<SEC-DOCUMENT>0001628280-21-000075.txt : 20210105
<SEC-HEADER>0001628280-21-000075.hdr.sgml : 20210105
<ACCEPTANCE-DATETIME>20210105164732
ACCESSION NUMBER:		0001628280-21-000075
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210101
FILED AS OF DATE:		20210105
DATE AS OF CHANGE:		20210105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Krzeminski Laurel J
		CENTRAL INDEX KEY:			0001493187

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36541
		FILM NUMBER:		21506531

	MAIL ADDRESS:	
		STREET 1:		585 WEST BEACH STREET
		STREET 2:		PO BOX 50085
		CITY:			WATSONVILLE
		STATE:			CA
		ZIP:			95076

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Limbach Holdings, Inc.
		CENTRAL INDEX KEY:			0001606163
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1251 WATERFRONT PLACE
		STREET 2:		SUITE 201
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222
		BUSINESS PHONE:		(412) 359-2100

	MAIL ADDRESS:	
		STREET 1:		1251 WATERFRONT PLACE
		STREET 2:		SUITE 201
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	1347 Capital Corp
		DATE OF NAME CHANGE:	20140422
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Each restricted stock unit (&quot;RSU&quot;) represents a contingent right to receive one share of Limbach Holdings, Inc. (the &quot;Company&quot;) common stock, exempt under Rule 16b-3.</footnote>
        <footnote id="F2">This award of RSUs was granted on 06/01/2018. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2019, January 1, 2020 and January 1, 2021, subject to continued service through the applicable vesting date.</footnote>
        <footnote id="F3">This award of RSUs was granted on 02/27/2019. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2020, January 1, 2021 and January 1, 2022, subject to continued service through the applicable vesting date.</footnote>
        <footnote id="F4">This award of RSUs was granted on 01/01/2020. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2021, January 1, 2022 and January 1, 2023, subject to continued service through the applicable vesting date.</footnote>
        <footnote id="F5">This award of RSUs was granted on 1/1/2021. The award is subject to service-based vesting conditions and vests in equal annual installments on each of January 1, 2022, January 1, 2023 and January 1, 2024, subject to continued employment through the applicable vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeremiah G. Garvey, Attorney-in-Fact for Laurel J. Krzeminski</signatureName>
        <signatureDate>2021-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
