<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/nmfp2 eis_NMFP2_Filer.xsd" xmlns="http://www.sec.gov/edgar/nmfp2" xmlns:common="http://www.sec.gov/edgar/common" xmlns:nmfp2common="http://www.sec.gov/edgar/nmfp2common" xmlns:statecodes="http://www.sec.gov/edgar/statecodes" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
    <submissionType>N-MFP2</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000097098</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <notifications></notifications>
      <notifications></notifications>
      <notifications></notifications>
    </filerInfo>
  </headerData>
  <formData>
    <generalInfo>
      <reportDate>2021-07-31</reportDate>
      <cik>0000097098</cik>
      <registrantLEIId>5493007YVNX55LTRQ706</registrantLEIId>
      <seriesId>S000001479</seriesId>
      <totalShareClassesInSeries>10</totalShareClassesInSeries>
      <finalFilingFlag>Y</finalFilingFlag>
      <fundLiquidatingFlag>Y</fundLiquidatingFlag>
      <fundMrgOrAcqrdByOthrFlag>N</fundMrgOrAcqrdByOthrFlag>
      <fundAcqrdOrMrgdWthAnthrFlag>N</fundAcqrdOrMrgdWthAnthrFlag>
    </generalInfo>
    <seriesLevelInfo>
      <securitiesActFileNumber>002-47015</securitiesActFileNumber>
      <adviser>
        <adviserName>BlackRock Advisors, LLC</adviserName>
        <adviserFileNumber>801-47710</adviserFileNumber>
      </adviser>
      <indpPubAccountant>
        <name>Deloitte &amp; Touche LLP</name>
        <city>Boston</city>
        <stateCountry>MA</stateCountry>
      </indpPubAccountant>
      <administrator>
        <administratorName>BlackRock Advisors, LLC</administratorName>
      </administrator>
      <administrator>
        <administratorName>JPMorgan Chase Bank, N.A.</administratorName>
      </administrator>
      <transferAgent>
        <name>BNY Mellon Investment Servicing (US) Inc.</name>
        <cik>0000849542</cik>
        <fileNumber>084-01761</fileNumber>
      </transferAgent>
      <feederFundFlag>N</feederFundFlag>
      <masterFundFlag>N</masterFundFlag>
      <seriesFundInsuCmpnySepAccntFlag>N</seriesFundInsuCmpnySepAccntFlag>
      <moneyMarketFundCategory>Other Tax Exempt</moneyMarketFundCategory>
      <fundExemptRetailFlag>Y</fundExemptRetailFlag>
      <averagePortfolioMaturity>0</averagePortfolioMaturity>
      <averageLifeMaturity>0</averageLifeMaturity>
      <totalValueDailyLiquidAssets>
        <nmfp2common:fridayDay1>27906872.68</nmfp2common:fridayDay1>
        <nmfp2common:fridayDay2>28786442.01</nmfp2common:fridayDay2>
        <nmfp2common:fridayDay3>65298879.37</nmfp2common:fridayDay3>
        <nmfp2common:fridayDay4>0.00</nmfp2common:fridayDay4>
        <nmfp2common:fridayDay5>0.00</nmfp2common:fridayDay5>
      </totalValueDailyLiquidAssets>
      <totalValueWeeklyLiquidAssets>
        <nmfp2common:fridayWeek1>61308755.64</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>63513899.77</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>65298879.37</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.00</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.00</nmfp2common:fridayWeek5>
      </totalValueWeeklyLiquidAssets>
      <percentageDailyLiquidAssets>
        <nmfp2common:fridayDay1>0.4552</nmfp2common:fridayDay1>
        <nmfp2common:fridayDay2>0.4532</nmfp2common:fridayDay2>
        <nmfp2common:fridayDay3>1.0000</nmfp2common:fridayDay3>
        <nmfp2common:fridayDay4>0.0000</nmfp2common:fridayDay4>
        <nmfp2common:fridayDay5>0.0000</nmfp2common:fridayDay5>
      </percentageDailyLiquidAssets>
      <percentageWeeklyLiquidAssets>
        <nmfp2common:fridayWeek1>1.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </percentageWeeklyLiquidAssets>
      <cash>0.00</cash>
      <totalValuePortfolioSecurities>0.00</totalValuePortfolioSecurities>
      <amortizedCostPortfolioSecurities>0.00</amortizedCostPortfolioSecurities>
      <totalValueOtherAssets>118617.31</totalValueOtherAssets>
      <totalValueLiabilities>118617.31</totalValueLiabilities>
      <netAssetOfSeries>0.00</netAssetOfSeries>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <stablePricePerShare>1.0000</stablePricePerShare>
      <sevenDayGrossYield>0.0000</sevenDayGrossYield>
      <netAssetValue>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetValue>
    </seriesLevelInfo>
    <classLevelInfo>
      <classesId>C000003965</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>0.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003958</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>0.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003959</classesId>
      <minInitialInvestment>50000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>0.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003963</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.30</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>6.94</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.11</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2.54</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>2.83</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2.07</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>153846.95</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>2.96</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>153858.49</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors, LLC, Management Fees, 24.86; BlackRock Advisors, LLC, Expenses Reimbursed, 144.15; BlackRock Investments, LLC, Service/Distribution Fees, 7.56;</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003964</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>0.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003962</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>4704.57</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2844.83</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>2.34</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4042.21</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>812910.41</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>37.86</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4070798.08</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>817612.75</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4075022.74</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors, LLC, Management Fees, 553.50; BlackRock Advisors, LLC, Expenses Reimbursed, 3052.85; BlackRock Investments, LLC, Service/Distribution Fees, 421.95;</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003960</classesId>
      <minInitialInvestment>3000000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>6146847.76</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>897337.68</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>2857128.71</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>534944.79</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>3382821.18</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>2406443.07</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>59670520.25</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>12217334.19</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>63202805.53</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors, LLC, Management Fees, 9444.44; BlackRock Advisors, LLC, Expenses Reimbursed, 56132.35;</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003967</classesId>
      <minInitialInvestment>3000000.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>0.0000</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>0.0000</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>0.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>N</personPayForFundFlag>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003961</classesId>
      <minInitialInvestment>1.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>1.68</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>13.03</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>0.21</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4.77</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>123.32</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>3.87</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>288710.54</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>124.69</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>288732.19</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors, LLC, Management Fees, 46.72; BlackRock Advisors, LLC, Expenses Reimbursed, 270.41; BlackRock Investments, LLC, Service/Distribution Fees, 120.96;</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000003966</classesId>
      <minInitialInvestment>1.00</minInitialInvestment>
      <netAssetsOfClass>0.00</netAssetsOfClass>
      <numberOfSharesOutstanding>0.00</numberOfSharesOutstanding>
      <netAssetPerShare>
        <nmfp2common:fridayWeek1>1.0005</nmfp2common:fridayWeek1>
        <nmfp2common:fridayWeek2>1.0004</nmfp2common:fridayWeek2>
        <nmfp2common:fridayWeek3>1.0000</nmfp2common:fridayWeek3>
        <nmfp2common:fridayWeek4>0.0000</nmfp2common:fridayWeek4>
        <nmfp2common:fridayWeek5>0.0000</nmfp2common:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>204631.28</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>128956.79</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>214964.58</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>328039.42</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>203111.28</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>176266.64</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>1133544.09</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>621397.26</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>1710225.19</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors, LLC, Management Fees, 184.73; BlackRock Advisors, LLC, Expenses Reimbursed, 1109.49; BlackRock Investments, LLC, Service/Distribution Fees, 479.12;</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>CASH</nameOfIssuer>
      <titleOfIssuer>CASH</titleOfIssuer>
      <investmentCategory>Other Instrument</investmentCategory>
      <briefDescription>Dummy Holding</briefDescription>
      <securityEligibilityFlag>N</securityEligibilityFlag>
      <NRSRO>
        <nameOfNRSRO>Fitch - BR</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <NRSRO>
        <nameOfNRSRO>Moody's - BR</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <NRSRO>
        <nameOfNRSRO>Standard &amp; Poor's - BR</nameOfNRSRO>
        <rating>NR</rating>
      </NRSRO>
      <investmentMaturityDateWAM>2021-07-31</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2021-07-31</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2021-07-31</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0000</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>0.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>0.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>1.0000</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <weeklyLiquidAssetSecurityFlag>N</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>BlackRock Liquidity Funds</registrant>
      <signatureDate>2021-08-05</signatureDate>
      <signature>/s/Ann Frechette</signature>
      <nameOfSigningOfficer>Ann Frechette</nameOfSigningOfficer>
      <titleOfSigningOfficer>Assistant Treasurer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
