Civic Intelligence

Cornerstone Staffing Solutions Inc.

Plan context: C.S.S.I 401-K Plan

EIN 03-0506501 • Pleasanton, CA • 29 filings • 4 plans

5820 Stoneridge Mall RoadSuite 205Pleasanton, CA 94588
Current Snapshot

Latest Year

2025

2025 Participants

46

2025 Assets

$2,005,513

2025 Contributions

$182,636

Historical Graphs

Total Assets Over Time

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

$2,016,938$1,008,469$0200520162025YearValue
$2,005,513Latest year 2025

Participants Over Time

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

2,7241,3620200520152025YearValue
46Latest 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
2025146$2,005,513$182,636$3,970iApproximate average salary by contribution assumption: employee only about $99,259 at 4% or $66,172 at 6%; with 50% employer match about $66,172 at 4% or $44,115 at 6%; with 100% employer match about $49,629 at 4% or $33,086 at 6%.
C.S.S.I 401-K Plan-46$2,005,513$182,636$3,970iApproximate average salary by contribution assumption: employee only about $99,259 at 4% or $66,172 at 6%; with 50% employer match about $66,172 at 4% or $44,115 at 6%; with 100% employer match about $49,629 at 4% or $33,086 at 6%.
2024194$1,832,119$150,269$1,599iApproximate average salary by contribution assumption: employee only about $39,965 at 4% or $26,643 at 6%; with 50% employer match about $26,643 at 4% or $17,762 at 6%; with 100% employer match about $19,983 at 4% or $13,322 at 6%.
C.S.S.I 401-K Plan-94$1,832,119$150,269$1,599iApproximate average salary by contribution assumption: employee only about $39,965 at 4% or $26,643 at 6%; with 50% employer match about $26,643 at 4% or $17,762 at 6%; with 100% employer match about $19,983 at 4% or $13,322 at 6%.
2023189$1,932,578$208,012$2,337iApproximate average salary by contribution assumption: employee only about $58,430 at 4% or $38,954 at 6%; with 50% employer match about $38,954 at 4% or $25,969 at 6%; with 100% employer match about $29,215 at 4% or $19,477 at 6%.
C.S.S.I 401-K Plan-89$1,932,578$208,012$2,337iApproximate average salary by contribution assumption: employee only about $58,430 at 4% or $38,954 at 6%; with 50% employer match about $38,954 at 4% or $25,969 at 6%; with 100% employer match about $29,215 at 4% or $19,477 at 6%.
20221442$1,740,791$207,440$469iApproximate average salary by contribution assumption: employee only about $11,733 at 4% or $7,822 at 6%; with 50% employer match about $7,822 at 4% or $5,215 at 6%; with 100% employer match about $5,867 at 4% or $3,911 at 6%.
C.S.S.I 401-K Plan-442$1,740,791$207,440$469iApproximate average salary by contribution assumption: employee only about $11,733 at 4% or $7,822 at 6%; with 50% employer match about $7,822 at 4% or $5,215 at 6%; with 100% employer match about $5,867 at 4% or $3,911 at 6%.
20211414$2,016,938$228,436$552iApproximate average salary by contribution assumption: employee only about $13,794 at 4% or $9,196 at 6%; with 50% employer match about $9,196 at 4% or $6,131 at 6%; with 100% employer match about $6,897 at 4% or $4,598 at 6%.
C.S.S.I 401-K Plan-414$2,016,938$228,436$552iApproximate average salary by contribution assumption: employee only about $13,794 at 4% or $9,196 at 6%; with 50% employer match about $9,196 at 4% or $6,131 at 6%; with 100% employer match about $6,897 at 4% or $4,598 at 6%.
20201674$1,647,499$187,567$278iApproximate average salary by contribution assumption: employee only about $6,957 at 4% or $4,638 at 6%; with 50% employer match about $4,638 at 4% or $3,092 at 6%; with 100% employer match about $3,479 at 4% or $2,319 at 6%.
C.S.S.I 401-K Plan-674$1,647,499$187,567$278iApproximate average salary by contribution assumption: employee only about $6,957 at 4% or $4,638 at 6%; with 50% employer match about $4,638 at 4% or $3,092 at 6%; with 100% employer match about $3,479 at 4% or $2,319 at 6%.
20191425$1,402,859$245,602$578iApproximate average salary by contribution assumption: employee only about $14,447 at 4% or $9,631 at 6%; with 50% employer match about $9,631 at 4% or $6,421 at 6%; with 100% employer match about $7,224 at 4% or $4,816 at 6%.
C.S.S.I 401-K Plan-425$1,402,859$245,602$578iApproximate average salary by contribution assumption: employee only about $14,447 at 4% or $9,631 at 6%; with 50% employer match about $9,631 at 4% or $6,421 at 6%; with 100% employer match about $7,224 at 4% or $4,816 at 6%.
20181675$1,163,791$235,366$349iApproximate average salary by contribution assumption: employee only about $8,717 at 4% or $5,812 at 6%; with 50% employer match about $5,812 at 4% or $3,874 at 6%; with 100% employer match about $4,359 at 4% or $2,906 at 6%.
C.S.S.I 401-K Plan-675$1,163,791$235,366$349iApproximate average salary by contribution assumption: employee only about $8,717 at 4% or $5,812 at 6%; with 50% employer match about $5,812 at 4% or $3,874 at 6%; with 100% employer match about $4,359 at 4% or $2,906 at 6%.
20172960$1,107,779$198,075$206iApproximate average salary by contribution assumption: employee only about $5,158 at 4% or $3,439 at 6%; with 50% employer match about $3,439 at 4% or $2,293 at 6%; with 100% employer match about $2,579 at 4% or $1,719 at 6%.
C.S.S.I 401-K Plan-960$1,107,779$198,075$206iApproximate average salary by contribution assumption: employee only about $5,158 at 4% or $3,439 at 6%; with 50% employer match about $3,439 at 4% or $2,293 at 6%; with 100% employer match about $2,579 at 4% or $1,719 at 6%.
C. S. S. I. Welfare Benefits Plan-83---
20162422$1,069,602$213,603$506iApproximate average salary by contribution assumption: employee only about $12,654 at 4% or $8,436 at 6%; with 50% employer match about $8,436 at 4% or $5,624 at 6%; with 100% employer match about $6,327 at 4% or $4,218 at 6%.
C.S.S.I 401-K Plan-422$1,069,602$213,603$506iApproximate average salary by contribution assumption: employee only about $12,654 at 4% or $8,436 at 6%; with 50% employer match about $8,436 at 4% or $5,624 at 6%; with 100% employer match about $6,327 at 4% or $4,218 at 6%.
C. S. S. I. Welfare Benefits Plan-116---
201522,724$911,687$160,408$59iApproximate average salary by contribution assumption: employee only about $1,472 at 4% or $981 at 6%; with 50% employer match about $981 at 4% or $654 at 6%; with 100% employer match about $736 at 4% or $491 at 6%.
C.S.S.I 401-K Plan-2,724$911,687$160,408$59iApproximate average salary by contribution assumption: employee only about $1,472 at 4% or $981 at 6%; with 50% employer match about $981 at 4% or $654 at 6%; with 100% employer match about $736 at 4% or $491 at 6%.
C. S. S. I. Welfare Benefits Plan-220---
20142473$818,749$124,907$264iApproximate average salary by contribution assumption: employee only about $6,602 at 4% or $4,401 at 6%; with 50% employer match about $4,401 at 4% or $2,934 at 6%; with 100% employer match about $3,301 at 4% or $2,201 at 6%.
C.S.S.I 401-K Plan-473$818,749$124,907$264iApproximate average salary by contribution assumption: employee only about $6,602 at 4% or $4,401 at 6%; with 50% employer match about $4,401 at 4% or $2,934 at 6%; with 100% employer match about $3,301 at 4% or $2,201 at 6%.
C. S. S. I. Welfare Benefits Plan-209---
20132218$905,047$111,600$512iApproximate average salary by contribution assumption: employee only about $12,798 at 4% or $8,532 at 6%; with 50% employer match about $8,532 at 4% or $5,688 at 6%; with 100% employer match about $6,399 at 4% or $4,266 at 6%.
C.S.S.I 401-K Plan-90$905,047$111,600$1,240iApproximate average salary by contribution assumption: employee only about $31,000 at 4% or $20,667 at 6%; with 50% employer match about $20,667 at 4% or $13,778 at 6%; with 100% employer match about $15,500 at 4% or $10,333 at 6%.
C. S. S. I. Welfare Benefits Plan-218---
20122221$748,145$134,115$607iApproximate average salary by contribution assumption: employee only about $15,171 at 4% or $10,114 at 6%; with 50% employer match about $10,114 at 4% or $6,743 at 6%; with 100% employer match about $7,586 at 4% or $5,057 at 6%.
C.S.S.I 401-K Plan-90$748,145$134,115$1,490iApproximate average salary by contribution assumption: employee only about $37,254 at 4% or $24,836 at 6%; with 50% employer match about $24,836 at 4% or $16,557 at 6%; with 100% employer match about $18,627 at 4% or $12,418 at 6%.
C. S. S. I. Welfare Benefits Plan-221---
20112116$610,268$150,248$1,295iApproximate average salary by contribution assumption: employee only about $32,381 at 4% or $21,587 at 6%; with 50% employer match about $21,587 at 4% or $14,392 at 6%; with 100% employer match about $16,191 at 4% or $10,794 at 6%.
C.S.S.I 401-K Plan-86$610,268$150,248$1,747iApproximate average salary by contribution assumption: employee only about $43,677 at 4% or $29,118 at 6%; with 50% employer match about $29,118 at 4% or $19,412 at 6%; with 100% employer match about $21,838 at 4% or $14,559 at 6%.
C. S. S. I. Welfare Benefits Plan-116---
20102127$586,339$150,133$1,182iApproximate average salary by contribution assumption: employee only about $29,554 at 4% or $19,702 at 6%; with 50% employer match about $19,702 at 4% or $13,135 at 6%; with 100% employer match about $14,777 at 4% or $9,851 at 6%.
C.S.S.I 401-K Plan-127$586,339$150,133$1,182iApproximate average salary by contribution assumption: employee only about $29,554 at 4% or $19,702 at 6%; with 50% employer match about $19,702 at 4% or $13,135 at 6%; with 100% employer match about $14,777 at 4% or $9,851 at 6%.
C. S. S. I. Welfare Benefits Plan-106---
20091145$474,463$171,205$1,181iApproximate average salary by contribution assumption: employee only about $29,518 at 4% or $19,679 at 6%; with 50% employer match about $19,679 at 4% or $13,119 at 6%; with 100% employer match about $14,759 at 4% or $9,839 at 6%.
C.S.S.I 401-K Plan-145$474,463$171,205$1,181iApproximate average salary by contribution assumption: employee only about $29,518 at 4% or $19,679 at 6%; with 50% employer match about $19,679 at 4% or $13,119 at 6%; with 100% employer match about $14,759 at 4% or $9,839 at 6%.
20081204$297,824$202,432$992iApproximate average salary by contribution assumption: employee only about $24,808 at 4% or $16,539 at 6%; with 50% employer match about $16,539 at 4% or $11,026 at 6%; with 100% employer match about $12,404 at 4% or $8,269 at 6%.
C.S.S.I 401-K Plan-204$297,824$202,432$992iApproximate average salary by contribution assumption: employee only about $24,808 at 4% or $16,539 at 6%; with 50% employer match about $16,539 at 4% or $11,026 at 6%; with 100% employer match about $12,404 at 4% or $8,269 at 6%.
20071164$0$0-
C.S.S.I 401-K Plan-164---
2006176$121,412$93,915$1,236iApproximate average salary by contribution assumption: employee only about $30,893 at 4% or $20,595 at 6%; with 50% employer match about $20,595 at 4% or $13,730 at 6%; with 100% employer match about $15,447 at 4% or $10,298 at 6%.
C.S.S.I 401-K Plan-76$121,412$93,915$1,236iApproximate average salary by contribution assumption: employee only about $30,893 at 4% or $20,595 at 6%; with 50% employer match about $20,595 at 4% or $13,730 at 6%; with 100% employer match about $15,447 at 4% or $10,298 at 6%.
2005159$25,680$25,568$433iApproximate average salary by contribution assumption: employee only about $10,834 at 4% or $7,223 at 6%; with 50% employer match about $7,223 at 4% or $4,815 at 6%; with 100% employer match about $5,417 at 4% or $3,611 at 6%.
C.S.S.I 401-K Plan-59$25,680$25,568$433iApproximate average salary by contribution assumption: employee only about $10,834 at 4% or $7,223 at 6%; with 50% employer match about $7,223 at 4% or $4,815 at 6%; with 100% employer match about $5,417 at 4% or $3,611 at 6%.