﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-09-03T21:59:10-04:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>932398387</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>PRINCIPLE ACCOUNTING LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>40 W LITTLETON BLVD STE 210-63</AddressLine1Txt>
        <CityNm>LITTLETON</CityNm>
        <StateAbbreviationCd>CO</StateAbbreviationCd>
        <ZIPCd>80120</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-05-15</TaxPeriodBeginDt>
    <Filer>
      <EIN>993477976</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MEGAFIRE INSTITUTE</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MEGA</BusinessNameControlTxt>
      <PhoneNum>3034896070</PhoneNum>
      <USAddress>
        <AddressLine1Txt>22515 BLUERIDGE CT</AddressLine1Txt>
        <CityNm>CALABASAS</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>91302</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>MOLLY HAUSMANN</PersonNm>
      <PersonTitleTxt>CHAIR/SECRETARY</PersonTitleTxt>
      <PhoneNum>3034896070</PhoneNum>
      <SignatureDt>2025-08-28</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>VINCENT JARAMILLO CPA</PreparerPersonNm>
      <PTIN>P00642105</PTIN>
      <PhoneNum>3034184804</PhoneNum>
      <PreparationDt>2025-09-03</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <InitialReturnInd>X</InitialReturnInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc3">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <Form990TotalAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE MEGAFIRE INSTITUTE DEVELOPS SCIENCE-BASED POLICY RECOMMENDATIONS TO ENSURE SOLUTIONS ARE GROUNDED IN EVIDENCE AND EFFECTIVELY ADDRESS THE ROOT CAUSES OF THE WILDFIRE CRISIS.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE MEGAFIRE INSTITUTE DEVELOPS SCIENCE-BASED POLICY RECOMMENDATIONS TO ENSURE SOLUTIONS ARE GROUNDED IN EVIDENCE AND EFFECTIVELY ADDRESS THE ROOT CAUSES OF THE WILDFIRE CRISIS.</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MOLLY HAUSMANN</PersonNm>
        <TitleTxt>CHAIR/SECRET</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MATT WEINER</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TARA SMITH</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>MEGAFIRE INSTITUTE</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>22515 BLUERIDGE CT</AddressLine1Txt>
          <CityNm>CALABASAS</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>91302</ZIPCd>
        </USAddress>
        <PhoneNum>3034896070</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc3">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <PublicSupportTotal170Amt>0</PublicSupportTotal170Amt>
      <PublicSupportCY170Pct>0.00000</PublicSupportCY170Pct>
      <PrivateFoundation170Ind>X</PrivateFoundation170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEGAFIRE INSTITUTE DEVELOPS SCIENCE-BASED POLICY RECOMMENDATIONS TO ENSURE SOLUTIONS ARE GROUNDED IN EVIDENCE AND EFFECTIVELY ADDRESS THE ROOT CAUSES OF THE WILDFIRE CRISIS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>