North Bay Rock & Ready-MIX Inc.
Plan context: Northbay Ready-MIX & Building Materials 401(K) Plan
EIN 68-0335968 • Petaluma, CA • 36 filings • 5 plans
Current Snapshot
Latest Year
2024
2024 Participants
54
2024 Assets
$5,505,574
2024 Contributions
$254,569
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
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 / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 1 | 54 | $5,505,574 | $254,569 | $4,714iApproximate average salary by contribution assumption: employee only about $117,856 at 4% or $78,571 at 6%; with 50% employer match about $78,571 at 4% or $52,380 at 6%; with 100% employer match about $58,928 at 4% or $39,285 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 54 | $5,505,574 | $254,569 | $4,714iApproximate average salary by contribution assumption: employee only about $117,856 at 4% or $78,571 at 6%; with 50% employer match about $78,571 at 4% or $52,380 at 6%; with 100% employer match about $58,928 at 4% or $39,285 at 6%. |
| 2023 | 1 | 55 | $4,734,651 | $224,634 | $4,084iApproximate average salary by contribution assumption: employee only about $102,106 at 4% or $68,071 at 6%; with 50% employer match about $68,071 at 4% or $45,381 at 6%; with 100% employer match about $51,053 at 4% or $34,035 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 55 | $4,734,651 | $224,634 | $4,084iApproximate average salary by contribution assumption: employee only about $102,106 at 4% or $68,071 at 6%; with 50% employer match about $68,071 at 4% or $45,381 at 6%; with 100% employer match about $51,053 at 4% or $34,035 at 6%. |
| 2022 | 1 | 54 | $3,958,191 | $211,567 | $3,918iApproximate average salary by contribution assumption: employee only about $97,948 at 4% or $65,298 at 6%; with 50% employer match about $65,298 at 4% or $43,532 at 6%; with 100% employer match about $48,974 at 4% or $32,649 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 54 | $3,958,191 | $211,567 | $3,918iApproximate average salary by contribution assumption: employee only about $97,948 at 4% or $65,298 at 6%; with 50% employer match about $65,298 at 4% or $43,532 at 6%; with 100% employer match about $48,974 at 4% or $32,649 at 6%. |
| 2021 | 1 | 59 | $4,871,770 | $196,582 | $3,332iApproximate average salary by contribution assumption: employee only about $83,297 at 4% or $55,532 at 6%; with 50% employer match about $55,532 at 4% or $37,021 at 6%; with 100% employer match about $41,649 at 4% or $27,766 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 59 | $4,871,770 | $196,582 | $3,332iApproximate average salary by contribution assumption: employee only about $83,297 at 4% or $55,532 at 6%; with 50% employer match about $55,532 at 4% or $37,021 at 6%; with 100% employer match about $41,649 at 4% or $27,766 at 6%. |
| 2020 | 1 | 57 | $4,920,274 | $137,480 | $2,412iApproximate average salary by contribution assumption: employee only about $60,298 at 4% or $40,199 at 6%; with 50% employer match about $40,199 at 4% or $26,799 at 6%; with 100% employer match about $30,149 at 4% or $20,099 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 57 | $4,920,274 | $137,480 | $2,412iApproximate average salary by contribution assumption: employee only about $60,298 at 4% or $40,199 at 6%; with 50% employer match about $40,199 at 4% or $26,799 at 6%; with 100% employer match about $30,149 at 4% or $20,099 at 6%. |
| 2019 | 1 | 55 | $6,443,964 | $85,728 | $1,559iApproximate average salary by contribution assumption: employee only about $38,967 at 4% or $25,978 at 6%; with 50% employer match about $25,978 at 4% or $17,319 at 6%; with 100% employer match about $19,484 at 4% or $12,989 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 55 | $6,443,964 | $85,728 | $1,559iApproximate average salary by contribution assumption: employee only about $38,967 at 4% or $25,978 at 6%; with 50% employer match about $25,978 at 4% or $17,319 at 6%; with 100% employer match about $19,484 at 4% or $12,989 at 6%. |
| 2018 | 1 | 72 | $6,286,886 | $92,368 | $1,283iApproximate average salary by contribution assumption: employee only about $32,072 at 4% or $21,381 at 6%; with 50% employer match about $21,381 at 4% or $14,254 at 6%; with 100% employer match about $16,036 at 4% or $10,691 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 72 | $6,286,886 | $92,368 | $1,283iApproximate average salary by contribution assumption: employee only about $32,072 at 4% or $21,381 at 6%; with 50% employer match about $21,381 at 4% or $14,254 at 6%; with 100% employer match about $16,036 at 4% or $10,691 at 6%. |
| 2017 | 2 | 33 | $8,799,087 | $315,155 | $9,550iApproximate average salary by contribution assumption: employee only about $238,754 at 4% or $159,169 at 6%; with 50% employer match about $159,169 at 4% or $106,113 at 6%; with 100% employer match about $119,377 at 4% or $79,585 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 33 | $8,799,087 | $246,824 | $7,480iApproximate average salary by contribution assumption: employee only about $186,988 at 4% or $124,659 at 6%; with 50% employer match about $124,659 at 4% or $83,106 at 6%; with 100% employer match about $93,494 at 4% or $62,329 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 0 | $0 | $68,331 | - |
| 2016 | 2 | 71 | $15,054,117 | $578,839 | $8,153iApproximate average salary by contribution assumption: employee only about $203,817 at 4% or $135,878 at 6%; with 50% employer match about $135,878 at 4% or $90,585 at 6%; with 100% employer match about $101,908 at 4% or $67,939 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 71 | $10,427,331 | $388,430 | $5,471iApproximate average salary by contribution assumption: employee only about $136,771 at 4% or $91,181 at 6%; with 50% employer match about $91,181 at 4% or $60,787 at 6%; with 100% employer match about $68,386 at 4% or $45,590 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 65 | $4,626,786 | $190,409 | $2,929iApproximate average salary by contribution assumption: employee only about $73,234 at 4% or $48,823 at 6%; with 50% employer match about $48,823 at 4% or $32,549 at 6%; with 100% employer match about $36,617 at 4% or $24,411 at 6%. |
| 2015 | 2 | 76 | $15,936,472 | $583,757 | $7,681iApproximate average salary by contribution assumption: employee only about $192,025 at 4% or $128,017 at 6%; with 50% employer match about $128,017 at 4% or $85,345 at 6%; with 100% employer match about $96,013 at 4% or $64,008 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 76 | $11,113,082 | $415,064 | $5,461iApproximate average salary by contribution assumption: employee only about $136,534 at 4% or $91,023 at 6%; with 50% employer match about $91,023 at 4% or $60,682 at 6%; with 100% employer match about $68,267 at 4% or $45,511 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 69 | $4,823,390 | $168,693 | $2,445iApproximate average salary by contribution assumption: employee only about $61,121 at 4% or $40,747 at 6%; with 50% employer match about $40,747 at 4% or $27,165 at 6%; with 100% employer match about $30,560 at 4% or $20,374 at 6%. |
| 2014 | 2 | 83 | $16,940,771 | $591,311 | $7,124iApproximate average salary by contribution assumption: employee only about $178,106 at 4% or $118,737 at 6%; with 50% employer match about $118,737 at 4% or $79,158 at 6%; with 100% employer match about $89,053 at 4% or $59,369 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 77 | $12,027,078 | $434,665 | $5,645iApproximate average salary by contribution assumption: employee only about $141,125 at 4% or $94,083 at 6%; with 50% employer match about $94,083 at 4% or $62,722 at 6%; with 100% employer match about $70,563 at 4% or $47,042 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 83 | $4,913,693 | $156,646 | $1,887iApproximate average salary by contribution assumption: employee only about $47,183 at 4% or $31,455 at 6%; with 50% employer match about $31,455 at 4% or $20,970 at 6%; with 100% employer match about $23,591 at 4% or $15,728 at 6%. |
| 2013 | 3 | 75 | $16,676,342 | $522,114 | $6,962iApproximate average salary by contribution assumption: employee only about $174,038 at 4% or $116,025 at 6%; with 50% employer match about $116,025 at 4% or $77,350 at 6%; with 100% employer match about $87,019 at 4% or $58,013 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 75 | $11,533,844 | $356,819 | $4,758iApproximate average salary by contribution assumption: employee only about $118,940 at 4% or $79,293 at 6%; with 50% employer match about $79,293 at 4% or $52,862 at 6%; with 100% employer match about $59,470 at 4% or $39,647 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 50 | $5,142,498 | $165,295 | $3,306iApproximate average salary by contribution assumption: employee only about $82,648 at 4% or $55,098 at 6%; with 50% employer match about $55,098 at 4% or $36,732 at 6%; with 100% employer match about $41,324 at 4% or $27,549 at 6%. |
| NORCAL/SEBASTOPOL READY-MIX DRIVER 401(K) PLAN | - | 0 | $0 | - | - |
| 2012 | 4 | 79 | $14,904,264 | $547,445 | $6,930iApproximate average salary by contribution assumption: employee only about $173,242 at 4% or $115,495 at 6%; with 50% employer match about $115,495 at 4% or $76,996 at 6%; with 100% employer match about $86,621 at 4% or $57,747 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 77 | $9,830,050 | $357,761 | $4,646iApproximate average salary by contribution assumption: employee only about $116,156 at 4% or $77,437 at 6%; with 50% employer match about $77,437 at 4% or $51,625 at 6%; with 100% employer match about $58,078 at 4% or $38,719 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 51 | $4,508,926 | $189,684 | $3,719iApproximate average salary by contribution assumption: employee only about $92,982 at 4% or $61,988 at 6%; with 50% employer match about $61,988 at 4% or $41,325 at 6%; with 100% employer match about $46,491 at 4% or $30,994 at 6%. |
| NORCAL/SEBASTOPOL READY-MIX DRIVER 401(K) PLAN | - | 12 | $565,288 | - | - |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 79 | - | - | - |
| 2011 | 4 | 93 | $14,847,202 | $815,544 | $8,769iApproximate average salary by contribution assumption: employee only about $219,232 at 4% or $146,155 at 6%; with 50% employer match about $146,155 at 4% or $97,437 at 6%; with 100% employer match about $109,616 at 4% or $73,077 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 92 | $10,041,070 | $610,140 | $6,632iApproximate average salary by contribution assumption: employee only about $165,799 at 4% or $110,533 at 6%; with 50% employer match about $110,533 at 4% or $73,688 at 6%; with 100% employer match about $82,899 at 4% or $55,266 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 90 | $4,236,411 | $192,999 | $2,144iApproximate average salary by contribution assumption: employee only about $53,611 at 4% or $35,741 at 6%; with 50% employer match about $35,741 at 4% or $23,827 at 6%; with 100% employer match about $26,805 at 4% or $17,870 at 6%. |
| NORCAL/SEBASTOPOL READY-MIX DRIVER 401(K) PLAN | - | 13 | $569,721 | $12,405 | $954iApproximate average salary by contribution assumption: employee only about $23,856 at 4% or $15,904 at 6%; with 50% employer match about $15,904 at 4% or $10,603 at 6%; with 100% employer match about $11,928 at 4% or $7,952 at 6%. |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 93 | - | - | - |
| 2010 | 4 | 146 | $16,299,725 | $1,191,746 | $8,163iApproximate average salary by contribution assumption: employee only about $204,066 at 4% or $136,044 at 6%; with 50% employer match about $136,044 at 4% or $90,696 at 6%; with 100% employer match about $102,033 at 4% or $68,022 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 129 | $11,064,128 | $915,678 | $7,098iApproximate average salary by contribution assumption: employee only about $177,457 at 4% or $118,305 at 6%; with 50% employer match about $118,305 at 4% or $78,870 at 6%; with 100% employer match about $88,728 at 4% or $59,152 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 45 | $3,312,902 | $163,584 | $3,635iApproximate average salary by contribution assumption: employee only about $90,880 at 4% or $60,587 at 6%; with 50% employer match about $60,587 at 4% or $40,391 at 6%; with 100% employer match about $45,440 at 4% or $30,293 at 6%. |
| NORCAL/SEBASTOPOL READY-MIX DRIVER 401(K) PLAN | - | 25 | $1,922,695 | $112,484 | $4,499iApproximate average salary by contribution assumption: employee only about $112,484 at 4% or $74,989 at 6%; with 50% employer match about $74,989 at 4% or $49,993 at 6%; with 100% employer match about $56,242 at 4% or $37,495 at 6%. |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 146 | - | - | - |
| 2009 | 4 | 209 | $15,485,641 | $1,356,364 | $6,490iApproximate average salary by contribution assumption: employee only about $162,244 at 4% or $108,163 at 6%; with 50% employer match about $108,163 at 4% or $72,109 at 6%; with 100% employer match about $81,122 at 4% or $54,081 at 6%. |
| Northbay Ready-MIX & Building Materials 401(K) Plan | - | 154 | $10,394,340 | $996,092 | $6,468iApproximate average salary by contribution assumption: employee only about $161,703 at 4% or $107,802 at 6%; with 50% employer match about $107,802 at 4% or $71,868 at 6%; with 100% employer match about $80,852 at 4% or $53,901 at 6%. |
| SHAMROCK MATERIALS, INC. SUPPLEMENTAL 401(K) PLAN | - | 73 | $3,232,634 | $171,836 | $2,354iApproximate average salary by contribution assumption: employee only about $58,848 at 4% or $39,232 at 6%; with 50% employer match about $39,232 at 4% or $26,155 at 6%; with 100% employer match about $29,424 at 4% or $19,616 at 6%. |
| NORCAL/SEBASTOPOL READY-MIX DRIVER 401K PLAN | - | 22 | $1,858,667 | $188,436 | $8,565iApproximate average salary by contribution assumption: employee only about $214,132 at 4% or $142,755 at 6%; with 50% employer match about $142,755 at 4% or $95,170 at 6%; with 100% employer match about $107,066 at 4% or $71,377 at 6%. |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 209 | - | - | - |
| 2008 | 1 | 218 | $0 | $0 | - |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 218 | - | - | - |
| 2007 | 1 | 237 | $0 | $0 | - |
| North Bay Rock and Ready MIX Employee Benefit Plan | - | 237 | - | - | - |