.

AND ESSEX PORTFOLIO, L.P.

List of Subsidiaries

as of 12/31/15

Exhibit 21.1

1. Essex Portfolio, L.P., a California limited partnership, (a subsidiary of Essex Property Trust)

2. Essex Management Corporation, a California corporation

3. Essex Palisades Facilitator, a California limited partnership

4. Essex Mirabella Marina Apartments, L.P., a California limited partnership

5. Essex San Ramon Partners L.P., a California limited partnership

6. Essex Fidelity I Corporation, a California corporation

7. Essex Camarillo Corporation, a California corporation

8. Essex Camarillo L.P., a California limited partnership

9. Essex Meadowood, L.P., a California limited partnership

10. Essex Bunker Hill, L.P., a California limited partnership

11. Essex Treetops, L.P., a California limited partnership

12. Essex Bluffs, L.P., a California limited partnership

13. Essex Huntington Breakers, L.P., a California limited partnership

14. Essex Stonehedge Village, L.P., a California limited partnership

15. Essex Inglenook Court, LLC, a Delaware limited liability company

16. Essex Wandering Creek, LLC, a Delaware limited liability company

17. Essex Columbus, L.P., a California limited partnership

18. Essex Lorraine, L.P., a California limited partnership

19. Essex Glenbrook, L.P., a California limited partnership

20. Essex Euclid, L.P., a California limited partnership

21. Richmond Essex L.P., a California limited partnership

22. Essex Wilshire, L.P., a California limited partnership

23. Essex Wynhaven, L.P., a California limited partnership

24. Jackson School Village Limited Partnership, a California limited partnership

25. Essex Carlyle, L.P., a California limited partnership

26. Essex Dupont Lofts, L.P., a California limited partnership

27. ESG Properties I, LLC, a Delaware limited liability company

28. Essex Cochran, L.P., a California limited partnership

29. Essex Kings Road, L.P., a California limited partnership

30. Essex Le Parc, L.P., a California limited partnership

31. Essex Monterey Villas, L.P., a California limited partnership

32. Essex Monterey Villas, LLC, a Delaware limited liability company

33. Essex Jaysac Tasman, L.P., a California limited partnership

34. Western Blossom Hill Investors, a California limited partnership

35. Western-Los Gatos I Investors, a California limited partnership

36. Western Highridge Investors, a California limited partnership

37. Western-San Jose III Investors, a California limited partnership

38. Western Riviera Investors, a California limited partnership

39. Western-Palo Alto II Investors, a California limited partnership

40. Irvington Square Associates, a California limited partnership

41. Western-Seven Trees Investors, a California limited partnership

42. Western-Las Hadas Investors, a California limited partnership

43. San Pablo Medical Investors, Ltd., a California limited partnership

44. Gilroy Associates, a California limited partnership

45. The Oakbrook Company, a Ohio limited partnership

46. Pine Grove Apartment Fund, Ltd., a California limited partnership

47. Valley Park Apartments, Ltd., a California limited partnership

48. Fairhaven Apartment Fund, Ltd., a California limited partnership

49. K-H Properties, a California limited partnership

50. Villa Angelina Apartment Fund, Ltd., a California limited partnership

51. Essex Camarillo Oaks 789, L.P., a California limited partnership

52. Essex Emerald Ridge, L.P., a California limited partnership

53. Essex CAL-WA, L.P., a California limited partnership

54. Essex Marina City Club, L.P., a California limited partnership

55. Essex Fountain Park Apartments, L.P., a California limited partnership

56. Essex SPE, LLC, a Delaware limited liability company

57. Essex MCC, LLC, a Delaware limited liability company

58. Essex Excess Assets TRS, Inc., a Delaware corporation

59. Essex The Pointe, L.P., a California limited partnership

60. Essex Tierra Vista, L.P., a California limited partnership

61. EMC SPE, LLC, a Delaware limited liability company

62. Essex Vista Belvedere, L.P., a California limited partnership

63. Essex Marbrisa Long Beach, L.P., a California limited partnership

64. Essex Marina City Club, LLC, a Delaware limited liability company

65. Essex Northwest Gateway, LLC, a Delaware limited liability company

66. Essex Fairwood Pond, L.P., a California limited partnership

67. Park Hill LLC, a Washington limited liability company

68. Essex NBN SPE, LLC, a Delaware limited liability company

69. Essex Gateway Management, LLC, a California limited liability company

70. Essex Eastridge, Inc., a California corporation

71. Essex Tracy Development, Inc., a California corporation

72. Essex Property Financial Corporation, a California corporation

73. Northwest Gateway Apartments, L.P., a California limited partnership

74. Essex Alamo, L.P., a Delaware limited partnership

75. Essex Broadway, LLC, a Washington limited liability company

76. Essex HGA, LLC, a Delaware limited liability company

77. Essex Hillsdale Garden Apartments, L.P., a California limited partnership

78. Essex Camino Ruiz Apartments, L.P., a California limited partnership

79. Essex Harvest Park Apartments, L.P., a California limited partnership

80. Belmont Affordable Partners, L.P., a California limited partnership

81. Essex Chestnut Apartments, L.P., a California limited partnership

82. Essex Canyon Oaks Apartments, L.P., a California limited partnership

83. Essex Esplanade, L.P., a California limited partnership

84. Pacific Western Insurance LLC, a Hawaii limited liability company

85. Western-Mountain View II Investors, a California limited partnership

86. Western-San Jose IV Investors Limited Partnership, a California limited partnership

87. Essex Berkeley 4thStreet, L.P., a California limited partnership

88. Newport Beach North LLC, a Delaware limited liability company

89. Essex Summerhill Park, L.P., a California limited partnership

90. Essex Skyline, L.P., a Delaware limited partnership

91. Essex San Fernando, L.P., a California limited partnership

92. Essex Eagle Rim, L.P., a California limited partnership

93. Essex Hillcrest Park, L.P., a California limited partnership

94. Essex The Commons, L.P., a California limited partnership

95. Essex Derian, L.P., a California limited partnership

96. Essex Bella Villagio, L.P., a California limited partnership

97. Essex NoHo Apartments, L.P., a California limited partnership

98. Essex Hillsborough Park, L.P., a California limited partnership

99. Essex Santee Court, L.P., a California limited partnership

100. Essex City View, L.P., a California limited partnership

101. Essex Courtyard, L.P., a California limited partnership

102. Essex Anavia, L.P., a California limited partnership

103. Essex Waterford, L.P., a California limited partnership

104. Essex 416 on Broadway, L.P., a California limited partnership

105. RP/Essex Skyline Holdings, L.L.C., a Delaware limited liability company

106. Essex Valley Village Magnolia, LLC, a Delaware limited liability company

107. Essex Queen Anne, LLC, a Washington limited liability company

108. Essex Wesco, L.P., a California limited partnership

109. Essex Arbors, L.P., a California limited partnership

110. Essex Cadence GP, L.P., a Delaware limited partnership

111. Essex Cadence Owner, L.P., a California limited partnership

112. Cadence San Jose, L.P., a Delaware limited partnership

113. Essex Warner Center, L.P., a California limited partnership

114. Essex Bellerive, L.P., a California limited partnership

115. Essex Bernard, L.P., a California limited partnership

116. Essex Dublin GP, L.P., a Delaware limited partnership

117. Essex Dublin Owner, L.P., a California limited partnership

118. West Dublin Bart, L.P., a Delaware limited partnership

119. Essex Redmond Hill CW, L.P., a California limited partnership

120. Essex Redmond Hill NE, L.P., a California limited partnership

121. Essex Monarch I, L.P., a Delaware limited partnership

122. Essex Monarch La Brea Apartments, L.P., a California limited partnership

123. Essex Monarch II, L.P., a Delaware limited partnership

124. Essex Monarch Santa Monica Apartments, L.P., a California limited partnership

125. Essex Briarwood, L.P., a California limited partnership

126. Essex The Woods, L.P., a California limited partnership

127. Essex JMS Acquisition, L.P. , a California limited partnership

128. Wesco I, LLC, a Delaware limited liability company

129. Santa Clara Square, LLC, a California limited liability company

130. Wesco GP, LLC, a Delaware limited liability company

131. Cadence REIT, LLC, a Delaware limited liability company

132. LINC REIT, LLC, a Delaware limited liability company

133. EssexMonarch GP I, LLC, a Delaware limited liability company

134. EssexMonarch GP II, LLC, a Delaware limited liability company

135. Wesco Redmond CW GP, LLC, a Delaware limited liability company

136. Wesco Redmond NE GP, LLC, a Delaware limited liability company

137. Essex CPP, GP, L.P., a Delaware limited liability company

138. Essex CPP, L.P., a Delaware limited liability company

139. Essex CPP REIT, LLC, a Delaware limited liability company

140. Essex SF GP, L.P., a California limited partnership

141. Essex SF Owner, L.P., a California limited partnership

142. Essex SF, L.P., a Delaware limited liability company

143. Essex SF Manager, L.P., a California limited partnership

144. Essex SF REIT, LLC, a Delaware limited liability company

145. Essex Huntington on Edinger, L.P., a California limited partnership

146. Essex Montebello, L.P., a California limited partnership

147. Essex Elkhorn Owner, L.P., a California limited partnership

148. Essex PE Lofts, L.P., a California limited partnership

149. Essex Riley Square, L.P., a California limited partnership

150. Essex Moorpark GP, L.P., a California limited partnership

151. Essex Moorpark Owner, L.P., a California limited partnership

152. Essex Moorpark, L.P., a Delaware limited partnership

153. Essex Moorpark REIT, LLC, a Delaware limited liability company

154. Essex Madrid, L.P., a California limited partnership

155. Essex Wesco III, L.P. a California limited partnership

156. Wesco III, LLC, a Delaware limited liability company

157. Wesco III GP, LLC, a Delaware limited liability company

158. Essex Haver Hill, L.P., a California limited partnership

159. Essex Walnut REIT, LLC, a Delaware limited liability company

160. Essex OSM REIT, LCC, a Delaware limited liability company

161. Essex Fox Plaza, L.P., a California limited partnership

162. Essex Walnut GP, L.P., a Delaware limited partnership

163. Essex Walnut Owner, L.P., a California limited partnership

164. Essex Walnut, L.P., a Delaware limited partnership

165. Essex OSM GP, L.P., a Delaware limited partnership

166. Essex OSM, L.P., a Delaware limited partnership

167. Essex Regency Escuela, L.P., a California limited partnership

168. La Brea Affordable Partners, L.P., a California limited partnership

169. Santa Monica Affordable Partners, L.P., a California limited partnership

170. Essex Gas Company Lofts,L.P., a California limited partnership

171. BEXAEW Ballinger Commons, LP, a Washington limited partnership

172. BEXAEW Citywalk, LP, a Washington limited partnership

173. BEXAEW Bothell Ridge, LP, a Washington limited partnership

174. BEXAEW Canyon Creek, LP, a California limited partnership

175. BEXAEW Enclave at Town Square, LP, a California limited partnership

176. BEXAEW The Heights, LP, a California limited partnership

177. BEXAEW Parkside Court, LP, a California limited partnership

178. BEXAEW Esplanade, LP, a California limited partnership

179. BEXAEW The Havens, LP, a California limited partnership

180. Essex Piedmont, L.P., a California limited partnership

181. Essex Bellevue Park, L.P., a California limited partnership

182. Essex Emeryville GP, L.P., a Delaware limited partnership

183. Essex Emeryville, L.P., a Delaware limited partnership

184. Essex Emeryville Owner, L.P., a California limited partnership

185. Essex Pleasanton GP, L.P., a Delaware limited partnership

186. Essex Pleasanton, L.P., a Delaware limited partnership

187. Essex Pleasanton Owner, L.P., a California limited partnerships

188. Essex Cadence Phase III Owner, L.P., a California limited partnership

189. Block 9 Transbay, LLC, a Delaware limited liability company

190. BEX Portfolio, LLC, a Delaware limited liability company

191. Wesco III BEX, LLC, a Delaware limited liability company

192. Essex Wesco IV, LLC, a Delaware limited liability company

193. Wesco IV, LLC, a Delaware limited liability company

194. Essex BEXAEW, LLC, a Delaware limited liability company

195. BEXAEW, LLC, a Delaware limited liability company

196. BEXAEW GP, LLC, a Delaware limited liability company

197. BRE-FMCA, LLC, a Delaware limited liability company

198. BEX FMCA, LLC, a Delaware limited liability company

199. Emerald Pointe Apartments, LLC, a Delaware limited liability company

200. Essex Emeryville REIT, LLC, a Delaware limited liability company

201. Essex Pleasanton REIT, LLC, a Delaware limited liability company

202. Cadence Phase III REIT, LLC, a Delaware limited liability company

203. GBR Palm Valley LLC, a Delaware limited liability company

204. Palm Valley Roll-Up LLC, a Delaware limited liability company

205. New Century Towers, LLC, a Delaware limited liability company

206. BRE Builders, Inc. a Delaware corporation

207. Block 9 Residential, LLC, a Delaware limited liability company

208. Essex Block 9 Manager, LLC, a Delaware limited liability company