<SEC-DOCUMENT>0001558370-25-008972-index.html : 20250627
<SEC-HEADER>0001558370-25-008972.hdr.sgml : 20250627
<ACCEPTANCE-DATETIME>20250627164819
ACCESSION NUMBER:		0001558370-25-008972
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20250627
DATE AS OF CHANGE:		20250627
EFFECTIVENESS DATE:		20250627

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Willdan Group, Inc.
		CENTRAL INDEX KEY:			0001370450
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				141951112
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0102

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-288396
		FILM NUMBER:		251087168

	BUSINESS ADDRESS:	
		STREET 1:		2401 EAST KATELLA AVENUE, SUITE 300
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92806
		BUSINESS PHONE:		800-424-9144

	MAIL ADDRESS:	
		STREET 1:		2401 EAST KATELLA AVENUE, SUITE 300
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92806
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>wldn-20250627xs8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: wldn-20250627xs8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>2
<FILENAME>wldn-20250627xex5.htm
<DESCRIPTION>EX-5
<TEXT>
Document 2 - file: wldn-20250627xex5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>3
<FILENAME>wldn-20250627xex23.htm
<DESCRIPTION>EX-23
<TEXT>
Document 3 - file: wldn-20250627xex23.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>wldn-20250627xexfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: wldn-20250627xexfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>wldn-20250627xex5001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: wldn-20250627xex5001.jpg

</DOCUMENT>
</SEC-DOCUMENT>