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| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | CHARLES CAVNESS |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 7074506089 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 5296 TROPHY DRIVE |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | FAIRFIELD |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94534 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 500 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 500 |
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| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
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| IRS990EZ/FiledScheduleAInd | 0 | true |
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| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 500 |
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| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
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| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 350 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 15 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 3 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 3 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 3 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | CHARLES CAVNESS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | CHARLI LEATTA CAVNESS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | OWEN DAY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | HERBERT N MALLOY JR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | SECRETARY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | TREASURER |
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| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
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| IRS990EZ/PrimaryExemptPurposeTxt | 0 | PUBLIC BENEFIT AND CHARITY |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | ACQUIRE REAL ESTATE, REHABILITATE HISTORIC SITES, AND DEVELOP FOR LOW INCOME HOUSING |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | MUSEUM OF AFRICAN AMERICAN RICHMOND CALIFORNIA TO PRESERVE PAST HISTORY FROM ALL COMMUNITIES, DISCOVER AND SHARE THE CULTRAL EXPERIENCES |
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| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
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| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 500 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2000 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.34000 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 2000 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 500 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2000 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 2000 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | AFRICAN AMERICAN LOCATED ON SITE AT 263 SOUTH 20TH STREET RICHMOND CA 94804 THIS MAIN PURPOSE OF THIS MUSEUM IS TO PRESERVE THE PAST HISTORY FROM ALL COMMUNITIES THAT NEED TO BE DISCOVERED AND PRESERVED AND SHARED. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | CMC URBAN INVESTMENT DEVELOPMENT ADDED THE MUSEUM OF |
| ReturnHeader/BuildTS | 0 | 2016-02-25 16:41:14Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | HERBERT N MALLOY |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | CHIEF ACCOUNTING OFFICER |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2015-05-14 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | CMC INVESTMENT URBAN DEVELOPMENT |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | CHARLES CAVNESS |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | CMCI |
| ReturnHeader/Filer/EIN | 0 | 800283730 |
| ReturnHeader/Filer/PhoneNum | 0 | 7074506089 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 5296 TROPHY DRIVE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | FAIRFIELD |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94534 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 043628529 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | M5GA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 5055 Business Ctr Dr 108-122 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | FAIRFIELD |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 94534 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 8006448975 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2015-05-14 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | HERBERT MALLOY |
| ReturnHeader/ReturnTs | 0 | 2015-05-29T15:29:09-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2014-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2014-12-31 |
| ReturnHeader/TaxYr | 0 | 2014 |