Builders Firstsource Inc.
Plan context: Builders Firstsource Inc. 401(K) Plan
EIN 52-2084569 • Dallas, TX • 56 filings • 8 plans
Current Snapshot
Latest Year
2025
2025 Participants
27,530
2025 Assets
$1,726,390,792
2025 Contributions
$149,325,419
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 |
|---|---|---|---|---|---|
| 2025 | 1 | 27,530 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 27,530 | - | - | - |
| 2024 | 2 | 31,456 | $1,726,390,792 | $149,325,419 | $4,747iApproximate average salary by contribution assumption: employee only about $118,678 at 4% or $79,119 at 6%; with 50% employer match about $79,119 at 4% or $52,746 at 6%; with 100% employer match about $59,339 at 4% or $39,559 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 31,456 | $1,726,390,792 | $149,325,419 | $4,747iApproximate average salary by contribution assumption: employee only about $118,678 at 4% or $79,119 at 6%; with 50% employer match about $79,119 at 4% or $52,746 at 6%; with 100% employer match about $59,339 at 4% or $39,559 at 6%. |
| Builders Firstsource Flex Plan | - | 27,367 | - | - | - |
| 2023 | 2 | 29,845 | $1,565,812,664 | $144,358,912 | $4,837iApproximate average salary by contribution assumption: employee only about $120,924 at 4% or $80,616 at 6%; with 50% employer match about $80,616 at 4% or $53,744 at 6%; with 100% employer match about $60,462 at 4% or $40,308 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 29,845 | $1,565,812,664 | $144,358,912 | $4,837iApproximate average salary by contribution assumption: employee only about $120,924 at 4% or $80,616 at 6%; with 50% employer match about $80,616 at 4% or $53,744 at 6%; with 100% employer match about $60,462 at 4% or $40,308 at 6%. |
| Builders Firstsource Flex Plan | - | 26,456 | - | - | - |
| 2022 | 2 | 30,738 | $1,335,006,982 | $153,198,077 | $4,984iApproximate average salary by contribution assumption: employee only about $124,600 at 4% or $83,067 at 6%; with 50% employer match about $83,067 at 4% or $55,378 at 6%; with 100% employer match about $62,300 at 4% or $41,533 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 30,738 | $1,335,006,982 | $153,198,077 | $4,984iApproximate average salary by contribution assumption: employee only about $124,600 at 4% or $83,067 at 6%; with 50% employer match about $83,067 at 4% or $55,378 at 6%; with 100% employer match about $62,300 at 4% or $41,533 at 6%. |
| Builders Firstsource Flex Plan | - | 30,058 | - | - | - |
| 2021 | 2 | 17,300 | $1,478,711,998 | $80,766,956 | $4,669iApproximate average salary by contribution assumption: employee only about $116,715 at 4% or $77,810 at 6%; with 50% employer match about $77,810 at 4% or $51,873 at 6%; with 100% employer match about $58,358 at 4% or $38,905 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 17,300 | $1,478,711,998 | $80,766,956 | $4,669iApproximate average salary by contribution assumption: employee only about $116,715 at 4% or $77,810 at 6%; with 50% employer match about $77,810 at 4% or $51,873 at 6%; with 100% employer match about $58,358 at 4% or $38,905 at 6%. |
| Builders Firstsource Flex Plan | - | 14,904 | - | - | - |
| 2020 | 4 | 15,463 | $915,469,925 | $56,781,286 | $3,672iApproximate average salary by contribution assumption: employee only about $91,802 at 4% or $61,201 at 6%; with 50% employer match about $61,201 at 4% or $40,801 at 6%; with 100% employer match about $45,901 at 4% or $30,601 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 15,463 | $915,469,925 | $56,781,286 | $3,672iApproximate average salary by contribution assumption: employee only about $91,802 at 4% or $61,201 at 6%; with 50% employer match about $61,201 at 4% or $40,801 at 6%; with 100% employer match about $45,901 at 4% or $30,601 at 6%. |
| Builders Firstsource Inc. Severance Plan for Designated Managers | - | 446 | - | - | - |
| Builders Firstsource Inc. Severance Plan | - | 14,882 | - | - | - |
| Builders Firstsource Flex Plan | - | 14,659 | - | - | - |
| 2019 | 4 | 15,210 | $813,819,899 | $51,090,926 | $3,359iApproximate average salary by contribution assumption: employee only about $83,976 at 4% or $55,984 at 6%; with 50% employer match about $55,984 at 4% or $37,323 at 6%; with 100% employer match about $41,988 at 4% or $27,992 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 15,210 | $813,819,899 | $51,090,926 | $3,359iApproximate average salary by contribution assumption: employee only about $83,976 at 4% or $55,984 at 6%; with 50% employer match about $55,984 at 4% or $37,323 at 6%; with 100% employer match about $41,988 at 4% or $27,992 at 6%. |
| Builders Firstsource Flex Plan | - | 14,329 | - | - | - |
| Builders Firstsource Inc. Severance Plan | - | 15,065 | - | - | - |
| Builders Firstsource Inc. Severance Plan for Designated Managers | - | 394 | - | - | - |
| 2018 | 4 | 13,542 | $688,431,109 | $47,700,713 | $3,522iApproximate average salary by contribution assumption: employee only about $88,061 at 4% or $58,707 at 6%; with 50% employer match about $58,707 at 4% or $39,138 at 6%; with 100% employer match about $44,030 at 4% or $29,354 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 13,542 | $688,431,109 | $47,700,713 | $3,522iApproximate average salary by contribution assumption: employee only about $88,061 at 4% or $58,707 at 6%; with 50% employer match about $58,707 at 4% or $39,138 at 6%; with 100% employer match about $44,030 at 4% or $29,354 at 6%. |
| Builders Firstsource Inc. Severance Plan for Designated Managers | - | 599 | - | - | - |
| Builders Firstsource Inc. Severance Plan | - | 8,590 | - | - | - |
| Builders Firstsource Flex Plan | - | 12,273 | - | - | - |
| 2017 | 4 | 13,798 | $728,162,603 | $14,308,958 | $1,037iApproximate average salary by contribution assumption: employee only about $25,926 at 4% or $17,284 at 6%; with 50% employer match about $17,284 at 4% or $11,523 at 6%; with 100% employer match about $12,963 at 4% or $8,642 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 13,297 | $728,162,603 | $14,308,958 | $1,076iApproximate average salary by contribution assumption: employee only about $26,903 at 4% or $17,935 at 6%; with 50% employer match about $17,935 at 4% or $11,957 at 6%; with 100% employer match about $13,451 at 4% or $8,968 at 6%. |
| Builders Firstsource Flex Plan | - | 13,798 | - | - | - |
| Builders Firstsource Inc. Severance Plan for Designated Managers | - | 469 | - | - | - |
| Builders Firstsource Inc. Severance Plan | - | 7,958 | - | - | - |
| 2016 | 4 | 13,354 | $114,579,902 | $7,654,155 | $573iApproximate average salary by contribution assumption: employee only about $14,329 at 4% or $9,553 at 6%; with 50% employer match about $9,553 at 4% or $6,369 at 6%; with 100% employer match about $7,165 at 4% or $4,776 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 3,677 | $114,579,902 | $7,654,155 | $2,082iApproximate average salary by contribution assumption: employee only about $52,041 at 4% or $34,694 at 6%; with 50% employer match about $34,694 at 4% or $23,129 at 6%; with 100% employer match about $26,020 at 4% or $17,347 at 6%. |
| Builders Firstsource Inc. Severance Plan for Designated Managers | - | 145 | - | - | - |
| Builders Firstsource Inc. Severance Plan | - | 2,484 | - | - | - |
| Builders Firstsource Flex Plan | - | 13,354 | - | - | - |
| 2015 | 2 | 3,690 | $107,597,608 | $6,687,196 | $1,812iApproximate average salary by contribution assumption: employee only about $45,306 at 4% or $30,204 at 6%; with 50% employer match about $30,204 at 4% or $20,136 at 6%; with 100% employer match about $22,653 at 4% or $15,102 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 3,439 | $107,597,608 | $6,687,196 | $1,945iApproximate average salary by contribution assumption: employee only about $48,613 at 4% or $32,409 at 6%; with 50% employer match about $32,409 at 4% or $21,606 at 6%; with 100% employer match about $24,306 at 4% or $16,204 at 6%. |
| Builders Firstsource Flex Plan | - | 3,690 | - | - | - |
| 2014 | 2 | 3,642 | $109,305,732 | $6,470,815 | $1,777iApproximate average salary by contribution assumption: employee only about $44,418 at 4% or $29,612 at 6%; with 50% employer match about $29,612 at 4% or $19,741 at 6%; with 100% employer match about $22,209 at 4% or $14,806 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 3,444 | $109,305,732 | $6,470,815 | $1,879iApproximate average salary by contribution assumption: employee only about $46,972 at 4% or $31,314 at 6%; with 50% employer match about $31,314 at 4% or $20,876 at 6%; with 100% employer match about $23,486 at 4% or $15,657 at 6%. |
| Builders Firstsource Flex Plan | - | 3,642 | - | - | - |
| 2013 | 2 | 2,880 | $101,918,382 | $4,893,657 | $1,699iApproximate average salary by contribution assumption: employee only about $42,480 at 4% or $28,320 at 6%; with 50% employer match about $28,320 at 4% or $18,880 at 6%; with 100% employer match about $21,240 at 4% or $14,160 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 2,880 | $101,918,382 | $4,893,657 | $1,699iApproximate average salary by contribution assumption: employee only about $42,480 at 4% or $28,320 at 6%; with 50% employer match about $28,320 at 4% or $18,880 at 6%; with 100% employer match about $21,240 at 4% or $14,160 at 6%. |
| Builders Firstsource Flex Plan | - | 2,705 | - | - | - |
| 2012 | 2 | 2,416 | $88,543,884 | $4,193,139 | $1,736iApproximate average salary by contribution assumption: employee only about $43,389 at 4% or $28,926 at 6%; with 50% employer match about $28,926 at 4% or $19,284 at 6%; with 100% employer match about $21,695 at 4% or $14,463 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 2,416 | $88,543,884 | $4,193,139 | $1,736iApproximate average salary by contribution assumption: employee only about $43,389 at 4% or $28,926 at 6%; with 50% employer match about $28,926 at 4% or $19,284 at 6%; with 100% employer match about $21,695 at 4% or $14,463 at 6%. |
| Builders Firstsource Flex Plan | - | 2,238 | - | - | - |
| 2011 | 2 | 2,185 | $82,126,312 | $4,047,218 | $1,852iApproximate average salary by contribution assumption: employee only about $46,307 at 4% or $30,871 at 6%; with 50% employer match about $30,871 at 4% or $20,581 at 6%; with 100% employer match about $23,153 at 4% or $15,436 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 2,185 | $82,126,312 | $4,047,218 | $1,852iApproximate average salary by contribution assumption: employee only about $46,307 at 4% or $30,871 at 6%; with 50% employer match about $30,871 at 4% or $20,581 at 6%; with 100% employer match about $23,153 at 4% or $15,436 at 6%. |
| Builders Firstsource Flex Plan | - | 2,109 | - | - | - |
| 2010 | 2 | 2,236 | $86,561,276 | $4,130,050 | $1,847iApproximate average salary by contribution assumption: employee only about $46,177 at 4% or $30,785 at 6%; with 50% employer match about $30,785 at 4% or $20,523 at 6%; with 100% employer match about $23,088 at 4% or $15,392 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 2,236 | $86,561,276 | $4,130,050 | $1,847iApproximate average salary by contribution assumption: employee only about $46,177 at 4% or $30,785 at 6%; with 50% employer match about $30,785 at 4% or $20,523 at 6%; with 100% employer match about $23,088 at 4% or $15,392 at 6%. |
| Builders Firstsource Flex Plan | - | 2,194 | - | - | - |
| 2009 | 2 | 2,747 | $90,050,285 | $5,051,736 | $1,839iApproximate average salary by contribution assumption: employee only about $45,975 at 4% or $30,650 at 6%; with 50% employer match about $30,650 at 4% or $20,433 at 6%; with 100% employer match about $22,988 at 4% or $15,325 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 2,747 | $90,050,285 | $5,051,736 | $1,839iApproximate average salary by contribution assumption: employee only about $45,975 at 4% or $30,650 at 6%; with 50% employer match about $30,650 at 4% or $20,433 at 6%; with 100% employer match about $22,988 at 4% or $15,325 at 6%. |
| Builders Firstsource Flex Plan | - | 2,401 | - | - | - |
| 2008 | 2 | 3,468 | $91,000,324 | $10,125,900 | $2,920iApproximate average salary by contribution assumption: employee only about $72,995 at 4% or $48,663 at 6%; with 50% employer match about $48,663 at 4% or $32,442 at 6%; with 100% employer match about $36,498 at 4% or $24,332 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 3,299 | $91,000,324 | $10,125,900 | $3,069iApproximate average salary by contribution assumption: employee only about $76,735 at 4% or $51,156 at 6%; with 50% employer match about $51,156 at 4% or $34,104 at 6%; with 100% employer match about $38,367 at 4% or $25,578 at 6%. |
| Builders Firstsource Flex Plan | - | 3,468 | - | - | - |
| 2007 | 2 | 4,473 | $126,146,217 | $12,768,177 | $2,854iApproximate average salary by contribution assumption: employee only about $71,362 at 4% or $47,575 at 6%; with 50% employer match about $47,575 at 4% or $31,717 at 6%; with 100% employer match about $35,681 at 4% or $23,787 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 4,473 | $126,146,217 | $12,768,177 | $2,854iApproximate average salary by contribution assumption: employee only about $71,362 at 4% or $47,575 at 6%; with 50% employer match about $47,575 at 4% or $31,717 at 6%; with 100% employer match about $35,681 at 4% or $23,787 at 6%. |
| Builders Firstsource Flex Plan | - | 3,055 | - | - | - |
| 2006 | 2 | 5,529 | $121,025,134 | $15,830,461 | $2,863iApproximate average salary by contribution assumption: employee only about $71,579 at 4% or $47,719 at 6%; with 50% employer match about $47,719 at 4% or $31,813 at 6%; with 100% employer match about $35,790 at 4% or $23,860 at 6%. |
| Builders Firstsource Inc. 401(K) Plan | - | 5,529 | $121,025,134 | $15,830,461 | $2,863iApproximate average salary by contribution assumption: employee only about $71,579 at 4% or $47,719 at 6%; with 50% employer match about $47,719 at 4% or $31,813 at 6%; with 100% employer match about $35,790 at 4% or $23,860 at 6%. |
| Builders Firstsource Flex Plan | - | 5,290 | - | - | - |
| 2005 | 1 | 5,299 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 5,299 | - | - | - |
| 2004 | 1 | 5,375 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 5,375 | - | - | - |
| 2003 | 1 | 5,411 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 5,411 | - | - | - |
| 2002 | 1 | 6,013 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 6,013 | - | - | - |
| 2001 | 1 | 5,563 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 5,563 | - | - | - |
| 2000 | 1 | 5,879 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 5,879 | - | - | - |
| 1999 | 1 | 1,182 | $0 | $0 | - |
| Builders Firstsource Flex Plan | - | 1,182 | - | - | - |