XML 60 R30.htm IDEA: XBRL DOCUMENT v3.22.0.1
Real Estate and Accumulated Depreciation
12 Months Ended
Dec. 31, 2021
Real Estate And Accumulated Depreciation Disclosure [Abstract]  
Real Estate and Accumulated Depreciation

PROLOGIS, INC. AND PROLOGIS, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION

DECEMBER 31, 2021

(In thousands of U.S. dollars, as applicable)

 

 

 

 

 

 

 

 

Initial Cost to

Prologis

 

 

Costs

Capitalized

 

 

Gross Amounts at Which Carried

at December 31, 2021

 

 

 

 

 

 

 

Description

No. of Bldgs.

 

 

Encum-

brances

 

Land

 

 

Building &

Improvements

 

 

Subsequent

to

Acquisition

 

 

Land

 

 

Building &

Improvements

 

 

Total

(a,b)

 

 

Accumulated

Depreciation

(c)

 

 

Date of

Construction/

Acquisition

Operating Properties (d)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Atlanta

 

117

 

 

(d)

 

 

264,973

 

 

 

1,016,540

 

 

 

347,824

 

 

 

285,290

 

 

 

1,344,047

 

 

 

1,629,337

 

 

 

(300,774

)

 

1994-2021

Austin

 

10

 

 

 

 

 

12,783

 

 

 

52,335

 

 

 

9,567

 

 

 

12,837

 

 

 

61,848

 

 

 

74,685

 

 

 

(27,202

)

 

1994-2015

Baltimore/Washington D.C.

 

75

 

 

(d)

 

 

300,564

 

 

 

722,249

 

 

 

196,973

 

 

 

312,915

 

 

 

906,871

 

 

 

1,219,786

 

 

 

(161,553

)

 

1995-2020

Central PA

 

32

 

 

 

 

 

240,657

 

 

 

943,307

 

 

 

124,148

 

 

 

253,737

 

 

 

1,054,375

 

 

 

1,308,112

 

 

 

(197,801

)

 

2002-2020

Central Valley

 

34

 

 

(d)

 

 

163,294

 

 

 

386,853

 

 

 

776,157

 

 

 

181,008

 

 

 

1,145,296

 

 

 

1,326,304

 

 

 

(221,738

)

 

1999-2020

Charlotte

 

44

 

 

(d)

 

 

104,747

 

 

 

333,992

 

 

 

93,011

 

 

 

118,553

 

 

 

413,197

 

 

 

531,750

 

 

 

(67,326

)

 

1994-2020

Chicago

 

193

 

 

(d)

 

 

715,951

 

 

 

2,073,268

 

 

 

495,652

 

 

 

741,301

 

 

 

2,543,570

 

 

 

3,284,871

 

 

 

(672,820

)

 

1995-2020

Cincinnati

 

38

 

 

(d)

 

 

59,573

 

 

 

294,976

 

 

 

99,029

 

 

 

67,783

 

 

 

385,795

 

 

 

453,578

 

 

 

(73,309

)

 

1996-2020

Columbus

 

26

 

 

(d)

 

 

31,733

 

 

 

161,881

 

 

 

62,815

 

 

 

34,683

 

 

 

221,746

 

 

 

256,429

 

 

 

(93,376

)

 

1996-2020

Dallas/Ft. Worth

 

167

 

 

(d)

 

 

355,277

 

 

 

1,472,061

 

 

 

453,509

 

 

 

377,989

 

 

 

1,902,858

 

 

 

2,280,847

 

 

 

(457,367

)

 

1994-2020

Denver

 

37

 

 

 

 

 

106,088

 

 

 

295,412

 

 

 

153,217

 

 

 

104,495

 

 

 

450,222

 

 

 

554,717

 

 

 

(137,632

)

 

1993-2020

Houston

 

180

 

 

(d)

 

 

368,780

 

 

 

1,873,268

 

 

 

276,456

 

 

 

411,046

 

 

 

2,107,458

 

 

 

2,518,504

 

 

 

(296,712

)

 

1993-2020

Indianapolis

 

21

 

 

 

 

 

19,337

 

 

 

135,609

 

 

 

58,710

 

 

 

20,575

 

 

 

193,081

 

 

 

213,656

 

 

 

(63,341

)

 

1995-2020

Jacksonville

 

1

 

 

 

 

 

-

 

 

 

2,892

 

 

 

273

 

 

 

-

 

 

 

3,165

 

 

 

3,165

 

 

 

(2,758

)

 

2011

Las Vegas

 

56

 

 

 

 

 

139,227

 

 

 

345,348

 

 

 

179,899

 

 

 

132,895

 

 

 

531,579

 

 

 

664,474

 

 

 

(107,515

)

 

1996-2021

Lehigh Valley

 

56

 

 

 

 

 

886,276

 

 

 

1,902,902

 

 

 

317,508

 

 

 

958,783

 

 

 

2,147,903

 

 

 

3,106,686

 

 

 

(192,292

)

 

2004-2021

Louisville

 

11

 

 

 

 

 

41,944

 

 

 

188,696

 

 

 

60,895

 

 

 

44,196

 

 

 

247,339

 

 

 

291,535

 

 

 

(71,601

)

 

2005-2020

Nashville

 

22

 

 

 

 

 

66,590

 

 

 

236,777

 

 

 

125,256

 

 

 

68,809

 

 

 

359,814

 

 

 

428,623

 

 

 

(62,723

)

 

1995-2021

New Jersey/New York City

 

131

 

 

(d)

 

 

1,498,825

 

 

 

1,869,356

 

 

 

618,259

 

 

 

1,506,727

 

 

 

2,479,713

 

 

 

3,986,440

 

 

 

(675,959

)

 

1996-2021

Orlando

 

84

 

 

(d)

 

 

191,754

 

 

 

699,537

 

 

 

131,196

 

 

 

206,702

 

 

 

815,785

 

 

 

1,022,487

 

 

 

(123,996

)

 

1994-2021

Phoenix

 

49

 

 

 

 

 

146,888

 

 

 

394,219

 

 

 

305,641

 

 

 

175,268

 

 

 

671,480

 

 

 

846,748

 

 

 

(95,664

)

 

1992-2021

Portland

 

39

 

 

(e)

 

 

111,263

 

 

 

276,956

 

 

 

147,090

 

 

 

156,345

 

 

 

378,964

 

 

 

535,309

 

 

 

(58,904

)

 

2006-2021

Reno

 

17

 

 

(d)

 

 

25,389

 

 

 

142,279

 

 

 

111,695

 

 

 

26,761

 

 

 

252,602

 

 

 

279,363

 

 

 

(85,685

)

 

1994-2021

San Antonio

 

20

 

 

(d)

 

 

25,735

 

 

 

95,828

 

 

 

45,308

 

 

 

25,958

 

 

 

140,913

 

 

 

166,871

 

 

 

(63,820

)

 

1994-2016

San Francisco Bay Area

 

229

 

 

(d)

 

 

1,009,632

 

 

 

1,612,507

 

 

 

494,115

 

 

 

1,020,132

 

 

 

2,096,122

 

 

 

3,116,254

 

 

 

(777,530

)

 

1993-2021

Seattle

 

99

 

 

 

 

 

643,665

 

 

 

1,107,085

 

 

 

315,415

 

 

 

664,887

 

 

 

1,401,278

 

 

 

2,066,165

 

 

 

(252,838

)

 

2008-2021

South Florida

 

107

 

 

(d)

 

 

500,373

 

 

 

889,481

 

 

 

224,399

 

 

 

506,262

 

 

 

1,107,991

 

 

 

1,614,253

 

 

 

(275,170

)

 

1994-2021

Southern California

 

351

 

 

(d)(e)

 

 

3,270,727

 

 

 

4,753,548

 

 

 

1,381,334

 

 

 

3,542,081

 

 

 

5,863,528

 

 

 

9,405,609

 

 

 

(1,581,543

)

 

2005-2021

Tampa

 

12

 

 

 

 

 

22,028

 

 

 

69,520

 

 

 

12,429

 

 

 

28,143

 

 

 

75,834

 

 

 

103,977

 

 

 

(5,694

)

 

2020

Subtotal U.S. Markets:

 

2,258

 

 

 

 

 

11,324,073

 

 

 

24,348,682

 

 

 

7,617,780

 

 

 

11,986,161

 

 

 

31,304,374

 

 

 

43,290,535

 

 

 

(7,204,643

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other Americas Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canada

 

32

 

 

(d)

 

 

223,831

 

 

 

389,604

 

 

 

219,429

 

 

 

232,036

 

 

 

600,828

 

 

 

832,864

 

 

 

(150,693

)

 

2008-2021

Mexico

 

1

 

 

 

 

 

730

 

 

 

2,287

 

 

 

3,249

 

 

 

1,708

 

 

 

4,558

 

 

 

6,266

 

 

 

(1,823

)

 

2011

Subtotal Other Americas Markets:

 

33

 

 

 

 

 

224,561

 

 

 

391,891

 

 

 

222,678

 

 

 

233,744

 

 

 

605,386

 

 

 

839,130

 

 

 

(152,516

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Europe Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

France

 

2

 

 

 

 

 

2,831

 

 

 

4,844

 

 

 

192

 

 

 

2,832

 

 

 

5,035

 

 

 

7,867

 

 

 

(418

)

 

2019

Germany

 

1

 

 

 

 

 

7,737

 

 

 

5,032

 

 

 

601

 

 

 

7,737

 

 

 

5,633

 

 

 

13,370

 

 

 

(3,992

)

 

2011

Poland

 

1

 

 

 

 

 

588

 

 

 

-

 

 

 

6,804

 

 

 

648

 

 

 

6,744

 

 

 

7,392

 

 

 

-

 

 

2021

Slovakia

 

2

 

 

 

 

 

2,743

 

 

 

-

 

 

 

13,844

 

 

 

-

 

 

 

16,587

 

 

 

16,587

 

 

 

-

 

 

2021

Spain

 

6

 

 

 

 

 

17,496

 

 

 

36,639

 

 

 

22,543

 

 

 

15,626

 

 

 

61,052

 

 

 

76,678

 

 

 

(17,856

)

 

2011-2019

United Kingdom

 

1

 

 

 

 

 

47,208

 

 

 

3,689

 

 

 

-

 

 

 

47,341

 

 

 

3,556

 

 

 

50,897

 

 

 

(2,605

)

 

2019

Subtotal Europe Markets:

 

13

 

 

 

 

 

78,603

 

 

 

50,204

 

 

 

43,984

 

 

 

74,184

 

 

 

98,607

 

 

 

172,791

 

 

 

(24,871

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Asia Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Japan

 

1

 

 

 

 

 

-

 

 

 

-

 

 

 

10,198

 

 

 

157

 

 

 

10,041

 

 

 

10,198

 

 

 

(1,547

)

 

2019

Singapore

 

5

 

 

 

 

 

-

 

 

 

136,744

 

 

 

4,362

 

 

 

-

 

 

 

141,106

 

 

 

141,106

 

 

 

(67,805

)

 

2011

Subtotal Asia Markets:

 

6

 

 

 

 

 

-

 

 

 

136,744

 

 

 

14,560

 

 

 

157

 

 

 

151,147

 

 

 

151,304

 

 

 

(69,352

)

 

 

Total Operating Properties

 

2,310

 

 

 

 

 

11,627,237

 

 

 

24,927,521

 

 

 

7,899,002

 

 

 

12,294,246

 

 

 

32,159,514

 

 

 

44,453,760

 

 

 

(7,451,382

)

 

 

 

 

PROLOGIS, INC. AND PROLOGIS, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION

DECEMBER 31, 2021

(In thousands of U.S. dollars, as applicable)

 

 

 

 

 

 

 

 

Initial Cost to

Prologis

 

 

Costs

Capitalized

 

 

Gross Amounts at Which Carried

at December 31, 2021

 

 

 

 

 

 

Date of

Description

No. of Bldgs.

 

 

Encum-

brances

 

Land

 

 

Building &

Improvements

 

 

Subsequent

to

Acquisition

 

 

Land

 

 

Building &

Improvements

 

 

Total

(a,b)

 

 

Accumulated

Depreciation

(c)

 

 

Construction/

Acquisition

(f)

Development Portfolio

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Atlanta

 

3

 

 

 

 

 

31,458

 

 

 

-

 

 

 

75,873

 

 

 

31,458

 

 

 

75,873

 

 

 

107,331

 

 

 

 

 

 

 

Baltimore/Washington D.C.

 

1

 

 

 

 

 

3,621

 

 

 

-

 

 

 

7,135

 

 

 

3,621

 

 

 

7,135

 

 

 

10,756

 

 

 

 

 

 

 

Central Valley

 

3

 

 

 

 

 

60,124

 

 

 

-

 

 

 

139,469

 

 

 

60,124

 

 

 

139,469

 

 

 

199,593

 

 

 

 

 

 

2021

Charlotte

 

1

 

 

 

 

 

6,667

 

 

 

-

 

 

 

8,079

 

 

 

6,667

 

 

 

8,079

 

 

 

14,746

 

 

 

 

 

 

 

Chicago

 

6

 

 

 

 

 

101,797

 

 

 

-

 

 

 

55,358

 

 

 

101,797

 

 

 

55,358

 

 

 

157,155

 

 

 

 

 

 

2021

Cincinnati

 

1

 

 

 

 

 

1,155

 

 

 

-

 

 

 

10,430

 

 

 

1,155

 

 

 

10,430

 

 

 

11,585

 

 

 

 

 

 

2021

Dallas/Ft. Worth

 

6

 

 

 

 

 

27,481

 

 

 

-

 

 

 

28,128

 

 

 

27,481

 

 

 

28,128

 

 

 

55,609

 

 

 

 

 

 

 

Denver

 

1

 

 

 

 

 

9,892

 

 

 

-

 

 

 

6,133

 

 

 

9,892

 

 

 

6,133

 

 

 

16,025

 

 

 

 

 

 

 

Houston

 

1

 

 

 

 

 

14,059

 

 

 

-

 

 

 

56,429

 

 

 

14,059

 

 

 

56,429

 

 

 

70,488

 

 

 

 

 

 

 

Las Vegas

 

1

 

 

 

 

 

12,502

 

 

 

-

 

 

 

3,896

 

 

 

12,502

 

 

 

3,896

 

 

 

16,398

 

 

 

 

 

 

 

Lehigh Valley

 

1

 

 

 

 

 

31,694

 

 

 

-

 

 

 

38,657

 

 

 

31,694

 

 

 

38,657

 

 

 

70,351

 

 

 

 

 

 

 

Louisville

 

1

 

 

 

 

 

6,195

 

 

 

-

 

 

 

25,092

 

 

 

6,195

 

 

 

25,092

 

 

 

31,287

 

 

 

 

 

 

 

Nashville

 

3

 

 

 

 

 

6,829

 

 

 

-

 

 

 

43,440

 

 

 

6,829

 

 

 

43,440

 

 

 

50,269

 

 

 

 

 

 

2021

New Jersey/New York City

 

2

 

 

 

 

 

68,476

 

 

 

-

 

 

 

25,922

 

 

 

68,476

 

 

 

25,922

 

 

 

94,398

 

 

 

 

 

 

 

Orlando

 

3

 

 

 

 

 

22,494

 

 

 

-

 

 

 

26,036

 

 

 

22,494

 

 

 

26,036

 

 

 

48,530

 

 

 

 

 

 

2021

Phoenix

 

1

 

 

 

 

 

2,067

 

 

 

-

 

 

 

12,283

 

 

 

2,067

 

 

 

12,283

 

 

 

14,350

 

 

 

 

 

 

 

Portland

 

1

 

 

 

 

 

9,989

 

 

 

-

 

 

 

13,121

 

 

 

9,989

 

 

 

13,121

 

 

 

23,110

 

 

 

 

 

 

 

Reno

 

1

 

 

 

 

 

4,461

 

 

 

-

 

 

 

7,779

 

 

 

4,461

 

 

 

7,779

 

 

 

12,240

 

 

 

 

 

 

 

San Francisco Bay Area

 

2

 

 

 

 

 

13,566

 

 

 

-

 

 

 

3,083

 

 

 

13,566

 

 

 

3,083

 

 

 

16,649

 

 

 

 

 

 

 

Seattle

 

2

 

 

 

 

 

28,392

 

 

 

-

 

 

 

18,543

 

 

 

28,392

 

 

 

18,543

 

 

 

46,935

 

 

 

 

 

 

2021

South Florida

 

5

 

 

 

 

 

55,768

 

 

 

-

 

 

 

50,450

 

 

 

55,768

 

 

 

50,450

 

 

 

106,218

 

 

 

 

 

 

2021

Southern California

 

6

 

 

 

 

 

124,327

 

 

 

-

 

 

 

72,831

 

 

 

124,327

 

 

 

72,831

 

 

 

197,158

 

 

 

 

 

 

 

Subtotal U.S. Markets:

 

52

 

 

 

 

 

643,014

 

 

 

-

 

 

 

728,167

 

 

 

643,014

 

 

 

728,167

 

 

 

1,371,181

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Other Americas Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canada

2

 

 

 

 

 

19,030

 

 

 

-

 

 

 

17,143

 

 

 

19,030

 

 

 

17,143

 

 

 

36,173

 

 

 

 

 

 

 

Mexico

5

 

 

 

 

 

24,106

 

 

 

-

 

 

 

29,951

 

 

 

24,106

 

 

 

29,951

 

 

 

54,057

 

 

 

 

 

 

2021

Subtotal Other Americas Markets:

 

7

 

 

 

 

 

43,136

 

 

 

-

 

 

 

47,094

 

 

 

43,136

 

 

 

47,094

 

 

 

90,230

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Europe Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Czech Republic

3

 

 

 

 

 

11,762

 

 

 

-

 

 

 

10,894

 

 

 

11,762

 

 

 

10,894

 

 

 

22,656

 

 

 

 

 

 

 

France

1

 

 

 

 

 

2,988

 

 

 

-

 

 

 

3,156

 

 

 

2,988

 

 

 

3,156

 

 

 

6,144

 

 

 

 

 

 

 

Germany

3

 

 

 

 

 

23,389

 

 

 

-

 

 

 

32,405

 

 

 

23,389

 

 

 

32,405

 

 

 

55,794

 

 

 

 

 

 

 

Hungary

2

 

 

 

 

 

4,389

 

 

 

-

 

 

 

5,993

 

 

 

4,389

 

 

 

5,993

 

 

 

10,382

 

 

 

 

 

 

 

Italy

5

 

 

 

 

 

14,830

 

 

 

-

 

 

 

23,948

 

 

 

14,830

 

 

 

23,948

 

 

 

38,778

 

 

 

 

 

 

 

Netherlands

4

 

 

 

 

 

23,989

 

 

 

-

 

 

 

67,407

 

 

 

23,989

 

 

 

67,407

 

 

 

91,396

 

 

 

 

 

 

2021

Poland

1

 

 

 

 

 

1,985

 

 

 

-

 

 

 

7,149

 

 

 

1,985

 

 

 

7,149

 

 

 

9,134

 

 

 

 

 

 

 

Sweden

1

 

 

 

 

 

1,857

 

 

 

-

 

 

 

229

 

 

 

1,857

 

 

 

229

 

 

 

2,086

 

 

 

 

 

 

 

U.K.

12

 

 

 

 

 

240,561

 

 

 

-

 

 

 

74,203

 

 

 

240,561

 

 

 

74,203

 

 

 

314,764

 

 

 

 

 

 

2021

Subtotal Europe Markets:

 

32

 

 

 

 

 

325,750

 

 

 

-

 

 

 

225,384

 

 

 

325,750

 

 

 

225,384

 

 

 

551,134

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Asia Markets

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Japan

 

8

 

 

 

 

 

179,710

 

 

 

-

 

 

 

537,085

 

 

 

179,710

 

 

 

537,085

 

 

 

716,795

 

 

 

 

 

 

2021

Subtotal Asia Markets:

 

8

 

 

 

 

 

179,710

 

 

 

-

 

 

 

537,085

 

 

 

179,710

 

 

 

537,085

 

 

 

716,795

 

 

 

 

 

 

 

Total Development Portfolio

 

99

 

 

 

 

 

1,191,610

 

 

 

-

 

 

 

1,537,730

 

 

 

1,191,610

 

 

 

1,537,730

 

 

 

2,729,340

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GRAND TOTAL

 

2,409

 

 

 

 

 

12,818,847

 

 

 

24,927,521

 

 

 

9,436,732

 

 

 

13,485,856

 

 

 

33,697,244

 

 

 

47,183,100

 

 

 

(7,451,382

)

 

 

 

Schedule III – Footnotes

 

(a)

The following table reconciles real estate assets per Schedule III to the Consolidated Balance Sheets in Item 8. Financial Statements and Supplementary Data at December 31, 2021 (in thousands):

 

 

Total operating properties and development portfolio per Schedule III

 

$

47,183,100

 

(g)

 

Land

 

 

2,519,590

 

 

 

Other real estate investments (i)

 

 

3,302,500

 

 

 

Total per Consolidated Balance Sheets

 

$

53,005,190

 

 

 

 

(i)

Other real estate investments includes non-strategic real estate assets acquired that we do not intend to operate long-term at December 31, 2021.

 

 

(b)

The aggregate cost for federal tax purposes at December 31, 2021, of our real estate assets was approximately $40 billion (unaudited).

 

(c)

Real estate assets (excluding land balances) are depreciated over their estimated useful lives. These useful lives are generally 5 to 7 years for capital improvements, 10 years for standard tenant improvements, 15 to 25 years for depreciable land improvements, 25 to 35 years for operating properties acquired based on the age of the building and 40 years for operating properties we develop.

 

The following table reconciles accumulated depreciation per Schedule III to the Consolidated Balance Sheets in Item 8. Financial Statements and Supplementary Data at December 31, 2021 (in thousands):

 

 

Total accumulated depreciation per Schedule III

 

$

7,451,382

 

(g)

 

Accumulated depreciation on other real estate investments

 

 

216,805

 

 

 

Total per Consolidated Balance Sheets

 

$

7,668,187

 

 

 

(d)

Properties with an aggregate undepreciated cost of $1.3 billion secure $397.2 million of mortgage notes. See Note 8 to the Consolidated Financial Statements in Item 8. Financial Statements and Supplementary Data for more information related to our secured mortgage debt.

 

(e)

Assessment bonds of $9.6 million are secured by assessments (similar to property taxes) on various underlying real estate properties with an aggregate undepreciated cost of $638.7 million. The assessment bonds are included in term loans and unsecured other debt in Note 8 to the Consolidated Financial Statements in Item 8. Financial Statements and Supplementary Data.

 

(f)

Date of construction is provided for properties in the development portfolio that were completed but not yet stabilized.

 

(g)

The following table summarizes our real estate assets and accumulated depreciation per Schedule III for the years ended December 31 (in thousands):

 

 

 

 

2021

 

 

2020

 

 

2019

 

 

Real estate assets:

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance at beginning of year

 

$

45,390,230

 

 

$

33,157,100

 

 

$

32,774,956

 

 

Acquisitions of and improvements to operating properties, development

     activity and net effect of changes in foreign exchange rates and other

 

 

3,351,730

 

 

 

13,985,898

 

 

 

2,821,919

 

 

Basis of operating properties disposed of

 

 

(1,589,527

)

 

 

(1,045,128

)

 

 

(1,471,764

)

 

Change in the development portfolio balance, including the acquisition of

     properties

 

 

846,729

 

 

 

13,345

 

 

 

(273,534

)

 

Assets transferred to held for sale and contribution

 

 

(816,062

)

 

 

(720,985

)

 

 

(694,477

)

 

Balance at end year

 

$

47,183,100

 

 

$

45,390,230

 

 

$

33,157,100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated depreciation:

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance at beginning of year

 

$

6,370,341

 

 

$

5,294,212

 

 

$

4,550,958

 

 

Depreciation expense

 

 

1,143,758

 

 

 

1,112,075

 

 

 

843,872

 

 

Balances retired upon disposition of operating properties and net effect of

     changes in foreign exchange rates and other

 

 

(42,483

)

 

 

(35,083

)

 

 

(77,583

)

 

Assets transferred to held for sale and contribution

 

 

(20,234

)

 

 

(863

)

 

 

(23,035

)

 

Balance at end of year

 

$

7,451,382

 

 

$

6,370,341

 

 

$

5,294,212