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        <link:definition>9955514 - Disclosure - VARIABLE INTEREST ENTITIES AND CONSOLIDATED REAL ESTATE NOT OWNED (Tables)</link:definition>
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        <link:definition>9955521 - Disclosure - STOCKHOLDERS' EQUITY (Tables)</link:definition>
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        <link:definition>9955522 - Disclosure - STOCK BASED AND DEFERRED COMPENSATION (Tables)</link:definition>
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        <link:definition>9955523 - Disclosure - INCOME TAXES (Tables)</link:definition>
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        <link:definition>9955524 - Disclosure - SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION (Tables)</link:definition>
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        <link:definition>9955529 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION - Summary of Changes in Warranty Reserves (Details)</link:definition>
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        <link:definition>9955530 - Disclosure - REAL ESTATE AND CAPITALIZED INTEREST - Schedule of Real Estate (Details)</link:definition>
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        <link:definition>9955531 - Disclosure - REAL ESTATE AND CAPITALIZED INTEREST - Summary of Capitalized Interest (Details)</link:definition>
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        <link:definition>9955532 - Disclosure - REAL ESTATE AND CAPITALIZED INTEREST - Impairments (Details)</link:definition>
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        <link:definition>9955533 - Disclosure - VARIABLE INTEREST ENTITIES AND CONSOLIDATED REAL ESTATE NOT OWNED - Summary of Lots Under Option (Details)</link:definition>
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  <xs:element id="mth_DebtInstrumentCovenantRequiredLeverageRatio" abstract="false" name="DebtInstrumentCovenantRequiredLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="mth_DebtInstrumentBasisSpreadOnVariableRateLeverageBenchmark" abstract="false" name="DebtInstrumentBasisSpreadOnVariableRateLeverageBenchmark" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mth_SeniorNotesDueTwoThousandTwentyFiveMember" abstract="true" name="SeniorNotesDueTwoThousandTwentyFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_SeniorNotesDueTwoThousandTwentySevenMember" abstract="true" name="SeniorNotesDueTwoThousandTwentySevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_ConvertibleSeniorNotesDueTwoThousandTwentyEightMember" abstract="true" name="ConvertibleSeniorNotesDueTwoThousandTwentyEightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_SeniorNotesDueTwoThousandTwentyNineMember" abstract="true" name="SeniorNotesDueTwoThousandTwentyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_FivePointSixFiveZeroPercentageSeniorNotesDue2035Member" abstract="true" name="FivePointSixFiveZeroPercentageSeniorNotesDue2035Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_PercentageOfWhollyOwnedSubsidiaries" abstract="false" name="PercentageOfWhollyOwnedSubsidiaries" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mth_HomebuildingSegmentMember" abstract="true" name="HomebuildingSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_FinancialServicesMember" abstract="true" name="FinancialServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_ShareholdersEquityTable" abstract="true" name="ShareholdersEquityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="mth_ShareholdersEquityLineItems" abstract="true" name="ShareholdersEquityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mth_A2018StockIncentivePlanMember" abstract="true" name="A2018StockIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_EmployeesMember" abstract="true" name="EmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_SeniorExecutiveOfficersAndNonEmployeeDirectorsMember" abstract="true" name="SeniorExecutiveOfficersAndNonEmployeeDirectorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_NonEmployeeDirectorMember" abstract="true" name="NonEmployeeDirectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_NonVestedStockAwardsMember" abstract="true" name="NonVestedStockAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_NonVestedStockAwardsAndPerformanceBasedAwardsMember" abstract="true" name="NonVestedStockAwardsAndPerformanceBasedAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCliffVestingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardCliffVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mth_TimeBasedRestrictedStockMember" abstract="true" name="TimeBasedRestrictedStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="mth_ShareBasedCompensationArrangementPayoutPercentage" abstract="false" name="ShareBasedCompensationArrangementPayoutPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mth_IncomeTaxesTextualAbstract" abstract="true" name="IncomeTaxesTextualAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mth_IncreaseDecreaseInLandUnderPurchaseOptionsRecorded" abstract="false" name="IncreaseDecreaseInLandUnderPurchaseOptionsRecorded" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mth_IncreaseDecreaseinRealEstateAcquiredThroughNotesPayable" abstract="false" name="IncreaseDecreaseinRealEstateAcquiredThroughNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mth_NonCashDistributionsContributionsToFromNonControllingInterests" abstract="false" name="NonCashDistributionsContributionsToFromNonControllingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mth_NumberofBusinessSegments" abstract="false" name="NumberofBusinessSegments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mth_GrossMarginSegmentReportingPercentage" abstract="false" name="GrossMarginSegmentReportingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="mth_PhillippeLordMember" abstract="true" name="PhillippeLordMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_HillaSferruzzaMember" abstract="true" name="HillaSferruzzaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_StevenJHiltonMember" abstract="true" name="StevenJHiltonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_AustinWoffindenMember" abstract="true" name="AustinWoffindenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_OfficerTradingArrangementMember" abstract="true" name="OfficerTradingArrangementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_MalissiaClintonMember" abstract="true" name="MalissiaClintonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mth_JavierFelicianoMember" abstract="true" name="JavierFelicianoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
