<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
	<headerData>
        <submissionType>144</submissionType>
                <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001233330</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
        <liveTestFlag>LIVE</liveTestFlag>




                </filerInfo>
    </headerData>

     <formData>
        <issuerInfo>
            <issuerCik>0001476034</issuerCik>
			<issuerName>METROPOLITAN BANK HOLDING CORP.</issuerName>


			    <secFileNumber>001-38282</secFileNumber>


			<issuerAddress>
				<com:street1>99 PARK AVENUE</com:street1>
                				<com:city>NEW YORK</com:city>
				<com:stateOrCountry>NY</com:stateOrCountry>
				<com:zipCode>10016</com:zipCode>
			</issuerAddress>

			<issuerContactPhone>2123017909</issuerContactPhone>
			<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>TERENCE J MITCHELL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>

			<relationshipsToIssuer>
                                				    <relationshipToIssuer>Director</relationshipToIssuer>

			</relationshipsToIssuer>
		</issuerInfo>

				          <securitiesInformation>
			<securitiesClassTitle>Common Stock</securitiesClassTitle>
			<brokerOrMarketmakerDetails>
				<name>Osaic Wealth, Inc</name>
				<address>
				<com:street1>125 Half Mile Road</com:street1>
                				<com:street2>Suite 102</com:street2>
                				<com:city>Red Bank</com:city>
				<com:stateOrCountry>NJ</com:stateOrCountry>
				<com:zipCode>07701</com:zipCode>
				</address>
			</brokerOrMarketmakerDetails>
			<noOfUnitsSold>4796</noOfUnitsSold>
			<aggregateMarketValue>347228.36</aggregateMarketValue>
			<noOfUnitsOutstanding>10421384</noOfUnitsOutstanding>
			<approxSaleDate>08/19/2025</approxSaleDate>
			<securitiesExchangeName>NYSE</securitiesExchangeName>
		</securitiesInformation>

    		       <securitiesToBeSold>
         <securitiesClassTitle>Common Stock</securitiesClassTitle>
         <acquiredDate>01/24/2025</acquiredDate>
         <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
                  <nameOfPersonfromWhomAcquired>Metropolitan Bank Holding Corp.</nameOfPersonfromWhomAcquired>
                  <isGiftTransaction>N</isGiftTransaction>
		          <amountOfSecuritiesAcquired>2500</amountOfSecuritiesAcquired>
                  <paymentDate>01/24/2025</paymentDate>
                  <natureOfPayment>Fees for service as director</natureOfPayment>
      </securitiesToBeSold>
             <securitiesToBeSold>
         <securitiesClassTitle>Common Stock</securitiesClassTitle>
         <acquiredDate>02/01/2023</acquiredDate>
         <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
                  <nameOfPersonfromWhomAcquired>Metropolitan Bank Holding Corp.</nameOfPersonfromWhomAcquired>
                  <isGiftTransaction>N</isGiftTransaction>
		          <amountOfSecuritiesAcquired>1000</amountOfSecuritiesAcquired>
                  <paymentDate>02/01/2023</paymentDate>
                  <natureOfPayment>Fees for service as director</natureOfPayment>
      </securitiesToBeSold>
             <securitiesToBeSold>
         <securitiesClassTitle>Common Stock</securitiesClassTitle>
         <acquiredDate>12/31/2021</acquiredDate>
         <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
                  <nameOfPersonfromWhomAcquired>Metropolitan Bank Holding Corp</nameOfPersonfromWhomAcquired>
                  <isGiftTransaction>N</isGiftTransaction>
		          <amountOfSecuritiesAcquired>1296</amountOfSecuritiesAcquired>
                  <paymentDate>12/31/2021</paymentDate>
                  <natureOfPayment>Fees for service as director</natureOfPayment>
      </securitiesToBeSold>

    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>



        <noticeSignature>
            <noticeDate>08/19/2025</noticeDate>
                        <signature>  /s/ Terence Mitchell</signature>
        </noticeSignature>
	</formData>
    </edgarSubmission>
