<SEC-DOCUMENT>0001558370-18-003135-index.html : 20180420
<SEC-HEADER>0001558370-18-003135.hdr.sgml : 20180420
<ACCEPTANCE-DATETIME>20180420160531
ACCESSION NUMBER:		0001558370-18-003135
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180614
FILED AS OF DATE:		20180420
DATE AS OF CHANGE:		20180420
EFFECTIVENESS DATE:		20180420

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Willdan Group, Inc.
		CENTRAL INDEX KEY:			0001370450
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		IRS NUMBER:				141951112
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33076
		FILM NUMBER:		18766699

	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>DEF 14A
<SEQUENCE>1
<FILENAME>def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>def14ag001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: def14ag001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>def14ag002.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: def14ag002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>def14ag003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: def14ag003.gif

</DOCUMENT>
</SEC-DOCUMENT>