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      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>1970082</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>344372</DepreciationAmt>
        <BookValueAmt>1625710</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>38450</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>38450</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>44595</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>43515</DepreciationAmt>
        <BookValueAmt>1080</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>2151790</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>511832</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>19158</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>99457</OtherRevenueAmt>
      <RevenueNotReportedAmt>118615</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>393217</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>393217</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>499638</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>99457</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>99457</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>400181</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>400181</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>GREATER PORTLAND LANDMARKS, INC. HOLDS SEVERAL EASEMENTS ON HISTORIC PROPERTIES IN PORTLAND, THE MAJORITY OF WHICH ARE PROPERTIES IT RESTORED IN THE LATE 1970'S AND EARLY 1980'S BEFORE PORTLAND HAD AN HISTORIC PRESERVATION ORDINANCE. THE CONSERVATION EASEMENTS ARE NOT INCORPORATED INTO THE OPERATING BUDGET, NOR SHOWN ON THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>NOT DISCLOSED IN THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION OWNS HISTORIC BOOKS, SURVEYS AND PHOTOGRAPHS (MOST OF WHICH ARE OF THE PORTLAND AREA) THAT PROVIDE A RESOURCE FOR FUTURE PRESERVATION AND A GLIMPSE OF THE HISTORIC PAST OF THE GREATER PORTLAND AREA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PURPOSE OF THE FUND IS TO GENERATE INCOME TO BE USED TO HELP MEET THE OPERATING AND NON-OPERATING NEEDS OF THE ORGANIZATION. WITHDRAWALS FROM THE FUND REQUIRE BOARD APPROVAL AND ARE INTENDED TO BE USED FOR EMERGENCIES, FOR INVESTMENT IN NEW PROGRAMS OR OTHER STRATEGIC OBJECTIVES, OR TO SUPPLY NEEDED CAPITAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION FOLLOWS THE PROVISIONS OF FASB ASC 740-10 INCOME TAXES. THIS STATEMENT CLARIFIES THE CRITERIA THAT AN INDIVIDUAL TAX POSITION MUST SATISFY FOR SOME OR ALL OF THE BENEFITS OF THAT POSITION TO BE RECOGNIZED IN AN ENTITY'S FINANCIAL STATEMENTS. IT ALSO PRESCRIBES A RECOGNITION THRESHOLD OF MORE LIKELY-THAN-NOT, AND A MEASUREMENT ATTRIBUTE FOR ALL TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN ON A TAX RETURN, IN ORDER FOR THOSE TAX POSITIONS TO BE RECOGNIZED IN THE FINANCIAL STATEMENTS. THERE WAS NO CUMULATIVE EFFECT ON THE ORGANIZATION'S FINANCIAL STATEMENTS RELATED TO THE FOLLOWING OF THESE PROVISIONS, AND NO INTEREST OR PENALTIES RELATED TO UNCERTAIN TAX POSITIONS WERE ACCRUED. THE ORGANIZATION IS CURRENTLY OPEN TO AUDIT UNDER THE STATUTE OF LIMITATIONS BY THE INTERNAL REVENUE SERVICE AND STATE TAXING AUTHORITIES FOR THE YEARS ENDED JUNE 30, 2014 THROUGH 2017.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES 90,236. COST OF MERCHANDISE SOLD 9,221.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF MERCHANDISE SOLD 9,221. RENTAL EXPENSES 90,236.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>HOUSE GALA</Event1Nm>
        <GrossReceiptsEvent1Amt>61096</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>26600</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>34496</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>58711</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>61096</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>26600</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>34496</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>58711</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>58711</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-24215</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <BooksAndPublicationsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>BOOKS AND PERIODICALS</MethodOfDeterminingRevenuesTxt>
      </BooksAndPublicationsGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>ON SEPTEMBER 28, 2016 THE ORGANIZATION AMENDED ITS BY-LAWS TO ADD A "STANDARDS OF CONDUCT FOR TRUSTEES" SECTION; UPDATED THE "EXECUTIVE COMMITTEE" SECTION TO DEFINE WHO IS ON THE EXECUTIVE COMMITTEE AND TO CLARIFY THEIR AUTHORITY; UPDATED THE TITLES OF THE VARIOUS OFFICERS; AND EXPANDED THE "CONFLICT OF INTEREST" SECTION TO BETTER DEFINE THE POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP IS OPEN TO ALL PERSONS REGARDLESS OF RACE, COLOR, RELIGION, AGE, NATIONAL ORIGIN, SEX, OR SEXUAL PREFERENCE. PERSONS BECOME MEMBERS UPON FILING OF A MEMBERSHIP APPLICATION AND PAYMENT OF DUES. MEMBERS UPON JOINING AGREE TO COMPLY WITH THE BY-LAWS AND ALL APPLICABLE POLICIES OF THE CORPORATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES ARE ELECTED BY THE MEMBERS AT THE ANNUAL MEETING OF THE MEMBERSHIP PROVIDED, HOWEVER, THAT THE BOARD OF TRUSTEES MAY ELECT UP TO THREE NEW TRUSTEES DURING EACH FISCAL YEAR TO SERVE UNTIL THE NEXT ANNUAL MEETING OF THE MEMBERSHIP AND UNTIL HIS OR HER SUCCESSOR IS ELECTED AND QUALIFIED. THE BOARD OF TRUSTEES SHALL BE ELECTED TO SERVE STAGGERED TERMS SUCH THAT APPROXIMATELY ONE-THIRD OF THE BOARD SHALL BE ELECTED EVERY YEAR. THIS STAGGERED ELECTION SYSTEM SHALL APPLY TO ANY ADDITIONAL TRUSTEES WHO ARE ADDED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>AMENDMENTS TO THE BY-LAWS MUST BE APPROVED BY THE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>GREATER PORTLAND LANDMARKS FINANCE COMMITTEE OF THE BOARD OF TRUSTEES WILL REVIEW THE DRAFT FORM 990, AND WORK WITH THE STAFF OF THEIR INDEPENDENT ACCOUNTANTS TO RESOLVE ANY QUESTIONS. ONCE ANY QUESTIONS ARE RESOLVED, THE FINANCE COMMITTEE WILL APPROVE THE FORM 990, WHICH PRIOR TO FILING, WILL BE CIRCULATED ELECTRONICALLY TO THE ENTIRE BOARD OF TRUSTEES FOR THEIR INFORMATION AND COMMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR EACH BOARD MEMBER SIGNS THE CONFLICT OF INTEREST POLICY AND DECLARES ANY CONFLICTS. ON AN ISSUE BY ISSUE BASIS, THE ORGANIZATION ASKS THE BOARD MEMBERS IF THERE ARE ANY CONFLICTS OF INTEREST PRIOR TO VOTING. BOARD MEMBERS ARE EXPECTED TO EXCUSE THEMSELVES FROM VOTING WHEN A CONFLICT IS DEEMED TO EXIST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR'S COMPENSATION PACKAGE IS BASED ON AN ANNUAL REVIEW BY THE EXECUTIVE COMMITTEE WHICH IS THEN RECOMMENDED TO THE FULL BOARD AS PART OF THE BUDGET PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE DOCUMENTS ARE AVAILABLE UPON REQUEST AT THE ADMINISTRATIVE OFFICES OF GREATER PORTLAND LANDMARKS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE WERE NO CHANGES IN THE OVERSIGHT OF THE INDEPENDENT AUDIT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>