Civic Intelligence

Cornerstone Construction Service Inc

Plan context: Cornerstone Construction Service Inc. 401K Plan

EIN 45-3307949 • Upland, CA • 8 filings • 2 plans

1845 W 9th StUpland, CA 91786-5650
Current Snapshot

Latest Year

2025

2025 Participants

8

2025 Assets

$570,947

2025 Contributions

$378,519

Historical Graphs

Total Assets Over Time

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

$570,947$285,474$0202020232025YearValue
$570,947Latest year 2025

Participants Over Time

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

840202020232025YearValue
8Latest 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
202528$570,947$378,519$47,315iApproximate average salary by contribution assumption: employee only about $1,182,872 at 4% or $788,581 at 6%; with 50% employer match about $788,581 at 4% or $525,721 at 6%; with 100% employer match about $591,436 at 4% or $394,291 at 6%.
Cornerstone Construction Service Inc. 401K Plan-8$570,947$378,519$47,315iApproximate average salary by contribution assumption: employee only about $1,182,872 at 4% or $788,581 at 6%; with 50% employer match about $788,581 at 4% or $525,721 at 6%; with 100% employer match about $591,436 at 4% or $394,291 at 6%.
The Contractors Retirement Plan-0$0--
202426$351,280$152,918$25,486iApproximate average salary by contribution assumption: employee only about $637,158 at 4% or $424,772 at 6%; with 50% employer match about $424,772 at 4% or $283,181 at 6%; with 100% employer match about $318,579 at 4% or $212,386 at 6%.
The Contractors Retirement Plan-3$225,253$26,891$8,964iApproximate average salary by contribution assumption: employee only about $224,092 at 4% or $149,394 at 6%; with 50% employer match about $149,394 at 4% or $99,596 at 6%; with 100% employer match about $112,046 at 4% or $74,697 at 6%.
Cornerstone Construction Service Inc. 401K Plan-6$126,027$126,027$21,005iApproximate average salary by contribution assumption: employee only about $525,113 at 4% or $350,075 at 6%; with 50% employer match about $350,075 at 4% or $233,383 at 6%; with 100% employer match about $262,556 at 4% or $175,038 at 6%.
202314$190,463$33,886$8,472iApproximate average salary by contribution assumption: employee only about $211,788 at 4% or $141,192 at 6%; with 50% employer match about $141,192 at 4% or $94,128 at 6%; with 100% employer match about $105,894 at 4% or $70,596 at 6%.
The Contractors Retirement Plan-4$190,463$33,886$8,472iApproximate average salary by contribution assumption: employee only about $211,788 at 4% or $141,192 at 6%; with 50% employer match about $141,192 at 4% or $94,128 at 6%; with 100% employer match about $105,894 at 4% or $70,596 at 6%.
202214$174,713$111,527$27,882iApproximate average salary by contribution assumption: employee only about $697,044 at 4% or $464,696 at 6%; with 50% employer match about $464,696 at 4% or $309,797 at 6%; with 100% employer match about $348,522 at 4% or $232,348 at 6%.
The Contractors Retirement Plan-4$174,713$111,527$27,882iApproximate average salary by contribution assumption: employee only about $697,044 at 4% or $464,696 at 6%; with 50% employer match about $464,696 at 4% or $309,797 at 6%; with 100% employer match about $348,522 at 4% or $232,348 at 6%.
202114$84,547$38,972$9,743iApproximate average salary by contribution assumption: employee only about $243,575 at 4% or $162,383 at 6%; with 50% employer match about $162,383 at 4% or $108,256 at 6%; with 100% employer match about $121,788 at 4% or $81,192 at 6%.
The Contractors Retirement Plan-4$84,547$38,972$9,743iApproximate average salary by contribution assumption: employee only about $243,575 at 4% or $162,383 at 6%; with 50% employer match about $162,383 at 4% or $108,256 at 6%; with 100% employer match about $121,788 at 4% or $81,192 at 6%.
202014$43,643$40,228$10,057iApproximate average salary by contribution assumption: employee only about $251,425 at 4% or $167,617 at 6%; with 50% employer match about $167,617 at 4% or $111,744 at 6%; with 100% employer match about $125,713 at 4% or $83,808 at 6%.
The Contractors Retirement Plan-4$43,643$40,228$10,057iApproximate average salary by contribution assumption: employee only about $251,425 at 4% or $167,617 at 6%; with 50% employer match about $167,617 at 4% or $111,744 at 6%; with 100% employer match about $125,713 at 4% or $83,808 at 6%.