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Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

JBG SMITH PROPERTIES

as of December 31, 2025

Entity

State of Organization

1

1101 Fern Street, L.L.C.

Delaware

2

1200 Eads Street LLC

Delaware

3

1200 Eads Street Sub LLC

Delaware

4

12100 Sunset Hills, L.L.C.

Delaware

5

1229-1231 25th Street LLC

Delaware

6

1241-1251 6th Street NE, L.L.C.

Delaware

7

1244 South Capitol Residential, L.L.C.

Delaware

8

1250 First Street Office, L.L.C.

Delaware

9

1263 First Street, L.L.C.

Delaware

10

1270 4th Street NE, L.L.C.

Delaware

11

1275 5th Street NE, L.L.C.

Delaware

12

1331 5th Street NE, L.L.C.

Delaware

13

1400 Eads Street LLC

Delaware

14

1460 Richmond Highway, L.L.C.

Delaware

15

1601 Fairfax Drive, L.L.C.

Delaware

16

1730 M, L.L.C.

Delaware

17

1900 CML, L.L.C.

Delaware

18

1900 Crystal Drive MT, L.L.C.

Delaware

19

1900 Crystal Drive, L.L.C.

Delaware

20

2000-01 SB, L.L.C.

Delaware

21

2000-2001 S. Bell ML, L.L.C.

Delaware

22

2011 Crystal Lessee, L.L.C.

Delaware

23

2100 Promote Plan, L.L.C.

Delaware

24

2100-2200 Crystal Drive Commercial Condominium Unit Owners Association, Inc.

Virginia

25

2101 L Employee Plan, L.L.C.

Delaware

26

220 S. 20th Street LLC

Delaware

27

220 S. 20th Street Member, L.L.C.

Delaware

28

2200 Clarendon, L.L.C.

Delaware

29

2300 Clarendon, L.L.C.

Delaware

30

2900 Potomac Avenue, L.L.C.

Delaware

31

2901 Main Line Boulevard, L.L.C.

Delaware

32

3150 Exchange Avenue, L.L.C.

Delaware

33

3151 Exchange Avenue, L.L.C.

Delaware

34

3330 Exchange Avenue, L.L.C.

Delaware

35

3331 Exchange Avenue, L.L.C.

Delaware

36

3450 Exchange Avenue, L.L.C.

Delaware

37

3451 Exchange Avenue, L.L.C.

Delaware

38

4747 Bethesda Venture, LLC

Delaware


39

50 Patterson Office, L.L.C.

Delaware

40

51 N 50 Patterson Holdings, L.L.C.

Delaware

41

51 N Residential, L.L.C.

Delaware

42

601 E. Glebe Road, L.L.C.

Delaware

43

7200 Wisconsin, L.L.C.

Delaware

44

7900 Wisconsin Residential, L.L.C.

Delaware

45

Arna-Eads, L.L.C.

Delaware

46

Ashley House Member, L.L.C.

Delaware

47

Ashley House Residential, L.L.C.

Delaware

48

Atlantic Residential A, L.L.C.

Delaware

49

Atlantic Residential C, L.L.C.

Delaware

50

Atlantic Retail B, L.L.C.

Delaware

51

Ballpark Square REA Manager, Inc.

Delaware

52

Blue Lion Cell 2, PC

District of Columbia

53

Blue Lion Cell 3 IC, L.L.C.

District of Columbia

54

Blue Lion PCC, LLC

District of Columbia

55

CESC 1101 17th Street Limited Partnership

Maryland

56

CESC 1101 17th Street Manager, L.L.C.

Delaware

57

CESC 1101 17th Street, L.L.C.

Delaware

58

CESC 1150 17th Street LLC

Delaware

59

CESC 1150 17th Street Manager, L.L.C.

Delaware

60

CESC 2101 L Street LLC

Delaware

61

CESC Crystal Square Four L.L.C.

Delaware

62

CESC Crystal/Rosslyn II, L.L.C.

Delaware

63

CESC Crystal/Rosslyn L.L.C.

Delaware

64

CESC District Holdings L.L.C.

Delaware

65

CESC Downtown Member L.L.C.

Delaware

66

CESC Engineering TRS, LLC

Delaware

67

CESC Gateway One L.L.C.

Delaware

68

CESC Gateway Square L.L.C.

Delaware

69

CESC Gateway Two Limited Partnership

Virginia

70

CESC Gateway Two Manager L.L.C.

Virginia

71

CESC Gateway Two Member L.L.C.

Delaware

72

CESC Gateway Two Venture L.L.C.

Delaware

73

CESC Gateway/Square Member L.L.C.

Delaware

74

CESC H Street L.L.C.

Delaware

75

CESC Mall L.L.C.

Virginia

76

CESC Mall Land L.L.C.

Delaware

77

CESC One Democracy Plaza L.P.

Maryland

78

CESC One Democracy Plaza Manager L.L.C.

Delaware

79

CESC Park Five Land L.L.C.

Delaware

80

CESC Park Five Manager L.L.C.

Virginia

81

CESC Park Four Land L.L.C.

Delaware

82

CESC Park Four Manager L.L.C.

Virginia


83

CESC Park One Land L.L.C.

Delaware

84

CESC Park One Manager L.L.C.

Delaware

85

CESC Park Three Land L.L.C.

Delaware

86

CESC Park Three Manager L.L.C.

Virginia

87

CESC Park Two L.L.C.

Delaware

88

CESC Park Two Land L.L.C.

Delaware

89

CESC Plaza Five Limited Partnership

Virginia

90

CESC Plaza Limited Partnership

Virginia

91

CESC Plaza Manager L.L.C.

Virginia

92

CESC Potomac Yard LLC

Delaware

93

CESC Square L.L.C.

Virginia

94

CESC TRS, L.L.C.

Delaware

95

CESC Water Park L.L.C.

Virginia

96

Charles E. Smith Commercial Realty L.P.

Virginia

97

Clarendon Plaza L.L.C.

Delaware

98

Crystal Drive Condominium Declarant, L.L.C.

Virginia

99

Crystal Gateway 3 Owner Member, L.L.C.

Delaware

100

Crystal Gateway 3 Owner, L.L.C.

Delaware

101

Crystal Gateway 3 Venture, L.L.C.

Delaware

102

Crystal Tech Fund LP

Delaware

103

DC Portfolio Holdings, L.L.C.

Delaware

104

Dulles View Drive, L.L.C.

Delaware

105

Dulles View Venture, L.L.C.

Delaware

106

DV Member, L.L.C.

Delaware

107

East Entrance, L.L.C.

Virginia

108

Falkland Preservation Member, L.L.C.

Delaware

109

Falkland Preservation, L.L.C.

Delaware

110

Falkland/REC Holdco Member, L.L.C.

Delaware

111

Falkland/REC Holdco, L.L.C.

Delaware

112

Fifth Crystal Park Associates Limited Partnership

Virginia

113

First Crystal Park Associates Limited Partnership

Virginia

114

Florida Avenue Residential, L.L.C.

Delaware

115

Fort Totten North, L.L.C.

Delaware

116

Fourth Crystal Park Associates Limited Partnership

Virginia

117

H Street Building Corporation

Delaware

118

H Street Management LLC

Delaware

119

James House Member LLC

Delaware

120

James House Residential, L.L.C.

Delaware

121

JBG Associates, L.L.C.

Delaware

122

JBG Core Venture I, L.P.

Delaware

123

JBG SMITH Management Services, L.L.C.

Delaware

124

JBG SMITH Properties

Maryland

125

JBG SMITH Properties LP

Delaware

126

JBG Urban, L.L.C.

Delaware


127

JBG/1250 First Member, L.L.C.

Delaware

128

JBG/1300 First Street, L.L.C.

Delaware

129

JBG/1831 Wiehle, L.L.C.

Delaware

130

JBG/1861 Wiehle Lessee, L.L.C.

Delaware

131

JBG/55 New York Avenue, L.L.C.

Delaware

132

JBG/6th Street Associates, L.L.C.

Delaware

133

JBG/Asset Management, L.L.C.

Delaware

134

JBG/BC Chase Tower, L.P.

Delaware

135

JBG/BC GP, L.L.C.

Delaware

136

JBG/BC Investor, L.P.

Delaware

137

JBG/Bethesda Avenue, L.L.C.

Delaware

138

JBG/Commercial Management, L.L.C.

Delaware

139

JBG/Core I GP, L.L.C.

Delaware

140

JBG/Core I LP, L.L.C.

Delaware

141

JBG/Development Group, L.L.C.

Delaware

142

JBG/Development Services, L.L.C.

Delaware

143

JBG/Fund IX Transferred, L.L.C.

Delaware

144

JBG/Fund VI Transferred, L.L.C.

Delaware

145

JBG/Fund VII Transferred, L.L.C.

Delaware

146

JBG/Fund VIII Transferred, L.L.C.

Delaware

147

JBG/Fund VIII Trust

Maryland

148

JBG/Landbay G Member, L.L.C.

Delaware

149

JBG/Landbay G, L.LC.

Delaware

150

JBG/L'Enfant Plaza Member, L.L.C.

Delaware

151

JBG/L'Enfant Plaza Mezzanine, L.L.C.

Delaware

152

JBG/Lionhead, L.L.C.

Delaware

153

JBG/N & Patterson Member, L.L.C.

Delaware

154

JBG/Residential Management, L.L.C.

Delaware

155

JBG/Retail Management, L.L.C.

Maryland

156

JBG/Tenant Services, L.L.C.

Delaware

157

JBG/UDM Transferred, L.L.C.

Delaware

158

JBG/West Half Residential Member, L.L.C.

Delaware

159

JBG/Woodmont II, L.L.C.

Delaware

160

JBGS Employee Company, L.LC.

Delaware

161

JBGS/1235 South Clark, L.L.C.

Delaware

162

JBGS/17th Street Holdings, L.P.

Delaware

163

JBGS/17th Street, L.L.C.

Delaware

164

JBGS/CES Management, L.L.C.

Delaware

165

JBGS/CIM Wardman Owner Member, L.L.C.

Delaware

166

JBGS/Commercial Realty GEN-PAR, L.L.C.

Delaware

167

JBGS/Company Manager, L.L.C.

Delaware

168

JBGS/Courthouse I, L.L.C.

Delaware

169

JBGS/Courthouse II, L.L.C.

Delaware

170

JBGS/Fund VIII REIT Management Services, L.L.C.

Delaware


171

JBGS/LEO Employee Plan, L.L.C.

Delaware

172

JBGS/Management OP, L.P.

Delaware

173

JBGS/OP Management Services, L.L.C.

Delaware

174

JBGS/Pentagon Plaza, L.L.C.

Virginia

175

JBGS/Recap GP L.L.C.

Delaware

176

JBGS/Recap, L.L.C.

Delaware

177

JBGS/TRS, L.L.C.

Delaware

178

JBGS/Waterfront Holdings, L.L.C.

Delaware

179

Landbay G Potomac Yards Owners Association

Virginia

180

LBF CE Owner, L.L.C.

Delaware

181

LBF Declarant, L.L.C.

Delaware

182

LBF NTV Investor Member, L.L.C.

Delaware

183

LBG Declarant, L.L.C.

Delaware

184

LEO Impact Capital, L.L.C.

Delaware

185

LEO Impact Housing Fund Manager, L.L.C.

Delaware

186

LEO Impact Housing Fund, L.L.C.

Delaware

187

LEO Impact REIT, L.L.C.

Delaware

188

LEO Investor Member, L.L.C.

Delaware

189

Market Square Fairfax MM LLC

Delaware

190

MTV Holdco, L.L.C.

Delaware

191

National Landing Business Owners' Association, Inc.

Virginia

192

National Landing Development, L.L.C.

Delaware

193

New Kaempfer Waterfront LLC

Delaware

194

North Glebe Office, L.L.C.

Delaware

195

NTV Holdco, L.L.C.

Delaware

196

Park One Member L.L.C.

Delaware

197

PM Investor Member, L.L.C.

Delaware

198

PM Mezz, L.L.C.

Delaware

199

PM Venture I, L.L.C.

Delaware

200

Potomac Creek Associates, L.L.C.

Delaware

201

Potomac East Master Association, Inc.

Virginia

202

Potomac East Mixed-Use Association, Inc.

Virginia

203

Potomac House Member, L.L.C.

Delaware

204

Potomac House Residential, L.L.C.

Delaware

205

PY Landbay H, L.L.C. (fka JBG/Atlantic LP, L.L.C.)

Delaware

206

PY RR Land, L.L.C.

Delaware

207

RH Landbay S, L.L.C.

Delaware

208

RH Parcel C1, L.L.C.

Delaware

209

RH Parcel N1, L.L.C.

Delaware

210

SEAD OP, L.L.C.

Delaware

211

SEAD, L.L.C.

Delaware

212

Sharon Crossing Preservation, L.L.C.

Delaware

213

Sherman Avenue LLC

District of Columbia

214

Third Crystal Park Associates Limited Partnership

Virginia


215

Tysons Dulles Holdings, L.L.C.

Delaware

216

Tysons Dulles Member, L.L.C.

Delaware

217

Tysons Dulles Promote Plan, L.L.C.

Delaware

218

Tysons Dulles Venture, L.L.C.

Delaware

219

Washington CT Fund GP LLC

Delaware

220

Washington Housing Initiative Impact Pool Workforce, L.L.C.

Delaware

221

Washington Housing Initiative Impact Pool, L.L.C.

Delaware

222

Washington Mart TRS, L.L.C.

Delaware

223

Water Park Lessee, L.L.C.

Delaware

224

Waterfront 375 M Street, LLC

Delaware

225

Waterfront 425 M Street, LLC

Delaware

226

West Half Residential II, L.L.C.

Delaware

227

West Half Residential III, L.L.C.

Delaware