Civic Intelligence

Opperman & Son Inc.

Plan context: Opperman & Son Inc. 401(K) Profit Sharing Plan

EIN 94-1576461 • Healdsburg, CA • 27 filings • 3 plans

280 Kinley DriveHealdsburg, CA 95448
Current Snapshot

Latest Year

2025

2025 Participants

50

2025 Assets

$7,978,464

2025 Contributions

$417,228

Historical Graphs

Total Assets Over Time

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

$10,680,780$5,340,390$0199920132025YearValue
$7,978,464Latest year 2025

Participants Over Time

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

54270199920122025YearValue
50Latest 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
2025150$7,978,464$417,228$8,345iApproximate average salary by contribution assumption: employee only about $208,614 at 4% or $139,076 at 6%; with 50% employer match about $139,076 at 4% or $92,717 at 6%; with 100% employer match about $104,307 at 4% or $69,538 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-50$7,978,464$417,228$8,345iApproximate average salary by contribution assumption: employee only about $208,614 at 4% or $139,076 at 6%; with 50% employer match about $139,076 at 4% or $92,717 at 6%; with 100% employer match about $104,307 at 4% or $69,538 at 6%.
2024149$7,910,158$2,220,586$45,318iApproximate average salary by contribution assumption: employee only about $1,132,952 at 4% or $755,301 at 6%; with 50% employer match about $755,301 at 4% or $503,534 at 6%; with 100% employer match about $566,476 at 4% or $377,651 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-49$7,910,158$2,220,586$45,318iApproximate average salary by contribution assumption: employee only about $1,132,952 at 4% or $755,301 at 6%; with 50% employer match about $755,301 at 4% or $503,534 at 6%; with 100% employer match about $566,476 at 4% or $377,651 at 6%.
2023149$9,381,849$587,909$11,998iApproximate average salary by contribution assumption: employee only about $299,954 at 4% or $199,969 at 6%; with 50% employer match about $199,969 at 4% or $133,313 at 6%; with 100% employer match about $149,977 at 4% or $99,985 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-49$9,381,849$587,909$11,998iApproximate average salary by contribution assumption: employee only about $299,954 at 4% or $199,969 at 6%; with 50% employer match about $199,969 at 4% or $133,313 at 6%; with 100% employer match about $149,977 at 4% or $99,985 at 6%.
2022148$10,157,160$583,381$12,154iApproximate average salary by contribution assumption: employee only about $303,844 at 4% or $202,563 at 6%; with 50% employer match about $202,563 at 4% or $135,042 at 6%; with 100% employer match about $151,922 at 4% or $101,281 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-48$10,157,160$583,381$12,154iApproximate average salary by contribution assumption: employee only about $303,844 at 4% or $202,563 at 6%; with 50% employer match about $202,563 at 4% or $135,042 at 6%; with 100% employer match about $151,922 at 4% or $101,281 at 6%.
2021149$10,680,780$623,748$12,730iApproximate average salary by contribution assumption: employee only about $318,239 at 4% or $212,159 at 6%; with 50% employer match about $212,159 at 4% or $141,439 at 6%; with 100% employer match about $159,119 at 4% or $106,080 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-49$10,680,780$623,748$12,730iApproximate average salary by contribution assumption: employee only about $318,239 at 4% or $212,159 at 6%; with 50% employer match about $212,159 at 4% or $141,439 at 6%; with 100% employer match about $159,119 at 4% or $106,080 at 6%.
2020146$9,703,809$575,307$12,507iApproximate average salary by contribution assumption: employee only about $312,667 at 4% or $208,445 at 6%; with 50% employer match about $208,445 at 4% or $138,963 at 6%; with 100% employer match about $156,333 at 4% or $104,222 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-46$9,703,809$575,307$12,507iApproximate average salary by contribution assumption: employee only about $312,667 at 4% or $208,445 at 6%; with 50% employer match about $208,445 at 4% or $138,963 at 6%; with 100% employer match about $156,333 at 4% or $104,222 at 6%.
2019148$8,344,826$530,378$11,050iApproximate average salary by contribution assumption: employee only about $276,239 at 4% or $184,159 at 6%; with 50% employer match about $184,159 at 4% or $122,773 at 6%; with 100% employer match about $138,119 at 4% or $92,080 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-48$8,344,826$530,378$11,050iApproximate average salary by contribution assumption: employee only about $276,239 at 4% or $184,159 at 6%; with 50% employer match about $184,159 at 4% or $122,773 at 6%; with 100% employer match about $138,119 at 4% or $92,080 at 6%.
2018153$7,756,611$432,085$8,153iApproximate average salary by contribution assumption: employee only about $203,814 at 4% or $135,876 at 6%; with 50% employer match about $135,876 at 4% or $90,584 at 6%; with 100% employer match about $101,907 at 4% or $67,938 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-53$7,756,611$432,085$8,153iApproximate average salary by contribution assumption: employee only about $203,814 at 4% or $135,876 at 6%; with 50% employer match about $135,876 at 4% or $90,584 at 6%; with 100% employer match about $101,907 at 4% or $67,938 at 6%.
2017149$7,727,319$319,537$6,521iApproximate average salary by contribution assumption: employee only about $163,029 at 4% or $108,686 at 6%; with 50% employer match about $108,686 at 4% or $72,457 at 6%; with 100% employer match about $81,515 at 4% or $54,343 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-49$7,727,319$319,537$6,521iApproximate average salary by contribution assumption: employee only about $163,029 at 4% or $108,686 at 6%; with 50% employer match about $108,686 at 4% or $72,457 at 6%; with 100% employer match about $81,515 at 4% or $54,343 at 6%.
2016146$6,963,954$333,464$7,249iApproximate average salary by contribution assumption: employee only about $181,230 at 4% or $120,820 at 6%; with 50% employer match about $120,820 at 4% or $80,547 at 6%; with 100% employer match about $90,615 at 4% or $60,410 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-46$6,963,954$333,464$7,249iApproximate average salary by contribution assumption: employee only about $181,230 at 4% or $120,820 at 6%; with 50% employer match about $120,820 at 4% or $80,547 at 6%; with 100% employer match about $90,615 at 4% or $60,410 at 6%.
2015154$6,404,069$344,370$6,377iApproximate average salary by contribution assumption: employee only about $159,431 at 4% or $106,287 at 6%; with 50% employer match about $106,287 at 4% or $70,858 at 6%; with 100% employer match about $79,715 at 4% or $53,144 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-54$6,404,069$344,370$6,377iApproximate average salary by contribution assumption: employee only about $159,431 at 4% or $106,287 at 6%; with 50% employer match about $106,287 at 4% or $70,858 at 6%; with 100% employer match about $79,715 at 4% or $53,144 at 6%.
2014151$6,189,609$424,308$8,320iApproximate average salary by contribution assumption: employee only about $207,994 at 4% or $138,663 at 6%; with 50% employer match about $138,663 at 4% or $92,442 at 6%; with 100% employer match about $103,997 at 4% or $69,331 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-51$6,189,609$424,308$8,320iApproximate average salary by contribution assumption: employee only about $207,994 at 4% or $138,663 at 6%; with 50% employer match about $138,663 at 4% or $92,442 at 6%; with 100% employer match about $103,997 at 4% or $69,331 at 6%.
2013147$5,539,183$414,324$8,815iApproximate average salary by contribution assumption: employee only about $220,385 at 4% or $146,923 at 6%; with 50% employer match about $146,923 at 4% or $97,949 at 6%; with 100% employer match about $110,193 at 4% or $73,462 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-47$5,539,183$414,324$8,815iApproximate average salary by contribution assumption: employee only about $220,385 at 4% or $146,923 at 6%; with 50% employer match about $146,923 at 4% or $97,949 at 6%; with 100% employer match about $110,193 at 4% or $73,462 at 6%.
2012143$4,163,898$368,660$8,573iApproximate average salary by contribution assumption: employee only about $214,337 at 4% or $142,891 at 6%; with 50% employer match about $142,891 at 4% or $95,261 at 6%; with 100% employer match about $107,169 at 4% or $71,446 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-43$4,163,898$368,660$8,573iApproximate average salary by contribution assumption: employee only about $214,337 at 4% or $142,891 at 6%; with 50% employer match about $142,891 at 4% or $95,261 at 6%; with 100% employer match about $107,169 at 4% or $71,446 at 6%.
2011138$3,622,961$515,654$13,570iApproximate average salary by contribution assumption: employee only about $339,246 at 4% or $226,164 at 6%; with 50% employer match about $226,164 at 4% or $150,776 at 6%; with 100% employer match about $169,623 at 4% or $113,082 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-38$3,622,961$515,654$13,570iApproximate average salary by contribution assumption: employee only about $339,246 at 4% or $226,164 at 6%; with 50% employer match about $226,164 at 4% or $150,776 at 6%; with 100% employer match about $169,623 at 4% or $113,082 at 6%.
2010148$3,214,170$314,285$6,548iApproximate average salary by contribution assumption: employee only about $163,690 at 4% or $109,127 at 6%; with 50% employer match about $109,127 at 4% or $72,751 at 6%; with 100% employer match about $81,845 at 4% or $54,563 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-48$3,214,170$314,285$6,548iApproximate average salary by contribution assumption: employee only about $163,690 at 4% or $109,127 at 6%; with 50% employer match about $109,127 at 4% or $72,751 at 6%; with 100% employer match about $81,845 at 4% or $54,563 at 6%.
2009133$4,709,945$231,846$7,026iApproximate average salary by contribution assumption: employee only about $175,641 at 4% or $117,094 at 6%; with 50% employer match about $117,094 at 4% or $78,063 at 6%; with 100% employer match about $87,820 at 4% or $58,547 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-33$4,709,945$231,846$7,026iApproximate average salary by contribution assumption: employee only about $175,641 at 4% or $117,094 at 6%; with 50% employer match about $117,094 at 4% or $78,063 at 6%; with 100% employer match about $87,820 at 4% or $58,547 at 6%.
2008128$4,501,478$97,845$3,494iApproximate average salary by contribution assumption: employee only about $87,362 at 4% or $58,241 at 6%; with 50% employer match about $58,241 at 4% or $38,827 at 6%; with 100% employer match about $43,681 at 4% or $29,121 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-28$4,501,478$97,845$3,494iApproximate average salary by contribution assumption: employee only about $87,362 at 4% or $58,241 at 6%; with 50% employer match about $58,241 at 4% or $38,827 at 6%; with 100% employer match about $43,681 at 4% or $29,121 at 6%.
2007135$0$0-
Opperman & Son Inc. 401(K) Profit Sharing Plan-35---
2006134$4,534,107$395,000$11,618iApproximate average salary by contribution assumption: employee only about $290,441 at 4% or $193,627 at 6%; with 50% employer match about $193,627 at 4% or $129,085 at 6%; with 100% employer match about $145,221 at 4% or $96,814 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-34$4,534,107$395,000$11,618iApproximate average salary by contribution assumption: employee only about $290,441 at 4% or $193,627 at 6%; with 50% employer match about $193,627 at 4% or $129,085 at 6%; with 100% employer match about $145,221 at 4% or $96,814 at 6%.
2005138$3,351,690$347,243$9,138iApproximate average salary by contribution assumption: employee only about $228,449 at 4% or $152,300 at 6%; with 50% employer match about $152,300 at 4% or $101,533 at 6%; with 100% employer match about $114,225 at 4% or $76,150 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-38$3,351,690$347,243$9,138iApproximate average salary by contribution assumption: employee only about $228,449 at 4% or $152,300 at 6%; with 50% employer match about $152,300 at 4% or $101,533 at 6%; with 100% employer match about $114,225 at 4% or $76,150 at 6%.
2004132$3,349,276$264,385$8,262iApproximate average salary by contribution assumption: employee only about $206,551 at 4% or $137,701 at 6%; with 50% employer match about $137,701 at 4% or $91,800 at 6%; with 100% employer match about $103,275 at 4% or $68,850 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-32$3,349,276$264,385$8,262iApproximate average salary by contribution assumption: employee only about $206,551 at 4% or $137,701 at 6%; with 50% employer match about $137,701 at 4% or $91,800 at 6%; with 100% employer match about $103,275 at 4% or $68,850 at 6%.
2003128$3,093,871$254,755$9,098iApproximate average salary by contribution assumption: employee only about $227,460 at 4% or $151,640 at 6%; with 50% employer match about $151,640 at 4% or $101,093 at 6%; with 100% employer match about $113,730 at 4% or $75,820 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-28$3,093,871$254,755$9,098iApproximate average salary by contribution assumption: employee only about $227,460 at 4% or $151,640 at 6%; with 50% employer match about $151,640 at 4% or $101,093 at 6%; with 100% employer match about $113,730 at 4% or $75,820 at 6%.
2002126$2,800,534$202,294$7,781iApproximate average salary by contribution assumption: employee only about $194,513 at 4% or $129,676 at 6%; with 50% employer match about $129,676 at 4% or $86,450 at 6%; with 100% employer match about $97,257 at 4% or $64,838 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-26$2,800,534$202,294$7,781iApproximate average salary by contribution assumption: employee only about $194,513 at 4% or $129,676 at 6%; with 50% employer match about $129,676 at 4% or $86,450 at 6%; with 100% employer match about $97,257 at 4% or $64,838 at 6%.
2001128$4,568,445$176,350$6,298iApproximate average salary by contribution assumption: employee only about $157,455 at 4% or $104,970 at 6%; with 50% employer match about $104,970 at 4% or $69,980 at 6%; with 100% employer match about $78,728 at 4% or $52,485 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-28$4,568,445$176,350$6,298iApproximate average salary by contribution assumption: employee only about $157,455 at 4% or $104,970 at 6%; with 50% employer match about $104,970 at 4% or $69,980 at 6%; with 100% employer match about $78,728 at 4% or $52,485 at 6%.
2000135$4,719,420$158,958$4,542iApproximate average salary by contribution assumption: employee only about $113,541 at 4% or $75,694 at 6%; with 50% employer match about $75,694 at 4% or $50,463 at 6%; with 100% employer match about $56,771 at 4% or $37,847 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-35$4,719,420$158,958$4,542iApproximate average salary by contribution assumption: employee only about $113,541 at 4% or $75,694 at 6%; with 50% employer match about $75,694 at 4% or $50,463 at 6%; with 100% employer match about $56,771 at 4% or $37,847 at 6%.
1999133$4,800,896$21,043$638iApproximate average salary by contribution assumption: employee only about $15,942 at 4% or $10,628 at 6%; with 50% employer match about $10,628 at 4% or $7,085 at 6%; with 100% employer match about $7,971 at 4% or $5,314 at 6%.
Opperman & Son Inc. 401(K) Profit Sharing Plan-33$4,800,896$21,043$638iApproximate average salary by contribution assumption: employee only about $15,942 at 4% or $10,628 at 6%; with 50% employer match about $10,628 at 4% or $7,085 at 6%; with 100% employer match about $7,971 at 4% or $5,314 at 6%.