<SEC-DOCUMENT>0001104659-24-032459-index.html : 20240308
<SEC-HEADER>0001104659-24-032459.hdr.sgml : 20240308
<ACCEPTANCE-DATETIME>20240308165557
ACCESSION NUMBER:		0001104659-24-032459
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20240308
DATE AS OF CHANGE:		20240308

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
		IRS NUMBER:				141951112
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-277798
		FILM NUMBER:		24735271

	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-3
<SEQUENCE>1
<FILENAME>tm246759-1_s3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: tm246759-1_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>tm246759d2_ex4-3.htm
<DESCRIPTION>EXHIBIT 4.3
<TEXT>
Document 2 - file: tm246759d2_ex4-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>tm246759d2_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 3 - file: tm246759d2_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>tm246759d2_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 4 - file: tm246759d2_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>5
<FILENAME>tm246759d2_ex-filingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 5 - file: tm246759d2_ex-filingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm246759d2_ex5-1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm246759d2_ex5-1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>lg_willdannew-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: lg_willdannew-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>