Corporate Office Properties, L.P.
Plan context: Corporate Office Properties, L.P. Employee Retirement Savings Plan
EIN 23-2930022 • Columbia, MD • 52 filings • 10 plans
Current Snapshot
Latest Year
2024
2024 Participants
433
2024 Assets
$108,686,089
2024 Contributions
$8,919,056
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 433 | $108,686,089 | $8,919,056 | $20,598iApproximate average salary by contribution assumption: employee only about $514,957 at 4% or $343,305 at 6%; with 50% employer match about $343,305 at 4% or $228,870 at 6%; with 100% employer match about $257,479 at 4% or $171,652 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 423 | $108,686,089 | $8,919,056 | $21,085iApproximate average salary by contribution assumption: employee only about $527,131 at 4% or $351,421 at 6%; with 50% employer match about $351,421 at 4% or $234,280 at 6%; with 100% employer match about $263,565 at 4% or $175,710 at 6%. |
| Corporate Office Properties Health Plan | - | 433 | - | - | - |
| 2023 | 2 | 414 | $98,699,568 | $7,823,592 | $18,898iApproximate average salary by contribution assumption: employee only about $472,439 at 4% or $314,959 at 6%; with 50% employer match about $314,959 at 4% or $209,973 at 6%; with 100% employer match about $236,220 at 4% or $157,480 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 414 | $98,699,568 | $7,823,592 | $18,898iApproximate average salary by contribution assumption: employee only about $472,439 at 4% or $314,959 at 6%; with 50% employer match about $314,959 at 4% or $209,973 at 6%; with 100% employer match about $236,220 at 4% or $157,480 at 6%. |
| Corporate Office Properties Health Plan | - | 410 | - | - | - |
| 2022 | 2 | 396 | $82,351,106 | $6,341,261 | $16,013iApproximate average salary by contribution assumption: employee only about $400,332 at 4% or $266,888 at 6%; with 50% employer match about $266,888 at 4% or $177,925 at 6%; with 100% employer match about $200,166 at 4% or $133,444 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 392 | $82,351,106 | $6,341,261 | $16,177iApproximate average salary by contribution assumption: employee only about $404,417 at 4% or $269,611 at 6%; with 50% employer match about $269,611 at 4% or $179,741 at 6%; with 100% employer match about $202,209 at 4% or $134,806 at 6%. |
| Corporate Office Properties Health Plan | - | 396 | - | - | - |
| 2021 | 2 | 408 | $98,703,021 | $5,994,167 | $14,692iApproximate average salary by contribution assumption: employee only about $367,290 at 4% or $244,860 at 6%; with 50% employer match about $244,860 at 4% or $163,240 at 6%; with 100% employer match about $183,645 at 4% or $122,430 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 404 | $98,703,021 | $5,994,167 | $14,837iApproximate average salary by contribution assumption: employee only about $370,926 at 4% or $247,284 at 6%; with 50% employer match about $247,284 at 4% or $164,856 at 6%; with 100% employer match about $185,463 at 4% or $123,642 at 6%. |
| Corporate Office Properties Health Plan | - | 408 | - | - | - |
| 2020 | 2 | 410 | $86,015,039 | $5,957,170 | $14,530iApproximate average salary by contribution assumption: employee only about $363,242 at 4% or $242,161 at 6%; with 50% employer match about $242,161 at 4% or $161,441 at 6%; with 100% employer match about $181,621 at 4% or $121,081 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 410 | $86,015,039 | $5,957,170 | $14,530iApproximate average salary by contribution assumption: employee only about $363,242 at 4% or $242,161 at 6%; with 50% employer match about $242,161 at 4% or $161,441 at 6%; with 100% employer match about $181,621 at 4% or $121,081 at 6%. |
| Corporate Office Properties Health Plan | - | 405 | - | - | - |
| 2019 | 2 | 394 | $70,177,564 | $5,185,803 | $13,162iApproximate average salary by contribution assumption: employee only about $329,048 at 4% or $219,366 at 6%; with 50% employer match about $219,366 at 4% or $146,244 at 6%; with 100% employer match about $164,524 at 4% or $109,683 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 388 | $70,177,564 | $5,185,803 | $13,365iApproximate average salary by contribution assumption: employee only about $334,137 at 4% or $222,758 at 6%; with 50% employer match about $222,758 at 4% or $148,505 at 6%; with 100% employer match about $167,068 at 4% or $111,379 at 6%. |
| Corporate Office Properties Health Plan | - | 394 | - | - | - |
| 2018 | 2 | 378 | $56,785,754 | $5,203,935 | $13,767iApproximate average salary by contribution assumption: employee only about $344,176 at 4% or $229,450 at 6%; with 50% employer match about $229,450 at 4% or $152,967 at 6%; with 100% employer match about $172,088 at 4% or $114,725 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 374 | $56,785,754 | $5,203,935 | $13,914iApproximate average salary by contribution assumption: employee only about $347,857 at 4% or $231,904 at 6%; with 50% employer match about $231,904 at 4% or $154,603 at 6%; with 100% employer match about $173,928 at 4% or $115,952 at 6%. |
| Corporate Office Properties Health Plan | - | 378 | - | - | - |
| 2017 | 2 | 382 | $57,886,406 | $4,663,145 | $12,207iApproximate average salary by contribution assumption: employee only about $305,180 at 4% or $203,453 at 6%; with 50% employer match about $203,453 at 4% or $135,635 at 6%; with 100% employer match about $152,590 at 4% or $101,727 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 371 | $57,886,406 | $4,663,145 | $12,569iApproximate average salary by contribution assumption: employee only about $314,228 at 4% or $209,485 at 6%; with 50% employer match about $209,485 at 4% or $139,657 at 6%; with 100% employer match about $157,114 at 4% or $104,743 at 6%. |
| Corporate Office Properties Health Plan | - | 382 | - | - | - |
| 2016 | 2 | 375 | $49,182,925 | $4,475,468 | $11,935iApproximate average salary by contribution assumption: employee only about $298,365 at 4% or $198,910 at 6%; with 50% employer match about $198,910 at 4% or $132,606 at 6%; with 100% employer match about $149,182 at 4% or $99,455 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 370 | $49,182,925 | $4,475,468 | $12,096iApproximate average salary by contribution assumption: employee only about $302,396 at 4% or $201,598 at 6%; with 50% employer match about $201,598 at 4% or $134,398 at 6%; with 100% employer match about $151,198 at 4% or $100,799 at 6%. |
| Corporate Office Properties Health Plan | - | 375 | - | - | - |
| 2015 | 2 | 382 | $44,471,621 | $4,392,158 | $11,498iApproximate average salary by contribution assumption: employee only about $287,445 at 4% or $191,630 at 6%; with 50% employer match about $191,630 at 4% or $127,753 at 6%; with 100% employer match about $143,722 at 4% or $95,815 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 375 | $44,471,621 | $4,392,158 | $11,712iApproximate average salary by contribution assumption: employee only about $292,811 at 4% or $195,207 at 6%; with 50% employer match about $195,207 at 4% or $130,138 at 6%; with 100% employer match about $146,405 at 4% or $97,604 at 6%. |
| Corporate Office Properties Health Plan | - | 382 | - | - | - |
| 2014 | 3 | 376 | $42,672,140 | $4,432,764 | $11,789iApproximate average salary by contribution assumption: employee only about $294,732 at 4% or $196,488 at 6%; with 50% employer match about $196,488 at 4% or $130,992 at 6%; with 100% employer match about $147,366 at 4% or $98,244 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 376 | $42,672,140 | $4,432,764 | $11,789iApproximate average salary by contribution assumption: employee only about $294,732 at 4% or $196,488 at 6%; with 50% employer match about $196,488 at 4% or $130,992 at 6%; with 100% employer match about $147,366 at 4% or $98,244 at 6%. |
| Corporate Office Properties Disability and Life Plan | - | 0 | - | - | - |
| Corporate Office Properties Health Plan | - | 369 | - | - | - |
| 2013 | 3 | 697 | $37,623,237 | $4,232,580 | $6,073iApproximate average salary by contribution assumption: employee only about $151,814 at 4% or $101,209 at 6%; with 50% employer match about $101,209 at 4% or $67,473 at 6%; with 100% employer match about $75,907 at 4% or $50,605 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 382 | $37,623,237 | $4,232,580 | $11,080iApproximate average salary by contribution assumption: employee only about $277,001 at 4% or $184,668 at 6%; with 50% employer match about $184,668 at 4% or $123,112 at 6%; with 100% employer match about $138,501 at 4% or $92,334 at 6%. |
| Corporate Office Properties Disability and Life Plan | - | 697 | - | - | - |
| Corporate Office Properties Health Plan | - | 388 | - | - | - |
| 2012 | 3 | 644 | $28,209,414 | $4,560,012 | $7,081iApproximate average salary by contribution assumption: employee only about $177,019 at 4% or $118,013 at 6%; with 50% employer match about $118,013 at 4% or $78,675 at 6%; with 100% employer match about $88,510 at 4% or $59,006 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 381 | $28,209,414 | $4,560,012 | $11,969iApproximate average salary by contribution assumption: employee only about $299,213 at 4% or $199,476 at 6%; with 50% employer match about $199,476 at 4% or $132,984 at 6%; with 100% employer match about $149,607 at 4% or $99,738 at 6%. |
| Corporate Office Properties Disability and Life Plan | - | 644 | - | - | - |
| Corporate Office Properties Health Plan | - | 387 | - | - | - |
| 2011 | 3 | 431 | $23,267,602 | $3,739,968 | $8,677iApproximate average salary by contribution assumption: employee only about $216,935 at 4% or $144,624 at 6%; with 50% employer match about $144,624 at 4% or $96,416 at 6%; with 100% employer match about $108,468 at 4% or $72,312 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 423 | $23,267,602 | $3,739,968 | $8,842iApproximate average salary by contribution assumption: employee only about $221,038 at 4% or $147,359 at 6%; with 50% employer match about $147,359 at 4% or $98,239 at 6%; with 100% employer match about $110,519 at 4% or $73,679 at 6%. |
| Corporate Office Properties Health Plan | - | 425 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 431 | - | - | - |
| 2010 | 3 | 840 | $22,294,630 | $3,476,486 | $4,139iApproximate average salary by contribution assumption: employee only about $103,467 at 4% or $68,978 at 6%; with 50% employer match about $68,978 at 4% or $45,985 at 6%; with 100% employer match about $51,733 at 4% or $34,489 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 401 | $22,294,630 | $3,476,486 | $8,670iApproximate average salary by contribution assumption: employee only about $216,739 at 4% or $144,492 at 6%; with 50% employer match about $144,492 at 4% or $96,328 at 6%; with 100% employer match about $108,369 at 4% or $72,246 at 6%. |
| Corporate Office Properties Health Plan | - | 396 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 840 | - | - | - |
| 2009 | 3 | 380 | $16,555,711 | $3,270,694 | $8,607iApproximate average salary by contribution assumption: employee only about $215,177 at 4% or $143,451 at 6%; with 50% employer match about $143,451 at 4% or $95,634 at 6%; with 100% employer match about $107,589 at 4% or $71,726 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 380 | $16,555,711 | $3,270,694 | $8,607iApproximate average salary by contribution assumption: employee only about $215,177 at 4% or $143,451 at 6%; with 50% employer match about $143,451 at 4% or $95,634 at 6%; with 100% employer match about $107,589 at 4% or $71,726 at 6%. |
| Corporate Office Properties Health Plan | - | 365 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 380 | - | - | - |
| 2008 | 3 | 358 | $10,300,444 | $3,042,314 | $8,498iApproximate average salary by contribution assumption: employee only about $212,452 at 4% or $141,635 at 6%; with 50% employer match about $141,635 at 4% or $94,423 at 6%; with 100% employer match about $106,226 at 4% or $70,817 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 358 | $10,300,444 | $3,042,314 | $8,498iApproximate average salary by contribution assumption: employee only about $212,452 at 4% or $141,635 at 6%; with 50% employer match about $141,635 at 4% or $94,423 at 6%; with 100% employer match about $106,226 at 4% or $70,817 at 6%. |
| Corporate Office Properties Health Plan | - | 350 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 356 | - | - | - |
| 2007 | 3 | 351 | $12,916,600 | $2,589,138 | $7,376iApproximate average salary by contribution assumption: employee only about $184,412 at 4% or $122,941 at 6%; with 50% employer match about $122,941 at 4% or $81,961 at 6%; with 100% employer match about $92,206 at 4% or $61,471 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 337 | $12,916,600 | $2,589,138 | $7,683iApproximate average salary by contribution assumption: employee only about $192,073 at 4% or $128,048 at 6%; with 50% employer match about $128,048 at 4% or $85,366 at 6%; with 100% employer match about $96,036 at 4% or $64,024 at 6%. |
| Corporate Office Properties Health Plan | - | 351 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 345 | - | - | - |
| 2006 | 3 | 313 | $10,156,299 | $1,829,891 | $5,846iApproximate average salary by contribution assumption: employee only about $146,157 at 4% or $97,438 at 6%; with 50% employer match about $97,438 at 4% or $64,959 at 6%; with 100% employer match about $73,079 at 4% or $48,719 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 255 | $10,156,299 | $1,829,891 | $7,176iApproximate average salary by contribution assumption: employee only about $179,401 at 4% or $119,601 at 6%; with 50% employer match about $119,601 at 4% or $79,734 at 6%; with 100% employer match about $89,701 at 4% or $59,800 at 6%. |
| Corporate Office Properties Health Plan | - | 313 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 255 | - | - | - |
| 2005 | 3 | 255 | $8,041,542 | $1,820,017 | $7,137iApproximate average salary by contribution assumption: employee only about $178,433 at 4% or $118,955 at 6%; with 50% employer match about $118,955 at 4% or $79,304 at 6%; with 100% employer match about $89,217 at 4% or $59,478 at 6%. |
| Corporate Office Properties, L.P. Employee Retirement Savings Plan | - | 255 | $8,041,542 | $1,820,017 | $7,137iApproximate average salary by contribution assumption: employee only about $178,433 at 4% or $118,955 at 6%; with 50% employer match about $118,955 at 4% or $79,304 at 6%; with 100% employer match about $89,217 at 4% or $59,478 at 6%. |
| Corporate Office Properties Disability and Life Plan | - | 245 | - | - | - |
| Corporate Office Properties Health Plan | - | 230 | - | - | - |
| 2004 | 2 | 217 | $0 | $0 | - |
| Corporate Office Properties Health Plan | - | 206 | - | - | - |
| Corporate Office Properties Disability and Life Plan | - | 217 | - | - | - |