Civic Intelligence

Wolff'S Plumbing & Heating Inc.

Plan context: Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust

EIN 46-0371092 • Spearfish, SD • 28 filings • 6 plans

614 S 32nd Street P O Box 97Spearfish, SD 57783
Current Snapshot

Latest Year

2025

2025 Participants

42

2025 Assets

$2,860,487

2025 Contributions

$255,265

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$2,860,487$1,430,244$0199920132025YearValue
$2,860,487Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

45230199920122025YearValue
42Latest year 2025

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 / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025142$2,860,487$255,265$6,078iApproximate average salary by contribution assumption: employee only about $151,943 at 4% or $101,296 at 6%; with 50% employer match about $101,296 at 4% or $67,530 at 6%; with 100% employer match about $75,972 at 4% or $50,648 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-42$2,860,487$255,265$6,078iApproximate average salary by contribution assumption: employee only about $151,943 at 4% or $101,296 at 6%; with 50% employer match about $101,296 at 4% or $67,530 at 6%; with 100% employer match about $75,972 at 4% or $50,648 at 6%.
2024145$2,297,799$225,997$5,022iApproximate average salary by contribution assumption: employee only about $125,554 at 4% or $83,703 at 6%; with 50% employer match about $83,703 at 4% or $55,802 at 6%; with 100% employer match about $62,777 at 4% or $41,851 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-45$2,297,799$225,997$5,022iApproximate average salary by contribution assumption: employee only about $125,554 at 4% or $83,703 at 6%; with 50% employer match about $83,703 at 4% or $55,802 at 6%; with 100% employer match about $62,777 at 4% or $41,851 at 6%.
2023142$1,895,505$205,775$4,899iApproximate average salary by contribution assumption: employee only about $122,485 at 4% or $81,657 at 6%; with 50% employer match about $81,657 at 4% or $54,438 at 6%; with 100% employer match about $61,243 at 4% or $40,828 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-42$1,895,505$205,775$4,899iApproximate average salary by contribution assumption: employee only about $122,485 at 4% or $81,657 at 6%; with 50% employer match about $81,657 at 4% or $54,438 at 6%; with 100% employer match about $61,243 at 4% or $40,828 at 6%.
2022137$1,527,087$193,138$5,220iApproximate average salary by contribution assumption: employee only about $130,499 at 4% or $86,999 at 6%; with 50% employer match about $86,999 at 4% or $57,999 at 6%; with 100% employer match about $65,249 at 4% or $43,500 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-37$1,527,087$193,138$5,220iApproximate average salary by contribution assumption: employee only about $130,499 at 4% or $86,999 at 6%; with 50% employer match about $86,999 at 4% or $57,999 at 6%; with 100% employer match about $65,249 at 4% or $43,500 at 6%.
2021136$1,619,516$150,687$4,186iApproximate average salary by contribution assumption: employee only about $104,644 at 4% or $69,763 at 6%; with 50% employer match about $69,763 at 4% or $46,508 at 6%; with 100% employer match about $52,322 at 4% or $34,881 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-36$1,619,516$150,687$4,186iApproximate average salary by contribution assumption: employee only about $104,644 at 4% or $69,763 at 6%; with 50% employer match about $69,763 at 4% or $46,508 at 6%; with 100% employer match about $52,322 at 4% or $34,881 at 6%.
2020131$1,354,310$375,340$12,108iApproximate average salary by contribution assumption: employee only about $302,694 at 4% or $201,796 at 6%; with 50% employer match about $201,796 at 4% or $134,530 at 6%; with 100% employer match about $151,347 at 4% or $100,898 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-31$1,354,310$375,340$12,108iApproximate average salary by contribution assumption: employee only about $302,694 at 4% or $201,796 at 6%; with 50% employer match about $201,796 at 4% or $134,530 at 6%; with 100% employer match about $151,347 at 4% or $100,898 at 6%.
2019125$1,206,748$103,099$4,124iApproximate average salary by contribution assumption: employee only about $103,099 at 4% or $68,733 at 6%; with 50% employer match about $68,733 at 4% or $45,822 at 6%; with 100% employer match about $51,550 at 4% or $34,366 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-25$1,206,748$103,099$4,124iApproximate average salary by contribution assumption: employee only about $103,099 at 4% or $68,733 at 6%; with 50% employer match about $68,733 at 4% or $45,822 at 6%; with 100% employer match about $51,550 at 4% or $34,366 at 6%.
2018122$960,101$122,956$5,589iApproximate average salary by contribution assumption: employee only about $139,723 at 4% or $93,148 at 6%; with 50% employer match about $93,148 at 4% or $62,099 at 6%; with 100% employer match about $69,861 at 4% or $46,574 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-22$960,101$122,956$5,589iApproximate average salary by contribution assumption: employee only about $139,723 at 4% or $93,148 at 6%; with 50% employer match about $93,148 at 4% or $62,099 at 6%; with 100% employer match about $69,861 at 4% or $46,574 at 6%.
2017122$975,994$120,153$5,462iApproximate average salary by contribution assumption: employee only about $136,538 at 4% or $91,025 at 6%; with 50% employer match about $91,025 at 4% or $60,683 at 6%; with 100% employer match about $68,269 at 4% or $45,513 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-22$975,994$120,153$5,462iApproximate average salary by contribution assumption: employee only about $136,538 at 4% or $91,025 at 6%; with 50% employer match about $91,025 at 4% or $60,683 at 6%; with 100% employer match about $68,269 at 4% or $45,513 at 6%.
2016120$749,879$111,706$5,585iApproximate average salary by contribution assumption: employee only about $139,633 at 4% or $93,088 at 6%; with 50% employer match about $93,088 at 4% or $62,059 at 6%; with 100% employer match about $69,816 at 4% or $46,544 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-20$749,879$111,706$5,585iApproximate average salary by contribution assumption: employee only about $139,633 at 4% or $93,088 at 6%; with 50% employer match about $93,088 at 4% or $62,059 at 6%; with 100% employer match about $69,816 at 4% or $46,544 at 6%.
2015118$590,336$116,475$6,471iApproximate average salary by contribution assumption: employee only about $161,771 at 4% or $107,847 at 6%; with 50% employer match about $107,847 at 4% or $71,898 at 6%; with 100% employer match about $80,885 at 4% or $53,924 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-18$590,336$116,475$6,471iApproximate average salary by contribution assumption: employee only about $161,771 at 4% or $107,847 at 6%; with 50% employer match about $107,847 at 4% or $71,898 at 6%; with 100% employer match about $80,885 at 4% or $53,924 at 6%.
2014121$569,687$111,127$5,292iApproximate average salary by contribution assumption: employee only about $132,294 at 4% or $88,196 at 6%; with 50% employer match about $88,196 at 4% or $58,797 at 6%; with 100% employer match about $66,147 at 4% or $44,098 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-21$569,687$111,127$5,292iApproximate average salary by contribution assumption: employee only about $132,294 at 4% or $88,196 at 6%; with 50% employer match about $88,196 at 4% or $58,797 at 6%; with 100% employer match about $66,147 at 4% or $44,098 at 6%.
2013123$555,399$105,015$4,566iApproximate average salary by contribution assumption: employee only about $114,147 at 4% or $76,098 at 6%; with 50% employer match about $76,098 at 4% or $50,732 at 6%; with 100% employer match about $57,073 at 4% or $38,049 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-23$555,399$105,015$4,566iApproximate average salary by contribution assumption: employee only about $114,147 at 4% or $76,098 at 6%; with 50% employer match about $76,098 at 4% or $50,732 at 6%; with 100% employer match about $57,073 at 4% or $38,049 at 6%.
2012118$394,838$39,773$2,210iApproximate average salary by contribution assumption: employee only about $55,240 at 4% or $36,827 at 6%; with 50% employer match about $36,827 at 4% or $24,551 at 6%; with 100% employer match about $27,620 at 4% or $18,413 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-18$394,838$39,773$2,210iApproximate average salary by contribution assumption: employee only about $55,240 at 4% or $36,827 at 6%; with 50% employer match about $36,827 at 4% or $24,551 at 6%; with 100% employer match about $27,620 at 4% or $18,413 at 6%.
2011120$409,670$50,346$2,517iApproximate average salary by contribution assumption: employee only about $62,933 at 4% or $41,955 at 6%; with 50% employer match about $41,955 at 4% or $27,970 at 6%; with 100% employer match about $31,466 at 4% or $20,978 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-20$409,670$50,346$2,517iApproximate average salary by contribution assumption: employee only about $62,933 at 4% or $41,955 at 6%; with 50% employer match about $41,955 at 4% or $27,970 at 6%; with 100% employer match about $31,466 at 4% or $20,978 at 6%.
2010133$421,599$44,682$1,354iApproximate average salary by contribution assumption: employee only about $33,850 at 4% or $22,567 at 6%; with 50% employer match about $22,567 at 4% or $15,044 at 6%; with 100% employer match about $16,925 at 4% or $11,283 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-33$421,599$44,682$1,354iApproximate average salary by contribution assumption: employee only about $33,850 at 4% or $22,567 at 6%; with 50% employer match about $22,567 at 4% or $15,044 at 6%; with 100% employer match about $16,925 at 4% or $11,283 at 6%.
2009130$342,205$38,371$1,279iApproximate average salary by contribution assumption: employee only about $31,976 at 4% or $21,317 at 6%; with 50% employer match about $21,317 at 4% or $14,211 at 6%; with 100% employer match about $15,988 at 4% or $10,659 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-30$342,205$38,371$1,279iApproximate average salary by contribution assumption: employee only about $31,976 at 4% or $21,317 at 6%; with 50% employer match about $21,317 at 4% or $14,211 at 6%; with 100% employer match about $15,988 at 4% or $10,659 at 6%.
2008132$223,143$37,650$1,177iApproximate average salary by contribution assumption: employee only about $29,414 at 4% or $19,609 at 6%; with 50% employer match about $19,609 at 4% or $13,073 at 6%; with 100% employer match about $14,707 at 4% or $9,805 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-32$223,143$37,650$1,177iApproximate average salary by contribution assumption: employee only about $29,414 at 4% or $19,609 at 6%; with 50% employer match about $19,609 at 4% or $13,073 at 6%; with 100% employer match about $14,707 at 4% or $9,805 at 6%.
2007127$328,358$42,403$1,570iApproximate average salary by contribution assumption: employee only about $39,262 at 4% or $26,175 at 6%; with 50% employer match about $26,175 at 4% or $17,450 at 6%; with 100% employer match about $19,631 at 4% or $13,087 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-27$328,358$42,403$1,570iApproximate average salary by contribution assumption: employee only about $39,262 at 4% or $26,175 at 6%; with 50% employer match about $26,175 at 4% or $17,450 at 6%; with 100% employer match about $19,631 at 4% or $13,087 at 6%.
2006128$276,620$38,122$1,362iApproximate average salary by contribution assumption: employee only about $34,038 at 4% or $22,692 at 6%; with 50% employer match about $22,692 at 4% or $15,128 at 6%; with 100% employer match about $17,019 at 4% or $11,346 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-28$276,620$38,122$1,362iApproximate average salary by contribution assumption: employee only about $34,038 at 4% or $22,692 at 6%; with 50% employer match about $22,692 at 4% or $15,128 at 6%; with 100% employer match about $17,019 at 4% or $11,346 at 6%.
2005128$243,239$38,854$1,388iApproximate average salary by contribution assumption: employee only about $34,691 at 4% or $23,127 at 6%; with 50% employer match about $23,127 at 4% or $15,418 at 6%; with 100% employer match about $17,346 at 4% or $11,564 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-28$243,239$38,854$1,388iApproximate average salary by contribution assumption: employee only about $34,691 at 4% or $23,127 at 6%; with 50% employer match about $23,127 at 4% or $15,418 at 6%; with 100% employer match about $17,346 at 4% or $11,564 at 6%.
2004131$190,994$46,646$1,505iApproximate average salary by contribution assumption: employee only about $37,618 at 4% or $25,078 at 6%; with 50% employer match about $25,078 at 4% or $16,719 at 6%; with 100% employer match about $18,809 at 4% or $12,539 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-31$190,994$46,646$1,505iApproximate average salary by contribution assumption: employee only about $37,618 at 4% or $25,078 at 6%; with 50% employer match about $25,078 at 4% or $16,719 at 6%; with 100% employer match about $18,809 at 4% or $12,539 at 6%.
2003133$193,231$53,483$1,621iApproximate average salary by contribution assumption: employee only about $40,517 at 4% or $27,012 at 6%; with 50% employer match about $27,012 at 4% or $18,008 at 6%; with 100% employer match about $20,259 at 4% or $13,506 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-33$193,231$53,483$1,621iApproximate average salary by contribution assumption: employee only about $40,517 at 4% or $27,012 at 6%; with 50% employer match about $27,012 at 4% or $18,008 at 6%; with 100% employer match about $20,259 at 4% or $13,506 at 6%.
2002131$110,868$55,003$1,774iApproximate average salary by contribution assumption: employee only about $44,357 at 4% or $29,572 at 6%; with 50% employer match about $29,572 at 4% or $19,714 at 6%; with 100% employer match about $22,179 at 4% or $14,786 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-31$110,868$55,003$1,774iApproximate average salary by contribution assumption: employee only about $44,357 at 4% or $29,572 at 6%; with 50% employer match about $29,572 at 4% or $19,714 at 6%; with 100% employer match about $22,179 at 4% or $14,786 at 6%.
2001130$0$0-
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-30---
2000230$28,419$29,917$997iApproximate average salary by contribution assumption: employee only about $24,931 at 4% or $16,621 at 6%; with 50% employer match about $16,621 at 4% or $11,080 at 6%; with 100% employer match about $12,465 at 4% or $8,310 at 6%.
Wolff'S Plumbing & Heating Inc. 401(K) Savings Plan and Trust-30$28,419$29,917$997iApproximate average salary by contribution assumption: employee only about $24,931 at 4% or $16,621 at 6%; with 50% employer match about $16,621 at 4% or $11,080 at 6%; with 100% employer match about $12,465 at 4% or $8,310 at 6%.
Contractors and Employees Retirement Plan and Trust-2---
199913$10,134$13$4iApproximate average salary by contribution assumption: employee only about $108 at 4% or $72 at 6%; with 50% employer match about $72 at 4% or $48 at 6%; with 100% employer match about $54 at 4% or $36 at 6%.
Contractors and Employees Retirement Plan and Trust-3$10,134$13$4iApproximate average salary by contribution assumption: employee only about $108 at 4% or $72 at 6%; with 50% employer match about $72 at 4% or $48 at 6%; with 100% employer match about $54 at 4% or $36 at 6%.