| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | GIRLS GARAGE IS A NONPROFIT DESIGN AND BUILDING PROGRAM AND DEDICATED WORKSPACE FOR GIRLS AND GENDER-EXPANSIVE YOUTH AGES 9-18. THE ORGANIZATION OFFERS AFTER-SCHOOL, SUMMER, AND WEEKEND PROGRAMMING IN STEM, ARCHITECTURE, AND CARPENTRY SKILLS THROUGH COMMUNITY-BASED PROJECTS. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 111 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 111 |
| IRS990/AllOtherContributionsAmt | 0 | 1013843 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 2863 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 13959 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 44309 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 61131 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | EMILY PILLOTON |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5102062396 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 10 STANTONVILLE CT |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | OAKLAND |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94619 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 634532 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 751275 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 25273 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 2621 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 113709 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 141603 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 2986 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 1136 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 43798 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 47920 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1028843 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1216 |
| IRS990/CYOtherExpensesAmt | 0 | 459878 |
| IRS990/CYOtherRevenueAmt | 0 | 9518 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 58096 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 114029 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 523766 |
| IRS990/CYTotalExpensesAmt | 0 | 983644 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 110882 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1097673 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 11456 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 11456 |
| IRS990/Desc | 0 | YOUNG WOMENS DESIGN AND BUILDING INSTITUTE: THIS YEAR-LONG INSTITUTE INTRODUCES GIRLS AGES 9TH-12TH GRADE TO MULTIPLE DESIGN AND BUILDING TECHNIQUES, SKILLS, MEDIA, AND A COMMUNITY OF FEARLESS BUILDER WOMEN. FROM GRAPHIC DESIGN AND SCREEN PRINTING TO CARPENTRY, WELDING, AND ARCHITECTURAL DRAFTING, GIRLS WILL EXPLORE THE POSSIBILITIES OF BUILDING IN THEIR OWN LIVES, LEARNING, AND FUTURES. THIS PROGRAM IS BY APPLICATION ONLY, AT NO COST TO PARTICIPANTS IF ACCEPTED, AND LIMITED TO A COHORT OF 12 GIRLS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 10 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 132438 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 8241 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 8241 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 30219 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 30219 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 12484 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 18511 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 19330 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 50325 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 70.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 13841 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | EMILY PILLOTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | VELETA ALLEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | STEPHANIE MECHURA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SARAH RICH |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 141603 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | EXECUTIVE DI |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2008 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GovernmentGrantsAmt | 0 | 15000 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1097673 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 3 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 18 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 7569 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 248 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 7835 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7272 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 2887 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 10159 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1216 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1216 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 7302 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 8528 |
| IRS990/IRPDocumentCnt | 0 | 13 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 172069 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 21857 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 17401 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 189470 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | GIRLS GARAGE IS A NONPROFIT DESIGN AND BUILDING PROGRAM AND DEDICATED WORKSPACE FOR GIRLS AND GENDER-EXPANSIVE YOUTH AGES 9-18. THE ORGANIZATION OFFERS AFTER-SCHOOL, SUMMER, AND WEEKEND PROGRAMMING IN STEM, ARCHITECTURE, AND CARPENTRY SKILLS THROUGH COMMUNITY-BASED PROJECTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 677091 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 791120 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 677091 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 791120 |
| IRS990/NoncashContributionsAmt | 0 | 8960 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 9559 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 79728 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 89287 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 1059 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 17213 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 5908 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 24180 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 13400 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 13916 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 30245 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 18232 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 48477 |
| IRS990/OtherExpensesGrp/Desc | 0 | SMALL EQUIP/TOOLS - YWDB |
| IRS990/OtherExpensesGrp/Desc | 1 | SMALL EQUIP/TOOLS |
| IRS990/OtherExpensesGrp/Desc | 2 | BRANDED APPAREL/MERCH |
| IRS990/OtherExpensesGrp/Desc | 3 | BUILDING MATERIALS |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 216 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 3754 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2800 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 7910 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | -242 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 23043 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 16320 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1053 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 10653 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 23043 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 19336 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 12717 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 10411 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 53319 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 5530 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 239896 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 298745 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 6236 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 647 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 28058 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 34941 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | EMILY PILLOTON |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | SERVICE FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MERCHANDISE SALES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 43046 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 15050 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 43046 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 15050 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | ADVANCED DESIGN/BUILD: OUR ADVANCED DESIGN/BUILD BRINGS TOGETHER 9TH-12TH GRADE GIRLS FROM DIVERSE BACKGROUNDS TO TACKLE COMPLEX, COMMUNITY-BASED PROJECTS FOR NONPROFIT CLIENTS DESIGNED AND BUILT BY GIRLS THEMSELVES. THIS PROGRAM IS NO-COST, YEAR-ROUND, AND ENROLLS COHORTS OF 12-16 GIRLS PER YEAR. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 157236 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 11527 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | BUILDER BOOTCAMP: OVER A WEEK-LONG "BOOTCAMP FOR BUILDERS" EXPERIENCE, GIRLS AGES 9-13 WILL DESIGN AND BUILD PROJECTS TO TAKE HOME AS WELL AS PROJECTS RESPONDING TO REAL-WORLD CHALLENGES. ALONG THE WAY, GIRLS WILL LEARN SKILLS IN CARPENTRY, GRAPHIC DESIGN, METALWORK, COLLABORATION, AND TEAMWORK. OUR SUMMER CAMPS ARE TAUGHT BY TALENTED FEMALE EDUCATORS AND BUILDERS WITH DECADES OF EXPERIENCE. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 61619 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 16397 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | VARIOUS OTHER PROJECTS DIRECTED TOWARDS FURTHERING THE ORGANIZATION'S MISSION TO PROVIDE DESIGN AND BUILDING PROGRAMS AND DEDICATED WORKSPACE FOR GIRLS AND GENDER-EXPANSIVE YOUTH AGES 9-18. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 356394 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 30958 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 875440 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 427 |
| IRS990/PYOtherExpensesAmt | 0 | 325345 |
| IRS990/PYOtherRevenueAmt | 0 | 887 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 61353 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 108800 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 503962 |
| IRS990/PYTotalExpensesAmt | 0 | 829307 |
| IRS990/PYTotalRevenueAmt | 0 | 938107 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 114029 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 134297 |
| IRS990/RoyaltiesRevenueGrp/ExclusionAmt | 0 | 9518 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 9518 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | true |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 1028843 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 875440 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 700468 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 509865 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 333196 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 3447812 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 9518 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 887 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5625 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 314 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 171 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 16515 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 59312 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 61780 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 67288 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 62937 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 73156 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 324473 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 9518 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 887 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 5625 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 314 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 171 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 16515 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99560 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99770 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 3772285 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 1088155 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 937220 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 767756 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 572802 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 406352 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 3772285 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1097673 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 938107 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 773381 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 573116 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 406523 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 3788800 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 15339 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 15339 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 17401 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 156730 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 174131 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 17401 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | false |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | false |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | false |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | false |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | true |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | GIRLS GARAGE IS A NONPROFIT DESIGN AND BUILDING PROGRAM AND DEDICATED WORKSPACE FOR GIRLS AND GENDER-EXPANSIVE YOUTH AGES 9-18. THE ORGANIZATION OFFERS AFTER-SCHOOL, SUMMER, AND WEEKEND PROGRAMMING IN STEM, ARCHITECTURE, AND CARPENTRY SKILLS THROUGH COMMUNITY-BASED PROJECTS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | VOLUNTEERS ARE ULTILIZED FOR VARIOUS PROJECTS AND INCLUDE DONATED SERVICES AND LABOR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | VARIOUS OTHER PROJECTS DIRECTED TOWARDS FURTHERING THE ORGANIZATION'S MISSION TO PROVIDE DESIGN AND BUILDING PROGRAMS AND DEDICATED WORKSPACE FOR GIRLS AND GENDER-EXPANSIVE YOUTH AGES 9-18. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE 990 IS SUBMITTED TO THE EXECUTIVE DIRECTOR FOR AN INITIAL REVIEW. FOLLOWING THE EXECUTIVES DIRECTOR'S REVIEW A COPY IS SENT TO THE BOARD FOR REVIEW AND APPROVAL. ONCE ALL BOARD MEMBERS HAVE APPROVED THE 990 THE EXECUTIVE DIRECTOR SIGNS THE E-FILE AUTHORIZATION AND THE ORGANIZATIONS TAX PREPARER SUBMITS THE RETURN TO THE IRS AND CALIFORNIA FRANCHISE TAX BOARD. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | PROCEDURES FOR ADDRESSING THE CONFLICT OF INTEREST A. AN INTERESTED PERSON MAY MAKE A PRESENTATION AT THE GOVERNING BOARD OR COMMITTEE MEETING, BUT AFTER THE PRESENTATION, HE/SHE SHALL LEAVE THE MEETING DURING THE DISCUSSION OF, AND THE VOTE ON, THE TRANSACTION OR ARRANGEMENT INVOLVING THE POSSIBLE CONFLICT OF INTEREST. B. THE CHAIRPERSON OF THE GOVERNING BOARD OR COMMITTEE SHALL, IF APPROPRIATE, APPOINT A DISINTERESTED PERSON OR COMMITTEE TO INVESTIGATE ALTERNATIVES TO THE PROPOSED TRANSACTION OR ARRANGEMENT. C. AFTER EXERCISING DUE DILIGENCE, THE GOVERNING BOARD OR COMMITTEE SHALL DETERMINE WHETHER THE ORGANIZATION CAN OBTAIN WITH REASONABLE EFFORTS A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT FROM A PERSON OR ENTITY THAT WOULD NOT GIVE RISE TO A CONFLICT OF INTEREST. D. IF A MORE ADVANTAGEOUS TRANSACTION OR ARRANGEMENT IS NOT REASONABLY POSSIBLE UNDER CIRCUMSTANCES NOT PRODUCING A CONFLICT OF INTEREST, THE GOVERNING BOARD OR COMMITTEE SHALL DETERMINE BY A MAJORITY VOTE OF THE DISINTERESTED DIRECTORS WHETHER THE TRANSACTION OR ARRANGEMENT IS IN THE ORGANIZATION'S BEST INTEREST, FOR ITS OWN BENEFIT, AND WHETHER IT IS FAIR AND REASONABLE. IN CONFORMITY WITH THE ABOVE DETERMINATION IT SHALL MAKE ITS DECISION AS TO WHETHER TO ENTER INTO THE TRANSACTION OR ARRANGEMENT. VIOLATIONS OF THE CONFLICT OF INTEREST POLICY A. IF THE GOVERNING BOARD OR COMMITTEE HAS REASONABLE CAUSE TO BELIEVE A MEMBER HAS FAILED TO DISCLOSE ACTUAL OR POSSIBLE CONFLICTS OF INTEREST, IT SHALL INFORM THE MEMBER OF THE BASIS FOR SUCH BELIEF AND AFFORD THE MEMBER AN OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. B. IF, AFTER HEARING THE MEMBER'S RESPONSE AND AFTER MAKING FURTHER INVESTIGATION AS WARRANTED BY THE CIRCUMSTANCES, THE GOVERNING BOARD OR COMMITTEE DETERMINES THE MEMBER HAS FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, IT SHALL TAKE APPROPRIATE DISCIPLINARY AND CORRECTIVE ACTION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | COMPENSATION A. A VOTING MEMBER OF THE GOVERNING BOARD WHO RECEIVES COMPENSATION, DIRECTLY OR INDIRECTLY, FROM THE ORGANIZATION FOR SERVICES IS PRECLUDED FROM VOTING ON MATTERS PERTAINING TO THAT MEMBER'S COMPENSATION. B. A VOTING MEMBER OF ANY COMMITTEE WHOSE JURISDICTION INCLUDES COMPENSATION MATTERS AND WHO RECEIVES COMPENSATION, DIRECTLY OR INDIRECTLY, FROM THE ORGANIZATION FOR SERVICES IS PRECLUDED FROM VOTING ON MATTERS PERTAINING TO THAT MEMBER'S COMPENSATION. C. NO VOTING MEMBER OF THE GOVERNING BOARD OR ANY COMMITTEE WHOSE JURISDICTION INCLUDES COMPENSATION MATTERS AND WHO RECEIVES COMPENSATION, DIRECTLY OR INDIRECTLY, FROM THE ORGANIZATION, EITHER INDIVIDUALLY OR COLLECTIVELY, IS PROHIBITED FROM PROVIDING INFORMATION TO ANY COMMITTEE REGARDING COMPENSATION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | PAID STAFF THE BOARD OF DIRECTORS MAY HIRE SUCH PAID STAFF AS THEY DEEM PROPER AND NECESSARY FOR THE OPERATIONS OF THE CORPORATION. THE POWERS AND DUTIES OF THE PAID STAFF SHALL BE AS ASSIGNED OR AS DELEGATED TO BE ASSIGNED BY THE BOARD. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | GOVERNING DOCUMENTS ARE AVAILABLE UPON REQUEST TO INTERESTED PARTIES. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990 - ORGANIZATION'S MISSION |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 1, PART I, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PAGE 2, PART III, LINE 4D |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PAGE 6, PART VI, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PAGE 6, PART VI, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PAGE 6, PART VI, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | FORM 990, PAGE 6, PART VI, LINE 15B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | FORM 990, PAGE 6, PART VI, LINE 19 |
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