Civic Intelligence

S 3 Plumbing & Mechanical LLC

Plan context: S 3 Plumbing & Mechanical 401(K) Plan

EIN 27-2850814 • Barrington, IL • 11 filings • 1 plans

1435 S Barrington RoadBarrington, IL 60010
Current Snapshot

Latest Year

2025

2025 Participants

21

2025 Assets

$563,109

2025 Contributions

$80,143

Historical Graphs

Total Assets Over Time

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

$563,109$281,555$0201520202025YearValue
$563,109Latest year 2025

Participants Over Time

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

42210201520202025YearValue
21Latest 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
2025121$563,109$80,143$3,816iApproximate average salary by contribution assumption: employee only about $95,408 at 4% or $63,606 at 6%; with 50% employer match about $63,606 at 4% or $42,404 at 6%; with 100% employer match about $47,704 at 4% or $31,803 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-21$563,109$80,143$3,816iApproximate average salary by contribution assumption: employee only about $95,408 at 4% or $63,606 at 6%; with 50% employer match about $63,606 at 4% or $42,404 at 6%; with 100% employer match about $47,704 at 4% or $31,803 at 6%.
2024121$420,834$60,459$2,879iApproximate average salary by contribution assumption: employee only about $71,975 at 4% or $47,983 at 6%; with 50% employer match about $47,983 at 4% or $31,989 at 6%; with 100% employer match about $35,988 at 4% or $23,992 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-21$420,834$60,459$2,879iApproximate average salary by contribution assumption: employee only about $71,975 at 4% or $47,983 at 6%; with 50% employer match about $47,983 at 4% or $31,989 at 6%; with 100% employer match about $35,988 at 4% or $23,992 at 6%.
2023116$324,283$84,138$5,259iApproximate average salary by contribution assumption: employee only about $131,466 at 4% or $87,644 at 6%; with 50% employer match about $87,644 at 4% or $58,429 at 6%; with 100% employer match about $65,733 at 4% or $43,822 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-16$324,283$84,138$5,259iApproximate average salary by contribution assumption: employee only about $131,466 at 4% or $87,644 at 6%; with 50% employer match about $87,644 at 4% or $58,429 at 6%; with 100% employer match about $65,733 at 4% or $43,822 at 6%.
2022122$367,329$83,596$3,800iApproximate average salary by contribution assumption: employee only about $94,995 at 4% or $63,330 at 6%; with 50% employer match about $63,330 at 4% or $42,220 at 6%; with 100% employer match about $47,498 at 4% or $31,665 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-22$367,329$83,596$3,800iApproximate average salary by contribution assumption: employee only about $94,995 at 4% or $63,330 at 6%; with 50% employer match about $63,330 at 4% or $42,220 at 6%; with 100% employer match about $47,498 at 4% or $31,665 at 6%.
2021129$412,263$55,498$1,914iApproximate average salary by contribution assumption: employee only about $47,843 at 4% or $31,895 at 6%; with 50% employer match about $31,895 at 4% or $21,264 at 6%; with 100% employer match about $23,922 at 4% or $15,948 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-29$412,263$55,498$1,914iApproximate average salary by contribution assumption: employee only about $47,843 at 4% or $31,895 at 6%; with 50% employer match about $31,895 at 4% or $21,264 at 6%; with 100% employer match about $23,922 at 4% or $15,948 at 6%.
2020131$385,419$53,964$1,741iApproximate average salary by contribution assumption: employee only about $43,519 at 4% or $29,013 at 6%; with 50% employer match about $29,013 at 4% or $19,342 at 6%; with 100% employer match about $21,760 at 4% or $14,506 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-31$385,419$53,964$1,741iApproximate average salary by contribution assumption: employee only about $43,519 at 4% or $29,013 at 6%; with 50% employer match about $29,013 at 4% or $19,342 at 6%; with 100% employer match about $21,760 at 4% or $14,506 at 6%.
2019130$327,713$66,677$2,223iApproximate average salary by contribution assumption: employee only about $55,564 at 4% or $37,043 at 6%; with 50% employer match about $37,043 at 4% or $24,695 at 6%; with 100% employer match about $27,782 at 4% or $18,521 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-30$327,713$66,677$2,223iApproximate average salary by contribution assumption: employee only about $55,564 at 4% or $37,043 at 6%; with 50% employer match about $37,043 at 4% or $24,695 at 6%; with 100% employer match about $27,782 at 4% or $18,521 at 6%.
2018136$312,547$66,218$1,839iApproximate average salary by contribution assumption: employee only about $45,985 at 4% or $30,656 at 6%; with 50% employer match about $30,656 at 4% or $20,438 at 6%; with 100% employer match about $22,992 at 4% or $15,328 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-36$312,547$66,218$1,839iApproximate average salary by contribution assumption: employee only about $45,985 at 4% or $30,656 at 6%; with 50% employer match about $30,656 at 4% or $20,438 at 6%; with 100% employer match about $22,992 at 4% or $15,328 at 6%.
2017139$345,298$73,032$1,873iApproximate average salary by contribution assumption: employee only about $46,815 at 4% or $31,210 at 6%; with 50% employer match about $31,210 at 4% or $20,807 at 6%; with 100% employer match about $23,408 at 4% or $15,605 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-39$345,298$73,032$1,873iApproximate average salary by contribution assumption: employee only about $46,815 at 4% or $31,210 at 6%; with 50% employer match about $31,210 at 4% or $20,807 at 6%; with 100% employer match about $23,408 at 4% or $15,605 at 6%.
2016142$274,796$159,257$3,792iApproximate average salary by contribution assumption: employee only about $94,796 at 4% or $63,197 at 6%; with 50% employer match about $63,197 at 4% or $42,131 at 6%; with 100% employer match about $47,398 at 4% or $31,599 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-42$274,796$159,257$3,792iApproximate average salary by contribution assumption: employee only about $94,796 at 4% or $63,197 at 6%; with 50% employer match about $63,197 at 4% or $42,131 at 6%; with 100% employer match about $47,398 at 4% or $31,599 at 6%.
2015119$106,666$111,359$5,861iApproximate average salary by contribution assumption: employee only about $146,525 at 4% or $97,683 at 6%; with 50% employer match about $97,683 at 4% or $65,122 at 6%; with 100% employer match about $73,263 at 4% or $48,842 at 6%.
S 3 Plumbing & Mechanical 401(K) Plan-19$106,666$111,359$5,861iApproximate average salary by contribution assumption: employee only about $146,525 at 4% or $97,683 at 6%; with 50% employer match about $97,683 at 4% or $65,122 at 6%; with 100% employer match about $73,263 at 4% or $48,842 at 6%.