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      <PaidStaffOrManagementInd>true</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>false</MediaAdvertisementsInd>
      <MailingsMembersInd>false</MailingsMembersInd>
      <PublicationsOrBroadcastInd>false</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>false</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>true</DirectContactLegislatorsInd>
      <DirectContactLegislatorsAmt>1034</DirectContactLegislatorsAmt>
      <RalliesDemonstrationsInd>false</RalliesDemonstrationsInd>
      <OtherActivitiesInd>false</OtherActivitiesInd>
      <TotalLobbyingExpendituresAmt>1034</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>false</NotDescribedSection501c3Ind>
      <Form4720Filed4912TaxInd>false</Form4720Filed4912TaxInd>
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        <FormAndLineReferenceDesc>Part II-B, Line 1i - Other Activities Description</FormAndLineReferenceDesc>
        <ExplanationTxt>During 2019, GBF contacted federal and state representatives to discuss various federal and state conservation programs and related appropriations.</ExplanationTxt>
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      <PreservationOpenSpaceInd>X</PreservationOpenSpaceInd>
      <TotalEasementsCnt>13</TotalEasementsCnt>
      <TotalAcreageCnt>45</TotalAcreageCnt>
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      <WrittenPolicyMonitoringInd>true</WrittenPolicyMonitoringInd>
      <StaffHoursSpentEnforcementCnt>10</StaffHoursSpentEnforcementCnt>
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      <AgentTrusteeEtcInd>false</AgentTrusteeEtcInd>
      <InclEscrowCustodialAcctLiabInd>true</InclEscrowCustodialAcctLiabInd>
      <ExplanationProvidedInd>X</ExplanationProvidedInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>8574381</OtherCostOrOtherBasisAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>34919</DepreciationAmt>
        <BookValueAmt>165207</BookValueAmt>
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      <LeaseholdImprovementsGrp>
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        <DepreciationAmt>16710</DepreciationAmt>
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      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>184472</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>85398</DepreciationAmt>
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      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>1217394</OtherCostOrOtherBasisAmt>
        <BookValueAmt>1217394</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>10056056</TotalBookValueLandBuildingsAmt>
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      <DonatedServicesAndUseFcltsAmt>1658861</DonatedServicesAndUseFcltsAmt>
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        <FormAndLineReferenceDesc>Part II, Line 5: Summarized Policy</FormAndLineReferenceDesc>
        <ExplanationTxt>Monitoring and inspections of conservation easements are conducted at least once per year via ground inspection by the Conservation Lands Manager or his appropriately trained designee. Enforcement of easements is conducted primarily through landowner education and relationship building, but GBF also carries legal insurance if litigation becomes necessary. All easements are monitored, inspected, and enforced.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part II, Line 9: Organization Reporting of conservation easements.</FormAndLineReferenceDesc>
        <ExplanationTxt>Conservation easements represent rights to restrict the use, access, and development of certain properties. GBF monitors these easements in the normal course of its operations and associated costs are expensed as incurred. The Foundation receives gifts of conservation easements and grants toward the purchase of conservation easements, which represent numerous restrictions over the use and development of land not owned by the Foundation. The donated value of the conservation easements are recorded, based on the estimated appraised value, as revenue when received and estimated conservation easement expense is recorded for an equal amount. Easements are not reported as assets because the Foundation does not believe the easements represents a future economic benefit.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IV, Line 2b: Explanation of escrow account liability</FormAndLineReferenceDesc>
        <ExplanationTxt>GBF holds custodial funds pursuant to an agreement with another local nonprofit conservation entity for the purchase of undeveloped land. GBF will hold these funds until they are requested for disbursement for such purchase.</ExplanationTxt>
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      <MailSolicitationsInd>X</MailSolicitationsInd>
      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
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      <SolicitationOfNonGovtGrantsInd>X</SolicitationOfNonGovtGrantsInd>
      <SolicitationOfGovtGrantsInd>X</SolicitationOfGovtGrantsInd>
      <SpecialFundraisingEventsInd>X</SpecialFundraisingEventsInd>
      <AgrmtProfFundraisingActyInd>true</AgrmtProfFundraisingActyInd>
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        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Sterling &amp; Associates</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>55 Waugh Dr Ste 601</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77007</ZIPCd>
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        <ActivityTxt>Capital campaign</ActivityTxt>
        <FundraiserControlOfFundsInd>false</FundraiserControlOfFundsInd>
        <GrossReceiptsAmt>3474238</GrossReceiptsAmt>
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        <FoodAndBeverageEvent1Amt>60730</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>8000</EntertainmentEvent1Amt>
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        <EntertainmentTotalEventsAmt>8000</EntertainmentTotalEventsAmt>
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          <BusinessNameLine1Txt>Conservation Fndn-Gulf Coast</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO Box 902</AddressLine1Txt>
          <CityNm>Osprey</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>34229</ZIPCd>
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        <CashGrantAmt>7201</CashGrantAmt>
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        <PurposeOfGrantTxt>Land conservation projects</PurposeOfGrantTxt>
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          <BusinessNameLine1Txt>Univ of Houston Clear Lake</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>2700 Bay Area Blvd</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77058</ZIPCd>
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        <PurposeOfGrantTxt>EIH marine life research</PurposeOfGrantTxt>
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        <ExplanationTxt>Reimbursable grants issued to other conservation organizations require that organizations submit proof of expenditures and validity of expenditures to the Conservation Lands Manager. The Conservation Lands Manager reviews and approves the expenses, the CFO confirms that the records are complete, and then the Grants Billing Specialist issues payment. All grants paid up front require the receiving entity to provide weekly updates on the progress of the project and expenditures. A final report is due upon completion of the project which details the use of the funds and the project accomplishments.</ExplanationTxt>
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      <OtherNonCashContriTableGrp>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, Line 4d: Other Program Services Description</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER PROGRAM SERVICES 4: Research programs focus on the monitoring some of Galveston Bays most valuable coastal resources. Several programs utilize trained citizen scientists to augment professional monitoring data and aid in watershed planning. Most monitoring efforts are ongoing in an effort to collect large datasets spanning many years. Some, however, are initiated to allow us to respond to incidents impacting Galveston Bay. Beyond the research efforts we take on, GBF also regularly advocates for the allocation of research dollars to the region to ensure the health of Galveston Bay and its users.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is electronically distributed to the Board of Directors and is reviewed in detail with the finance and audit committee of the board prior to filing. The finance and audit committee reviews both the Form 990 and the independent annual audit and presents reports to the full Board of Directors.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>All board members and key employees are required to disclose any potential conflicts of interest and relationships via an annual disclosure statement and signed written conflict of interest policy. Management ensures that all board members and key employees complete and submit a signed disclosure and policy annually, and reviews the completed forms.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15a: Compensation Review &amp; Approval Process - CEO, Top Management</FormAndLineReferenceDesc>
        <ExplanationTxt>Board members reviewed outside data sources, Charity Navigator and the local United Way wages and benefits summary to determine reasonable compensation when the President was hired in 2004 and again when the President received a salary increase in 2019.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>Management reviewed multiple external data sources, Charity Navigator, and the local United Way wage and benefits survey to determine reasonable compensation for the CFO. The initial research was conducted by staff, with board members analyzing the data, deliberating and approving the CFO's final compensation amount.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>Annual audited financial statements are available via the organization's website. All other documents are available upon request.</ExplanationTxt>
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</Return>