v3.25.4
Schedule III - Real Estate and Accumulated Depreciation
 12 Months Ended
Dec. 31, 2025
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, 2025
 Initial CostGross Amounts at Which
Carried at Close of Period
Property LocationEncumb-
rances		Land and Improve-
ments		Buildings
and
Improve-
ments		Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement		Land and Improve-
ments		Buildings
and
Improve-
ments		TotalAccumulated
Depreciation
Depreci-
ation
Life (1)
Date of
Acquisition
(A)/
Construction
(C) (2)
Rentable
Square
Feet (3)
(unaudited)
 ($ in thousands)
Commercial Real Estate Properties:
335 - 345 N. Maple Dr., Beverly Hills, CA (4)
$28,986 $154,148 $305 $28,986 $154,453 $183,439 $2,356 352025A306,366 
3101 - 3243 S. La Cienega Blvd., Culver City, CA150,718 31,033 8,524 150,718 39,557 190,275 29,276 352019A166,207 
2240 E. Imperial Highway, El Segundo, CA1,044 11,763 30,740 1,048 42,499 43,547 33,616 351983C122,870 
2250 E. Imperial Highway, El Segundo, CA2,579 29,062 38,157 2,547 67,251 69,798 63,889 351983C298,728 
2260 E. Imperial Highway, El Segundo, CA2,518 28,370 38,003 2,547 66,344 68,891 29,746 352012C298,728 
909 N. Pacific Coast Highway, El Segundo, CA3,577 34,042 60,611 3,565 94,665 98,230 61,673 352005C244,880 
999 N. Pacific Coast Highway, El Segundo, CA1,407 34,326 19,308 1,407 53,634 55,041 37,781 352003C138,389 
3750 Kilroy Airport Way, Long Beach, CA— 1,941 13,718 — 15,659 15,659 13,660 351989C10,718 
3760 Kilroy Airport Way, Long Beach, CA— 17,467 24,161 — 41,628 41,628 35,657 351989C166,761 
3780 Kilroy Airport Way, Long Beach, CA— 22,319 41,190 — 63,509 63,509 53,312 351989C221,452 
3800 Kilroy Airport Way, Long Beach, CA— 19,408 25,856 — 45,264 45,264 35,231 352000C192,476 
3840 Kilroy Airport Way, Long Beach, CA— 13,586 33,409 — 46,995 46,995 25,243 351999C138,441 
3880 Kilroy Airport Way, Long Beach, CA— 9,704 18,398 — 28,102 28,102 8,721 352013C96,922 
3900 Kilroy Airport Way, Long Beach, CA— 12,615 23,741 — 36,356 36,356 24,566 351997A130,935 
1350 Ivar Ave., Los Angeles, CA (5)
1,575 — 14,276 1,575 14,276 15,851 2,104 352020C16,448 
1355 Vine St., Los Angeles, CA (5)
17,588 — 120,294 17,588 120,294 137,882 18,232 352020C183,129 
1375 Vine St., Los Angeles, CA (5)
15,578 — 103,368 15,578 103,368 118,946 15,626 352020C159,236 
1395 Vine St., Los Angeles, CA (5)
278 — 3,261 278 3,261 3,539 481 352020C2,575 
1500 N. El Centro Ave., Los Angeles, CA (6)
9,235 21 64,156 9,235 64,177 73,412 21,890 352016C113,447 
1525 N. Gower St., Los Angeles, CA (6)
1,318 3 9,774 1,318 9,777 11,095 3,374 352016C9,610 
1575 N. Gower St., Los Angeles, CA (6)
22,153 51 120,294 22,153 120,345 142,498 33,933 352016C264,430 
6115 W. Sunset Blvd., Los Angeles, CA (6)
1,313 3 17,259 2,455 16,120 18,575 6,235 352015C26,238 
6121 W. Sunset Blvd., Los Angeles, CA (6)
11,120 4,256 42,373 8,703 49,046 57,749 14,678 352015C93,418 
8560 W. Sunset Blvd., West Hollywood, CA9,720 50,956 8,435 9,720 59,391 69,111 19,995 352016A76,359 
8570 W. Sunset Blvd., West Hollywood, CA31,693 27,974 7,277 31,693 35,251 66,944 12,137 352016A49,276 
8580 W. Sunset Blvd., West Hollywood, CA10,013 3,695 1,844 10,013 5,539 15,552 2,047 352016A6,875 
8590 W. Sunset Blvd., West Hollywood, CA39,954 27,884 6,157 39,954 34,041 73,995 11,092 352016A56,750 
12100 W. Olympic Blvd., Los Angeles, CA352 45,611 30,156 9,633 66,486 76,119 41,670 352003C155,679 
12200 W. Olympic Blvd., Los Angeles, CA4,329 35,488 32,085 3,977 67,925 71,902 52,690 352000C154,544 
12233 W. Olympic Blvd., Los Angeles, CA22,100 53,170 7,147 22,100 60,317 82,417 25,998 352012A156,746 
12312 W. Olympic Blvd., Los Angeles, CA3,325 12,202 12,741 3,399 24,869 28,268 21,516 351997A78,900 
2100/2110 Colorado Ave., Santa Monica, CA5,474 26,087 21,796 5,476 47,881 53,357 35,412 351997A104,853 
12225 El Camino Real, San Diego, CA1,700 9,633 4,890 1,673 14,550 16,223 11,750 351998A58,401 
12235 El Camino Real, San Diego, CA1,507 8,543 10,461 1,540 18,971 20,511 15,572 351998A53,751 
KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2025
 Initial CostGross Amounts at Which
Carried at Close of Period
Property LocationEncumb-
rances		Land and Improve-
ments		Buildings
and
Improve-
ments		Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement		Land and Improve-
ments		Buildings
and
Improve-
ments		TotalAccumulated
Depreciation
Depreci-
ation
Life (1)
Date of
Acquisition
(A)/
Construction
(C) (2)
Rentable
Square
Feet (3)
(unaudited)
 ($ in thousands)
12340 El Camino Real, San Diego, CA4,201 — 40,640 4,201 40,640 44,841 6,474 352022C110,950 
12390 El Camino Real, San Diego, CA3,453 11,981 12,910 3,453 24,891 28,344 16,959 352000C73,238 
12770 El Camino Real, San Diego, CA9,360 — 37,329 9,360 37,329 46,689 10,747 352016C75,035 
12780 El Camino Real, San Diego, CA18,398 54,954 24,329 18,398 79,283 97,681 35,624 352013A140,591 
12790 El Camino Real, San Diego, CA10,252 21,236 17,163 10,252 38,399 48,651 16,560 352013A87,944 
12830 El Camino Real, San Diego, CA $375,000(7)28,645 — 113,232 28,645 113,232 141,877 20,696 352021C196,444 
12860 El Camino Real, San Diego, CA(7)11,326 — 53,257 11,326 53,257 64,583 9,658 352021C92,042 
12348 High Bluff Dr., San Diego, CA1,629 3,096 10,270 1,629 13,366 14,995 10,115 351999C39,192 
12400 High Bluff Dr., San Diego, CA15,167 — 50,063 15,167 50,063 65,230 14,629 352022C216,518 
12707 High Bluff Dr., San Diego, CA3,013 8,032 1,400 3,013 9,432 12,445 775 352024A59,245 
12777 High Bluff Dr., San Diego, CA3,013 6,134 782 3,013 6,916 9,929 573 352024A44,486 
3579 Valley Centre Dr., San Diego, CA2,167 6,897 11,977 2,858 18,183 21,041 13,286 351999C54,960 
3611 Valley Centre Dr., San Diego, CA4,184 19,352 29,823 5,259 48,100 53,359 37,365 352000C132,425 
3661 Valley Centre Dr., San Diego, CA4,038 21,144 21,366 4,725 41,823 46,548 33,190 352001C124,756 
3721 Valley Centre Dr., San Diego, CA4,297 18,967 19,934 4,254 38,944 43,198 25,998 352003C117,777 
3811 Valley Centre Dr., San Diego, CA3,452 16,152 22,042 4,457 37,189 41,646 29,027 352000C118,912 
3745 Paseo Place, San Diego, CA (Retail)(7)24,358 — 76,879 24,358 76,879 101,237 16,296 352019C95,871 
2100 Kettner Blvd., San Diego, CA19,861 — 113,891 19,861 113,891 133,752 10,557 352022C212,915 
2305 Historic Decatur Rd., San Diego, CA5,240 22,220 12,114 5,240 34,334 39,574 19,661 352010A107,456 
3530 John Hopkins Ct., San Diego, CA (8)
4,225 31,258 332 4,262 31,553 35,815 190 352025A45,589 
3535 General Atomics Ct., San Diego, CA (8)
7,433 43,774 465 7,499 44,173 51,672 193 352025A80,543 
3550 John Hopkins Ct., San Diego, CA (8)
5,598 33,443 347 5,647 33,741 39,388 112 352025A62,739 
3565 General Atomics Ct., San Diego, CA (8)
4,057 24,355 253 4,093 24,572 28,665 84 352025A43,295 
4690 Executive Dr., San Diego, CA (9)
1,623 19,686 1,368 1,624 21,053 22,677 1,447 352025C52,074 
9455 Towne Centre Dr., San Diego, CA6,081 — 79,595 6,081 79,595 85,676 12,233 352021C160,444 
9514 Towne Centre Dr., San Diego, CA4,928 — 47,756 4,928 47,756 52,684 3,451 352023C70,616 
4100 Bohannon Dr., Menlo Park, CA4,835 15,526 1,525 4,860 17,026 21,886 7,743 352012A47,643 
4200 Bohannon Dr., Menlo Park, CA4,798 15,406 8,414 4,662 23,956 28,618 11,723 352012A43,600 
4300 Bohannon Dr., Menlo Park, CA6,527 20,958 8,047 6,470 29,062 35,532 14,265 352012A63,430 
4400 Bohannon Dr., Menlo Park, CA (10)
4,939 43,213 3,115 4,939 46,328 51,267 2,589 352025C48,414 
4500 Bohannon Dr., Menlo Park, CA6,527 20,957 6,035 6,470 27,049 33,519 12,920 352012A63,429 
4600 Bohannon Dr., Menlo Park, CA4,798 15,406 5,424 4,939 20,689 25,628 10,692 352012A48,413 
4700 Bohannon Dr., Menlo Park, CA6,527 20,958 1,576 6,470 22,591 29,061 10,384 352012A63,429 
1290 - 1300 Terra Bella Ave., Mountain View, CA28,730 27,555 13,522 28,730 41,077 69,807 13,628 352016A114,175 
680 E. Middlefield Rd., Mountain View, CA34,755 — 56,759 34,755 56,759 91,514 21,383 352014C171,676 
KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2025
 Initial CostGross Amounts at Which
Carried at Close of Period
Property LocationEncumb-
rances		Land and Improve-
ments		Buildings
and
Improve-
ments		Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement		Land and Improve-
ments		Buildings
and
Improve-
ments		TotalAccumulated
Depreciation
Depreci-
ation
Life (1)
Date of
Acquisition
(A)/
Construction
(C) (2)
Rentable
Square
Feet (3)
(unaudited)
 ($ in thousands)
690 E. Middlefield Rd., Mountain View, CA34,605 — 56,515 34,605 56,515 91,120 21,291 352014C171,215 
1701 Page Mill Rd., Palo Alto, CA— 99,522 117 — 99,639 99,639 27,030 352016A128,688 
3150 Porter Dr., Palo Alto, CA— 21,715 6,446 — 28,161 28,161 8,888 352016A36,886 
900 Jefferson Ave., Redwood City, CA (11)
16,668 — 109,784 18,063 108,389 126,452 38,994 352015C228,226 
900 Middlefield Rd., Redwood City, CA (11)
7,959 — 64,979 8,626 64,312 72,938 19,269 352015C119,616 
100 First St., San Francisco, CA (12)
49,150 131,238 86,415 49,150 217,653 266,803 125,428 352010A480,457 
100 Hooper St., San Francisco, CA148,815 (13)78,564 — 197,034 85,510 190,088 275,598 41,819 352018C417,914 
201 Third St., San Francisco, CA19,260 84,018 85,856 19,260 169,874 189,134 109,440 352011A355,960 
360 Third St., San Francisco, CA— 88,235 128,912 28,504 188,643 217,147 87,745 352011A436,357 
250 Brannan St., San Francisco, CA7,630 22,770 10,797 7,630 33,567 41,197 17,628 352011A100,850 
301 Brannan St., San Francisco, CA5,910 22,450 17,817 5,910 40,267 46,177 19,487 352011A82,834 
333 Brannan St., San Francisco, CA18,645 — 80,685 18,645 80,685 99,330 23,730 352016C185,602 
345 Brannan St., San Francisco, CA29,405 113,179 1,358 29,403 114,539 143,942 23,665 352018A110,050 
303 Second St., San Francisco, CA (14)
63,550 154,153 123,735 63,550 277,888 341,438 159,024 352010A784,658 
350 Mission St., San Francisco, CA52,815 — 212,906 52,815 212,906 265,721 64,520 352016C455,340 
345 Oyster Point Blvd., South San Francisco, CA13,745 18,575 1 13,745 18,576 32,321 4,504 352018A40,410 
347 Oyster Point Blvd., South San Francisco, CA14,071 18,289 44 14,071 18,333 32,404 4,455 352018A39,780 
349 Oyster Point Blvd., South San Francisco, CA23,112 22,601 352 23,112 22,953 46,065 6,824 352018A65,340 
350 Oyster Point Blvd., South San Francisco, CA23,719 — 177,047 23,719 177,047 200,766 22,614 352021C234,892 
352 Oyster Point Blvd., South San Francisco, CA23,449 — 165,524 23,449 165,524 188,973 23,061 352021C232,215 
354 Oyster Point Blvd., South San Francisco, CA19,538 — 141,063 19,538 141,063 160,601 22,126 352021C193,472 
365 Oyster Point Blvd., South San Francisco, CA (15)
— — — — — — 62 350C— 
10900 NE 4th St., Bellevue, WA25,080 150,877 66,352 25,080 217,229 242,309 106,671 352012A428,557 
601 108th Ave., Bellevue, WA— 214,095 99,439 42,680 270,854 313,534 136,292 352011A490,738 
2001 8th Ave., Seattle, WA84,076 371,154 36,691 84,076 407,845 491,921 53,879 352021A535,395 
320 Westlake Ave. North, Seattle, WA76,627 (16)14,710 82,018 16,653 14,710 98,671 113,381 41,086 352013A184,644 
321 Terry Ave. North, Seattle, WA(16)10,430 60,003 11,066 10,430 71,069 81,499 30,777 352013A135,755 
401 Terry Ave. North, Seattle, WA22,500 77,046 235 22,500 77,281 99,781 28,806 352014A174,530 
333 Dexter Ave. North, Seattle, WA42,854 — 328,064 42,854 328,064 370,918 48,068 352022C618,766 
701 N. 34th St., Seattle, WA— 48,027 16,696 — 64,723 64,723 28,986 352012A143,136 
801 N. 34th St., Seattle, WA— 58,537 23,925 — 82,462 82,462 37,188 352012A173,615 
837 N. 34th St., Seattle, WA— 37,404 8,619 — 46,023 46,023 21,410 352012A112,487 
200 W. 6th St., Austin, TX— — 664,974 — 664,974 664,974 60,117 352023C758,975 
Residential Properties:
1550 N. El Centro Ave., Los Angeles, CA (6)
16,970 39 139,686 16,970 139,725 156,695 38,230 352016C— 
KILROY REALTY CORPORATION AND KILROY REALTY, L.P.
SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)
December 31, 2025
 Initial CostGross Amounts at Which
Carried at Close of Period
Property LocationEncumb-
rances		Land and Improve-
ments		Buildings
and
Improve-
ments		Costs
Capitalized
Subsequent 
to
Acquisition/
Improvement		Land and Improve-
ments		Buildings
and
Improve-
ments		TotalAccumulated
Depreciation
Depreci-
ation
Life (1)
Date of
Acquisition
(A)/
Construction
(C) (2)
Rentable
Square
Feet (3)
(unaudited)
 ($ in thousands)
6390 De Longpre Ave., Los Angeles, CA (5)
12,112 — 162,693 12,112 162,693 174,805 22,108 352021C— 
3200 Paseo Village Way, San Diego, CA(7)106,419 — 272,319 106,419 272,319 378,738 46,203 352020C— 
TOTAL OPERATING PROPERTIES600,442 1,550,535 3,163,966 5,432,898 1,641,913 8,505,486 10,147,399 2,843,811 16,292,164 
Undeveloped land and construction in progress— 787,640 — 1,600,102 787,640 1,600,102 2,387,742 — — 
TOTAL ALL PROPERTIES$600,442 (17)$2,338,175 $3,163,966 $7,033,000 $2,429,553 $10,105,588 $12,535,141 $2,843,811 16,292,164 
____________________
(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 or development 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)Represents the square footage of our stabilized portfolio.
(4)This property was acquired in the third quarter of 2025.
(5)These properties include the allocated costs of a shared parking structure for a complex comprised of four office buildings and one residential tower.
(6)These properties include the allocated costs of a shared parking structure for a complex comprised of five office buildings and one residential tower.
(7)These properties secure a $375.0 million mortgage note.
(8)These properties were acquired in the fourth quarter of 2025.
(9)This property was taken out of the stabilized portfolio in the first quarter of 2022 for redevelopment in phases, and placed back into the stabilized portfolio during the third quarter of 2025, upon reaching one year from substantial completion of base building components.
(10)This property was taken out of the stabilized portfolio in the fourth quarter of 2022 for redevelopment, and placed back into the stabilized portfolio during the third quarter of 2025, upon reaching one year from substantial completion of base building components.
(11)These properties are owned by Redwood City Partners LLC, a consolidated property partnership.
(12)This property is owned by 100 First Street Member LLC, a consolidated property partnership.
(13)This property secures a $148.8 million mortgage note.
(14)This property is owned by 303 Second Street Member LLC, a consolidated property partnership.
(15)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 871,738 rentable square feet.
(16)These properties secure a $76.6 million mortgage note.
(17)Represents gross aggregate principal amount before the effect of the deferred financing costs of $7.8 million as of December 31, 2025.
As of December 31, 2025, the aggregate gross cost of property included above for federal income tax purposes approximated $10.6 billion.

The following table reconciles the historical cost of total real estate held for investment from January 1, 2023 to December 31, 2025:

 Year Ended December 31,
 202520242023
 (in thousands)
Total real estate held for investment, beginning of year$12,659,195 $12,241,648 $11,732,183 
Additions during period:
Acquisitions338,678 21,941 — 
Improvements, etc.  249,704 400,880 511,866 
Total additions during period588,382 422,821 511,866 
Deductions during period:
Cost of real estate sold(483,776)— — 
Properties held for sale(221,693)— — 
Other(6,967)(5,274)(2,401)
Total deductions during period(712,436)(5,274)(2,401)
Total real estate held for investment, end of year$12,535,141 $12,659,195 $12,241,648 

The following table reconciles the accumulated depreciation from January 1, 2023 to December 31, 2025:

 Year Ended December 31,
 202520242023
 (in thousands)
Accumulated depreciation, beginning of year$2,824,616 $2,518,304 $2,218,710 
Additions during period:
Depreciation of real estate305,751 307,967 300,119 
Total additions during period305,751 307,967 300,119 
Deductions during period:
Write-offs due to sale(166,696)— — 
Properties held for sale(116,693)— — 
Other (3,167)(1,655)(525)
Total deductions during period(286,556)(1,655)(525)
Accumulated depreciation, end of year$2,843,811 $2,824,616 $2,518,304