XML 63 R43.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Schedule III - Real Estate and Accumulated Depreciation
12 Months Ended
Dec. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]  
Schedule III - Real Estate and Accumulated Depreciation
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION
December 31, 2019
 
 
Initial Cost
 
 
 
Gross Amounts at Which
Carried at Close of Period
 
 
 
 
 
 
 
 
Property Location
 
Encumb-
rances
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Total
 
Accumulated
Depreciation
 
Depreci-
ation
Life (1)
 
Date of
Acquisition
(A)/
Construction
(C) (2)
 
Rentable
Square
Feet (3)
(unaudited)
 
 
($ in thousands)
Office Properties:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3077-3243 S. La Cienega Blvd., Culver City, CA
 
 
 
$
150,718

 
$
31,032

 
$
2

 
$
150,718

 
$
31,034

 
$
181,752

 
$
1,227

 
35
 
2019

A
151,908

2240 E. Imperial Highway, El Segundo, CA
 
 
 
1,044

 
11,763

 
29,542

 
1,048

 
41,301

 
42,349

 
26,943

 
35
 
1983

C
122,870

2250 E. Imperial Highway, El Segundo, CA
 
 
 
2,579

 
29,062

 
36,294

 
2,547

 
65,388

 
67,935

 
54,789

 
35
 
1983

C
298,728

2260 E. Imperial Highway, El Segundo, CA
 
 
 
2,518

 
28,370

 
36,764

 
2,547

 
65,105

 
67,652

 
16,320

 
35
 
1983

C
298,728

909 N. Pacific Coast Highway, El Segundo, CA
 
 
 
3,577

 
34,042

 
50,104

 
3,577

 
84,146

 
87,723

 
41,765

 
35
 
2005

C
244,136

999 N. Pacific Coast Highway, El Segundo, CA
 
 
 
1,407

 
34,326

 
16,897

 
1,407

 
51,223

 
52,630

 
25,350

 
35
 
2003

C
128,588

6115 W. Sunset Blvd., Los Angeles, CA (4)
 
 
 
1,313

 
3

 
16,436

 
2,455

 
15,297

 
17,752

 
2,165

 
35
 
2015

C
26,105

6121 W. Sunset Blvd., Los Angeles, CA (4)
 
 
 
11,120

 
4,256

 
43,971

 
8,703

 
50,644

 
59,347

 
7,262

 
35
 
2015

C
91,173

1525 N. Gower St., Los Angeles, CA (4)
 
 
 
1,318

 
3

 
9,641

 
1,318

 
9,644

 
10,962

 
1,206

 
35
 
2016

C
9,610

1575 N. Gower St., Los Angeles, CA (4)
 
 
 
22,153

 
51

 
119,460

 
22,153

 
119,511

 
141,664

 
11,813

 
35
 
2016

C
251,245

1500 N. El Centro Ave., Los Angeles, CA (4)
 
 
 
9,235

 
21

 
58,603

 
9,235

 
58,624

 
67,859

 
6,208

 
35
 
2016

C
104,504

1550 N. El Centro Ave., Los Angeles, CA (4) (5)
 
 
 
16,970

 
39

 
135,847

 
16,970

 
135,886

 
152,856

 
13,895

 
35
 
2016

C

6255 W. Sunset Blvd., Los Angeles, CA
 
 
 
18,111

 
60,320

 
46,112

 
18,111

 
106,432

 
124,543

 
35,548

 
35
 
2012

A
323,920

3750 Kilroy Airport Way, Long Beach, CA
 
 
 

 
1,941

 
11,610

 

 
13,551

 
13,551

 
10,822

 
35
 
1989

C
10,457

3760 Kilroy Airport Way, Long Beach, CA
 
 
 

 
17,467

 
14,902

 

 
32,369

 
32,369

 
26,878

 
35
 
1989

C
165,278

3780 Kilroy Airport Way, Long Beach, CA
 
 
 

 
22,319

 
26,442

 

 
48,761

 
48,761

 
39,320

 
35
 
1989

C
221,452

3800 Kilroy Airport Way, Long Beach, CA
 
 
 

 
19,408

 
21,806

 

 
41,214

 
41,214

 
24,877

 
35
 
2000

C
192,476

3840 Kilroy Airport Way, Long Beach, CA
 
 
 

 
13,586

 
10,666

 

 
24,252

 
24,252

 
16,162

 
35
 
1999

C
136,026

3880 Kilroy Airport Way, Long Beach, CA
 
 
 

 
9,704

 
11,463

 

 
21,167

 
21,167

 
4,517

 
35
 
1997

A
96,035

3900 Kilroy Airport Way, Long Beach, CA
 
 
 

 
12,615

 
12,433

 

 
25,048

 
25,048

 
18,248

 
35
 
1997

A
129,893

Kilroy Airport Center, Phase IV, Long Beach, CA (6)
 
 
 

 

 
4,997

 

 
4,997

 
4,997

 
4,997

 
35
 



8560 W. Sunset Blvd., West Hollywood, CA
 
 
 
9,720

 
50,956

 
1,587

 
9,720

 
52,543

 
62,263

 
6,289

 
35
 
2016

A
71,875

8570 W Sunset Blvd., West Hollywood, CA
 
 
 
31,693

 
27,974

 
4,589

 
31,693

 
32,563

 
64,256

 
3,090

 
35
 
2016

A
43,603

8580 W. Sunset Blvd., West Hollywood, CA
 
 
 
10,013

 
3,695

 
648

 
10,013

 
4,343

 
14,356

 
392

 
35
 
2016

A
7,126

8590 W. Sunset Blvd., West Hollywood, CA
 
 
 
39,954

 
27,884

 
5,192

 
39,954

 
33,076

 
73,030

 
3,370

 
35
 
2016

A
56,095

12100 W. Olympic Blvd., Los Angeles, CA
 
$
170,000

(7)
352

 
45,611

 
18,617

 
9,633

 
54,947

 
64,580

 
29,197

 
35
 
2003

C
152,048

12200 W. Olympic Blvd., Los Angeles, CA
 
 
(7)
4,329

 
35,488

 
24,224

 
3,977

 
60,064

 
64,041

 
39,654

 
35
 
2000

C
150,832

12233 W. Olympic Blvd., Los Angeles, CA
 
 
 
22,100

 
53,170

 
4,676

 
22,100

 
57,846

 
79,946

 
14,055

 
35
 
2012

A
151,029

12312 W. Olympic Blvd., Los Angeles, CA
 
 
(7)
3,325

 
12,202

 
12,346

 
3,399

 
24,474

 
27,873

 
13,463

 
35
 
1997

A
76,644

1633 26th St., Santa Monica, CA
 
 
 
2,080

 
6,672

 
3,581

 
2,040

 
10,293

 
12,333

 
7,177

 
35
 
1997

A
43,857

2100/2110 Colorado Ave., Santa Monica, CA
 
 
 
5,474

 
26,087

 
14,678

 
5,476

 
40,763

 
46,239

 
25,730

 
35
 
1997

A
102,864

3130 Wilshire Blvd., Santa Monica, CA
 
 
 
8,921

 
6,579

 
16,799

 
9,188

 
23,111

 
32,299

 
15,989

 
35
 
1997

A
90,074

501 Santa Monica Blvd., Santa Monica, CA
 
 
 
4,547

 
12,044

 
15,889

 
4,551

 
27,929

 
32,480

 
17,346

 
35
 
1998

A
76,803

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2019
 
 
Initial Cost
 
 
 
Gross Amounts at Which
Carried at Close of Period
 
 
 
 
 
 
 
 
Property Location
 
Encumb-
rances
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Total
 
Accumulated
Depreciation
 
Depreci-
ation
Life (1)
 
Date of
Acquisition
(A)/
Construction
(C) (2)
 
Rentable
Square
Feet (3)
(unaudited)
 
 
($ in thousands)
12225 El Camino Real, Del Mar, CA
 
 
 
1,700

 
9,633

 
3,714

 
1,673

 
13,374

 
15,047

 
9,224

 
35
 
1998
A
58,401

12235 El Camino Real, Del Mar, CA
 
 
 
1,507

 
8,543

 
9,022

 
1,540

 
17,532

 
19,072

 
10,435

 
35
 
1998
A
53,751

12340 El Camino Real, Del Mar, CA
 
 
 
4,201

 
13,896

 
11,660

 
4,201

 
25,556

 
29,757

 
12,128

 
35
 
2002
C
89,272

12390 El Camino Real, Del Mar, CA
 
 
 
3,453

 
11,981

 
8,804

 
3,453

 
20,785

 
24,238

 
9,540

 
35
 
2000
C
70,140

12348 High Bluff Dr., Del Mar, CA
 
 
 
1,629

 
3,096

 
6,323

 
1,629

 
9,419

 
11,048

 
6,636

 
35
 
1999
C
38,806

12400 High Bluff Dr., Del Mar, CA
 
 
 
15,167

 
40,497

 
14,473

 
15,167

 
54,970

 
70,137

 
28,866

 
35
 
2004
C
209,220

3579 Valley Centre Dr., Del Mar, CA
 
 
 
2,167

 
6,897

 
7,628

 
2,858

 
13,834

 
16,692

 
10,015

 
35
 
1999
C
54,960

3611 Valley Centre Dr., Del Mar, CA
 
 
 
4,184

 
19,352

 
19,881

 
5,259

 
38,158

 
43,417

 
25,713

 
35
 
2000
C
129,656

3661 Valley Centre Dr., Del Mar, CA
 
 
 
4,038

 
21,144

 
18,843

 
4,725

 
39,300

 
44,025

 
22,291

 
35
 
2001
C
128,364

3721 Valley Centre Dr., Del Mar, CA
 
 
 
4,297

 
18,967

 
14,705

 
4,254

 
33,715

 
37,969

 
17,509

 
35
 
2003
C
115,193

3811 Valley Centre Dr., Del Mar, CA
 
 
 
3,452

 
16,152

 
20,234

 
4,457

 
35,381

 
39,838

 
22,848

 
35
 
2000
C
112,067

12770 El Camino Real, Del Mar, CA
 
 
 
9,360

 

 
33,708

 
9,360

 
33,708

 
43,068

 
3,281

 
35
 
2015
C
73,032

12780 El Camino Real, Del Mar, CA
 
 
 
18,398

 
54,954

 
19,637

 
18,398

 
74,591

 
92,989

 
15,891

 
35
 
2013
A
140,591

12790 El Camino Real, Del Mar, CA
 
 
 
10,252

 
21,236

 
1,915

 
10,252

 
23,151

 
33,403

 
5,768

 
35
 
2013
A
78,836

3745 Paseo Place, Del Mar, CA (Retail) (8)
 
 
 
24,358

 

 
71,800

 
24,358

 
71,800

 
96,158

 
1,683

 
35
 
2019
C

3200 Paseo Village Way, San Diego, CA (Resi Phase I) (9)
 
 
 
40,186

 

 
102,749

 
40,186

 
102,749

 
142,935

 
937

 
35
 
2019
C

13280 Evening Creek Dr. South, I-15 Corridor, CA
 
 
 
3,701

 
8,398

 
4,729

 
3,701

 
13,127

 
16,828

 
5,809

 
35
 
2008
C
41,196

13290 Evening Creek Dr. South, I-15 Corridor, CA
 
 
 
5,229

 
11,871

 
6,128

 
5,229

 
17,999

 
23,228

 
6,797

 
35
 
2008
C
61,180

13480 Evening Creek Dr. South, I-15 Corridor, CA
 
 
 
7,997

 

 
52,826

 
7,997

 
52,826

 
60,823

 
20,167

 
35
 
2008
C
154,157

13500 Evening Creek Dr. South, I-15 Corridor, CA
 
 
 
7,581

 
35,903

 
18,106

 
7,581

 
54,009

 
61,590

 
22,402

 
35
 
2004
A
137,658

13520 Evening Creek Dr. South, I-15 Corridor, CA
 
 
 
7,580

 
35,903

 
17,778

 
7,580

 
53,681

 
61,261

 
24,885

 
35
 
2004
A
146,701

2305 Historic Decatur Rd., Point Loma, CA
 
 
 
5,240

 
22,220

 
7,309

 
5,240

 
29,529

 
34,769

 
10,801

 
35
 
2010
A
107,456

4690 Executive Dr., University Towne Centre, CA
 
 
 
1,623

 
7,926

 
3,722

 
1,623

 
11,648

 
13,271

 
7,829

 
35
 
1999
A
47,846

4100 Bohannon Dr., Menlo Park, CA
 
 
(10)
4,835

 
15,526

 
567

 
4,860

 
16,068

 
20,928

 
4,557

 
35
 
2012
A
47,379

4200 Bohannon Dr., Menlo Park, CA
 
 
(10)
4,798

 
15,406

 
3,703

 
4,662

 
19,245

 
23,907

 
5,788

 
35
 
2012
A
45,451

4300 Bohannon Dr., Menlo Park, CA
 
 
(10)
6,527

 
20,958

 
3,248

 
6,470

 
24,263

 
30,733

 
7,803

 
35
 
2012
A
63,079

4400 Bohannon Dr., Menlo Park, CA
 
 
(10)
4,798

 
15,406

 
2,905

 
4,939

 
18,170

 
23,109

 
5,779

 
35
 
2012
A
48,146

4500 Bohannon Dr., Menlo Park, CA
 
 
(10)
6,527

 
20,957

 
3,422

 
6,470

 
24,436

 
30,906

 
6,552

 
35
 
2012
A
63,078

4600 Bohannon Dr., Menlo Park, CA
 
 
(10)
4,798

 
15,406

 
3,571

 
4,939

 
18,836

 
23,775

 
5,660

 
35
 
2012
A
48,147

4700 Bohannon Dr., Menlo Park, CA
 
 
(10)
6,527

 
20,958

 
1,488

 
6,470

 
22,503

 
28,973

 
6,326

 
35
 
2012
A
63,078

1290 - 1300 Terra Bella Ave., Mountain View, CA
 
 
 
28,730

 
27,555

 
61

 
28,730

 
27,616

 
56,346

 
4,809

 
35
 
2016
A
114,175

331 Fairchild Dr., Mountain View, CA
 
 
 
18,396

 
17,712

 
7,962

 
18,396

 
25,674

 
44,070

 
5,575

 
35
 
2013
C
87,147

680 E. Middlefield Rd., Mountain View, CA
 
 
 
34,605

 

 
56,470

 
34,605

 
56,470

 
91,075

 
9,813

 
35
 
2014
C
170,090

690 E. Middlefield Rd., Mountain View, CA
 
 
 
34,755

 

 
56,713

 
34,755

 
56,713

 
91,468

 
9,855

 
35
 
2014
C
170,823

1701 Page Mill Rd., Palo Alto, CA
 
 
 

 
99,522

 
30

 

 
99,552

 
99,552

 
9,002

 
35
 
2016
A
128,688

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2019
 
 
Initial Cost
 
 
 
Gross Amounts at Which
Carried at Close of Period
 
 
 
 
 
 
 
 
Property Location
 
Encumb-
rances
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement
 
Land and improve-
ments
 
Buildings
and
Improve-
ments
 
Total
 
Accumulated
Depreciation
 
Depreci-
ation
Life (1)
 
Date of
Acquisition
(A)/
Construction
(C) (2)
 
Rentable
Square
Feet (3)
(unaudited)
 
 
($ in thousands)
3150 Porter Dr., Palo Alto, CA
 
 
 

 
21,715

 
4

 

 
21,719

 
21,719

 
2,387

 
35
 
2016
A
36,897

900 Jefferson Ave., Redwood City, CA (11)
 
 
 
16,668

 

 
109,375

 
18,063

 
107,980

 
126,043

 
15,824

 
35
 
2015
C
228,505

900 Middlefield Rd., Redwood City, CA (11)
 
 
 
7,959

 

 
50,114

 
8,626

 
49,447

 
58,073

 
6,941

 
35
 
2015
C
118,764

303 Second St., San Francisco, CA (12)
 
 
 
63,550

 
154,153

 
84,572

 
63,550

 
238,725

 
302,275

 
83,973

 
35
 
2010
A
784,658

100 First St., San Francisco, CA (13)
 
 
 
49,150

 
131,238

 
64,883

 
49,150

 
196,121

 
245,271

 
62,989

 
35
 
2010
A
467,095

250 Brannan St., San Francisco, CA
 
 
 
7,630

 
22,770

 
9,932

 
7,630

 
32,702

 
40,332

 
10,651

 
35
 
2011
A
100,850

201 Third St., San Francisco, CA
 
 
 
19,260

 
84,018

 
66,962

 
19,260

 
150,980

 
170,240

 
55,837

 
35
 
2011
A
346,538

301 Brannan St., San Francisco, CA
 
 
 
5,910

 
22,450

 
8,174

 
5,910

 
30,624

 
36,534

 
10,091

 
35
 
2011
A
82,834

360 Third St., San Francisco, CA
 
 
 

 
88,235

 
121,323

 
28,504

 
181,054

 
209,558

 
46,907

 
35
 
2011
A
429,796

333 Brannan St., San Francisco, CA
 
 
 
18,645

 

 
81,016

 
18,645

 
81,016

 
99,661

 
8,826

 
35
 
2016
C
185,602

350 Mission St., San Francisco, CA
 
 
 
52,815

 

 
213,450

 
52,815

 
213,450

 
266,265

 
24,500

 
35
 
2016
C
455,340

100 Hooper St., San Francisco, CA
 
 
 
78,564

 

 
196,251

 
88,510

 
186,305

 
274,815

 
5,978

 
35
 
2018
C
394,340

345 Brannan St., San Francisco, CA
 
 
 
29,405

 
113,179

 
1,322

 
29,403

 
114,503

 
143,906

 
3,697

 
35
 
2018
A
110,050

345 Oyster Point Blvd., South San Francisco, CA
 
 
 
13,745

 
18,575

 
1

 
13,745

 
18,576

 
32,321

 
1,167

 
35
 
2018
A
40,410

347 Oyster Point Blvd., South San Francisco, CA
 
 
 
14,071

 
18,289

 
44

 
14,071

 
18,333

 
32,404

 
1,150

 
35
 
2018
A
39,780

349 Oyster Point Blvd., South San Francisco, CA
 
 
 
23,112

 
22,601

 
324

 
23,112

 
22,925

 
46,037

 
1,926

 
35
 
2018
A
65,340

505 Mathilda Ave., Sunnyvale, CA
 
 
 
37,843

 
1,163

 
50,450

 
37,943

 
51,513

 
89,456

 
7,827

 
35
 
2014
C
212,322

555 Mathilda Ave., Sunnyvale, CA
 
 
 
37,843

 
1,163

 
50,447

 
37,943

 
51,510

 
89,453

 
7,827

 
35
 
2014
C
212,322

605 Mathilda Ave., Sunnyvale, CA
 
 
 
29,014

 
891

 
77,281

 
29,090

 
78,096

 
107,186

 
17,289

 
35
 
2014
C
162,785

599 Mathilda Ave., Sunnyvale, CA
 
 
 
13,538

 
12,559

 
139

 
13,538

 
12,698

 
26,236

 
4,147

 
35
 
2012
A
76,031

1800 Owens St., San Francisco, CA (14)
 
 
 
95,388

 

 
428,066

 
95,388

 
428,066

 
523,454

 
4,467

 
35
 
2019
C

601 108th Ave., Bellevue, WA
 
 
 

 
214,095

 
38,536

 

 
252,631

 
252,631

 
79,397

 
35
 
2011
A
488,470

10900 NE 4th St., Bellevue, WA
 
 
 
25,080

 
150,877

 
40,547

 
25,080

 
191,424

 
216,504

 
54,159

 
35
 
2012
A
428,557

837 N. 34th St., Lake Union, WA
 
 
 

 
37,404

 
4,950

 

 
42,354

 
42,354

 
11,132


35
 
2012
A
112,487

701 N. 34th St., Lake Union, WA
 
 
 

 
48,027

 
8,226

 

 
56,253

 
56,253

 
15,982


35
 
2012
A
141,860

801 N. 34 St., Lake Union, WA
 
 
 

 
58,537

 
17,222

 

 
75,759

 
75,759

 
16,318

 
35
 
2012
A
169,412

320 Westlake Ave. North, WA
 
89,502

(15)
14,710

 
82,018

 
14,378

 
14,710

 
96,396

 
111,106

 
19,817

 
35
 
2013
A
184,644

321 Terry Avenue North, Lake Union, WA
 
 
(15)
10,430

 
60,003

 
10,321

 
10,430

 
70,324

 
80,754

 
15,561

 
35
 
2013
A
135,755

401 Terry Avenue North, Lake Union, WA
 
 
 
22,500

 
77,046

 
13

 
22,500

 
77,059

 
99,559

 
15,556

 
35
 
2014
A
140,605

TOTAL OPERATING PROPERTIES
 
259,502

 
1,413,997

 
2,717,671

 
3,200,975

 
1,466,166

65

5,866,477

 
7,332,643

 
1,561,361

 
 
 
 
 
13,475,795

Undeveloped land and construction in progress
 

 
1,058,176

 

 
1,237,954

 
1,058,176

 
1,237,954

 
2,296,130

 

 
 
 
 
 

TOTAL ALL PROPERTIES
 
$
259,502

(16)
$
2,472,173

 
$
2,717,671

 
$
4,438,929

 
$
2,524,342

 
$
7,104,432

 
$
9,628,773

 
$
1,561,361

 
 
 
 
 
13,475,795


KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2019
__________________
(1)
The initial costs of buildings and improvements are depreciated over 35 years using a straight-line method of accounting; improvements capitalized subsequent to acquisition are depreciated over the shorter of the lease term or useful life, generally ranging from one to 20 years.
(2)
Represents our date of construction or acquisition, or of our predecessor, the Kilroy Group.
(3)
Includes square footage from our stabilized portfolio.
(4)
These properties include the costs of a shared parking structure for a complex comprised of five office buildings and one residential tower. The costs of the parking structure are allocated amongst the six buildings.
(5)
This property represents the 200-unit Columbia Square - Residential tower that stabilized in 2016.
(6)
These costs represent infrastructure costs incurred in 1989. During the third quarter of 2009, we exercised our option to terminate the ground lease at Kilroy Airport Center, Phase IV in Long Beach, California. We had previously leased this land, which is adjacent to our Office Properties at Kilroy Airport Center, Long Beach, for potential future development opportunities.
(7)
These properties secure a $170.0 million mortgage note.
(8)
This property is currently in the tenant improvement phase of our in-process development projects and not yet in the stabilized portfolio. The estimated rentable square feet for this property is 96,000 rentable square feet.
(9)
This property represents the first completed phase of the One Paseo residential property containing 237 units.
(10)
These properties secure intercompany promissory notes between KRLP and the consolidated property partnerships.
(11)
These properties are owned by Redwood City Partners LLC, a consolidated property partnership.
(12)
This property is owned by 303 Second Street Member LLC, a consolidated property partnership.
(13)
This property is owned by 100 First Street Member LLC, a consolidated property partnership.
(14)
This property is currently in the tenant improvement phase of our in-process development projects and not yet in the stabilized portfolio. The estimated rentable square feet for this property is 750,000 rentable square feet.
(15)
These properties secure a $89.5 million mortgage note.
(16)
Represents gross aggregate principal amount before the effect of the deferred financing costs of $0.9 million as of December 31, 2019.units.
As of December 31, 2019, the aggregate gross cost of property included above for federal income tax purposes approximated $7.9 billion. This amount excludes approximately $0.2 billion of gross costs attributable to properties held in VIEs at December 31, 2019 to facilitate potential future Section 1031 Exchanges.

The following table reconciles the historical cost of total real estate held for investment from January 1, 2017 to December 31, 2019:

 
Year Ended December 31,
 
2019
 
2018 (1)
 
2017
 
(in thousands)
Total real estate held for investment, beginning of year
$
8,426,632

 
$
7,417,777

 
$
7,060,754

Additions during period:
 
 
 
 
 
Acquisitions
460,512

 
581,671

 
19,829

Improvements, etc.  
890,654

 
724,016

 
533,939

Total additions during period
1,351,166

 
1,305,687

 
553,768

Deductions during period:
 
 
 
 
 
Cost of real estate sold
(120,788
)
 
(286,623
)
 
(191,610
)
Other
(28,237
)
 
(10,209
)
 
(5,135
)
Total deductions during period
(149,025
)
 
(296,832
)
 
(196,745
)
Total real estate held for investment, end of year
$
9,628,773

 
$
8,426,632

 
$
7,417,777

__________________
(1)
Amounts presented in Improvements, etc. and Other have been revised for the year ended December 31, 2018 to conform to the current year presentation with amounts transferred from undeveloped land and construction in progress to land and improvements and buildings and improvements presented on a net basis, which did not have any impact on total real estate held for investment at December 31, 2018.

The following table reconciles the accumulated depreciation from January 1, 2017 to December 31, 2019:

 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(in thousands)
Accumulated depreciation, beginning of year
$
1,391,368

 
$
1,264,162

 
$
1,139,853

Additions during period:
 
 
 
 
 
Depreciation of real estate
211,893

 
198,578

 
190,515

Total additions during period
211,893

 
198,578

 
190,515

Deductions during period:
 
 
 
 
 
Write-offs due to sale
(41,655
)
 
(71,372
)
 
(66,206
)
Properties held for sale

 

 

Other
(245
)
 

 

Total deductions during period
(41,900
)
 
(71,372
)
 
(66,206
)
Accumulated depreciation, end of year
$
1,561,361

 
$
1,391,368

 
$
1,264,162