401(k) · DOL Form 5500 · 2023

Willdan Group, Inc. 401(k) Plan

Data updated 2026-08-11

$132M
Total assets: 1,508
Participants: 93rd
Percentile by assets: $87,262
Avg per participant

Official DOL plan name: Willdan Group, Inc 401(k) Plan · Sponsored by Willdan Group, Inc. · California · Professional & Technical Services

$132M in assets, 1,508 participants

Willdan Group, Inc.'s Willdan Group, Inc 401(k) Plan reported $132M in total assets and 1,508 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

93rd percentile by assets (of 127,072 plans)
#19,137 in Professional & Technical Services (20,321 peers)

Coverage in California

Willdan Group, Inc 401(k) Plan covers 1,508 participants in California, 2.4x the typical California plan (state average ~630 per filing). Assets: $132M.

$132M
total plan assets (2023 EOY): 1,508
covered participants: 93rd
percentile by assets (of 127,072 plans): $87,262
avg assets per participant

Where Willdan Group, Inc 401(k) Plan sits by total assets

Willdan Group, Inc 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$131,591,629 Top 7% higher than 93% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Willdan Group, Inc 401(k) Plan reported net income rose from -$14M in the plan year 2022 filing to $22M in the plan year 2023 filing.
Willdan Group, Inc 401(k) Plan end-of-year assets rose from $109M in the plan year 2022 filing to $132M in the plan year 2023 filing.
Willdan Group, Inc 401(k) Plan reported participants fell from 1,578 in the plan year 2022 filing to 1,508 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

California

Industry

Professional & Technical Services

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Willdan Group, Inc 401(k) Plan reports 1,508 participants - 2.4x that state average ($132M EOY assets).

California filing particulars

Total Assets (Beginning of Year)	$109M
Net Assets (End of Year)	$132M
Net Income	$22M
Employer EIN	141951112
Plan Effective Date	1974-04-18
Filing Status	FILING RECEIVED

Sponsor Plan History (Willdan Group, Inc.)

Total plan assets by year, all Willdan Group, Inc. plans on file

Year	Plans	Participants	Total Assets
2022	1	1,578	$109M
2023	1	1,508	$132M
2024	1	1,631	$149M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Willdan Group, Inc 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Wells Fargo & Company 401(k) Plan $51.8B · 193,919
Google LLC 401(k) Savings Plan $39.0B · 122,867
Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
Intel 401(k) Savings Plan $22.2B · 59,863
Apple 401(k) Plan $19.8B · 106,111

Compare Willdan Group, Inc 401(k) Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Willdan Group, Inc 401(k) Plan by total assets, not by location.

Rec Silicon, Inc. 401(k) and Savings Plan (WA) $132M · 355
Boomi, LP 401(k) Plan (PA) $132M · 972
Cold Spring Granite Company 401(k) Retirement Plan (MN) $132M · 878
Southern Veterinary Partners, LLC 401(k) Plan (AL) $132M · 8,298

Frequently Asked Questions

How did Willdan Group, Inc 401(k) Plan assets move in 2023? ▼

Willdan Group, Inc 401(k) Plan grew sharply - up 20.4% during 2023, from $109M to $132M. Reported net income was $22M.

How have Willdan Group, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Willdan Group, Inc.'s sponsor-wide assets grew 36.2%, from $109M to $149M.

Where does Willdan Group, Inc 401(k) Plan rank by assets among Form 5500 filers? ▼

Willdan Group, Inc 401(k) Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).

Which 401(k) plans are similar in size to Willdan Group, Inc 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Rec Silicon, Inc. 401(k) and Savings Plan in WA ($132M, 355 participants).

Next read for Willdan Group, Inc 401(k) Plan

Filing takeaways

Ways to act on Willdan Group, Inc 401(k) Plan's numbers.

By total assets, Willdan Group, Inc 401(k) Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
Willdan Group, Inc.'s sponsor-wide assets have grown 36.2% since 2022 across 3 plan years on file. More Professional & Technical Services plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 141951112.