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Buildings and Size Data by Basic Characteristics for Office Buildings
 
Number of Buildings (thousand)
Percent of Buildings
Floorspace (million square feet)
Percent of Floorspace
Square Feet per Building (thousand)
           
All Office Buildings
739
100
12,044
100
16.3
           
Building Floorspace (Square Feet)          
1,001 to 5,000
422
57
1,212
10
2.9
5,001 to 10,000
141
19
1,063
9
7.6
10,001 to 25,000
95
13
1,486
12
15.7
25,001 to 50,000
33
4
1,191
10
36.4
50,001 to 100,000
29
4
1,951
16
67.6
100,001 to 200,000
13
2
1,717
14
136.2
200,001 to 500,000
5
1
1,560
13
304.6
Over 500,000
2
0
1,864
15
925.9
           
Year Constructed          
1919 or Before
72
10
702
6
9.7
1920 to 1945
55
7
1,051
9
19
1946 to 1959
96
13
1,155
10
12
1960 to 1969
96
13
1,685
14
17.5
1970 to 1979
115
16
2,036
17
17.8
1980 to 1989
169
23
3,586
30
21.2
1990 to 1999
135
18
1,830
15
13.5
           
Floors          
One
393
53
2,289
19
5.8
Two
214
29
2,315
19
10.8
Three
64
9
1,682
14
26.3
Four to Nine
61
8
3,187
26
52.2
Ten or More
7
1
2,571
21
353.6
           
Census Region and Division          
Northeast
102
14
2,389
20
23.4
—New England
47
6
849
7
18
—Middle Atlantic
55
7
1,540
13
28.1
Midwest
172
23
2,820
23
16.4
—East North Central
117
16
1,777
15
15.2
—West North Central
56
8
1,043
9
18.8
South
315
43
4,162
35
13.2
—South Atlantic
163
22
2,311
19
14.2
—East South Central
77
10
696
6
9
—West South Central
75
10
1,155
10
15.5
West
150
20
2,672
22
17.9
—Mountain
43
6
760
6
17.8
—Pacific
107
14
1,913
16
17.9
           
Ownership and Occupancy          
Nongovernment Owned
685
93
10,482
87
15.3
—Owner Occupied
476
64
7,435
62
15.6
—Nonowner Occupied
209
28
3,047
25
14.5
Government Owned
54
7
1,562
13
29.1
—Federal
Q
Q
600
5
Q
—State
6
1
380
3
60.9
—Local
37
5
582
5
15.9
           
Number of Establishments          
One
475
64
5,073
42
10.7
2 to 5
206
28
2,502
21
12.2
6 to 10
34
5
1,369
11
40.2
11 to 20
17
2
1,395
12
83.7
More than 20
8
1
1,705
14
219.9
           
Multibuilding Facility          
Not on a Multibuilding Facility
509
69
7,275
60
14.3
College or University
Q
Q
201
2
16.5
Primary or Secondary School
Q
Q
Q
Q
Q
Office Complex
96
13
2,907
24
30.2
Retail Complex
Q
Q
Q
Q
Q
Religious Campus or Complex
Q
Q
Q
Q
Q
Health Care Complex
24
3
343
3
14.3
Government Complex
7
1
524
4
71.5
Other
38
5
552
5
14.
Q=Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.
Source: Energy Information Administration, 1999 Commercial Buildings Energy Consumption Survey.

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Establishment, Employment and Age Data by Basic Characteristics for Office Buildings
 
Establishments per Building
Total Employees (thousand)
Employees per Building
Square Feet per Employee
Median Age of Building (years)
 
All Office Buildings
2.6
28,969
39
416
24.5
           
Building Floorspace (Square Feet)          
1,001 to 5,000
1.5
2,675
6
453
25.5
5,001 to 10,000
2.4
2,327
17
457
26.5
10,001 to 25,000
2.7
3,008
32
494
24.5
25,001 to 50,000
6.2
2,854
87
417
19.5
50,001 to 100,000
6.9
5,153
179
379
23.5
100,001 to 200,000
10.5
4,082
324
421
19.5
200,001 to 500,000
18
4,518
882
345
23.5
Over 500,000
24.8
4,351
2,162
428
24.5
           
Year Constructed          
1919 or Before
2.2
1,353
19
518
100.5
1920 to 1945
2.7
1,885
34
558
65.5
1946 to 1959
1.6
2,963
31
390
47.5
1960 to 1969
2
3,561
37
473
34.5
1970 to 1979
2.7
4,827
42
422
24.5
1980 to 1989
3.7
9,821
58
365
14.5
1990 to 1999
2.3
4,560
34
401
7.5
           
Floors          
One
1.7
5,288
13
433
19.5
Two
2.6
5,695
27
406
33.5
Three
2.4
3,150
49
534
51.5
Four to Nine
5.1
8,177
134
390
63.5
Ten or More
25.2
6,658
915
386
29.5
           
Census Region and Division          
Northeast
2.8
4,956
49
482
25.5
—New England
2.5
1,405
30
605
31.5
—Middle Atlantic
3
3,551
65
434
17.5
Midwest
2.6
6,707
39
421
39.5
—East North Central
2.6
4,019
34
442
49.5
—West North Central
2.7
2,688
48
388
23.5
South
2.2
10,214
32
408
21.5
—South Atlantic
2.3
5,958
37
388
15.5
—East South Central
1.8
1,554
20
448
15.5
—West South Central
2.5
2,701
36
428
22.5
West
3
7,092
47
377
27.5
—Mountain
2.5
1,968
46
386
21.5
—Pacific
3.2
5,124
48
373
27.5
           
Ownership and Occupancy          
Nongovernment Owned
2.6
25,239
37
415
24.5
—Owner Occupied
2.5
17,756
37
419
27.5
—Nonowner Occupied
2.9
7,483
36
407
21.5
Government Owned
1.8
3,729
69
419
36.5
—Federal
Q
1,663
Q
361
6.5
—State
3
940
151
404
36.5
—Local
1.6
1,126
31
517
39.5
           
Number of Establishments          
One
1
12,245
26
414
30.5
2 to 5
3
5,683
28
440
22.5
6 to 10
7.3
3,110
91
440
14.5
11 to 20
15.6
3,389
203
412
19.5
More than 20
37.9
4,541
585
376
25.5
           
Multibuilding Facility          
Not on a Multibuilding Facility
2.5
16,488
32
441
27.5
College or University
1.4
419
34
479
39.5
Primary or Secondary School
Q
Q
Q
Q
43.5
Office Complex
3.5
8,094
84
359
13.5
Retail Complex
Q
Q
Q
Q
25.5
Religious Campus or Complex
Q
Q
Q
Q
42.5
Health Care Complex
2.8
784
33
437
12.5
Government Complex
2.2
1,431
195
366
37.5
Other
2.5
1,022
27
540
46.5
Q=Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.
Source: Energy Information Administration, 1999 Commercial Buildings Energy Consumption Survey.

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Specific questions may be directed to:

Joelle Michaels
joelle.michaels@eia.doe.gov
CBECS Manager
Phone: (202) 586-8952
FAX: (202) 586-0018

Release date: July 24, 2002
Page last modified: January 3, 2003 2:12 PM
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