Civic Intelligence

N Buck Char Supptng Fdn Tr

EIN 91-6376590 • 501(c)3 • Seattle, WA

Profile

Support activities of nature conservancy in the state of arizona

801 Second Avenue Suite 1600Seattle, WA 98104

n/A

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

19th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

20th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Net Margin

89th percentile

50%

Higher net margin than 89% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Top Officer Pay

43rd percentile

$15,441

Higher top officer pay than 43% of similar nonprofits.

Top officer pay equals 3.4% of source-year revenue.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Asset Growth

55th percentile

5.2%

Faster asset growth than 55% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

97th percentile

378%

Faster revenue growth than 97% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets19th percentile

Assets

Up

$3,896,305

Up $190,977 (+5.2%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$3,896,305

Up $190,977 (+5.2%) from 2023

Operations
Liabilities / Revenue20th percentileNet Margin89th percentile

Revenue

Up

$451,265

Up $356,777 (+378%) from 2023

Expenses

Down

$227,407

Down $155,812 (-41%) from 2023

Net Income

Up

$223,858

Up $512,589 (+178%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth55th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$6.0M$4.0M$2.0M$0Assets 2011: $4,406,947Liabilities 2011: $0Net Assets 2011: $4,406,9472011Assets 2012: $4,326,721Liabilities 2012: $0Net Assets 2012: $4,326,7212012Assets 2013: $4,447,166Liabilities 2013: $0Net Assets 2013: $4,447,1662013Assets 2014: $4,323,485Liabilities 2014: $0Net Assets 2014: $4,323,4852014Assets 2015: $4,213,935Liabilities 2015: $0Net Assets 2015: $4,213,9352015Assets 2016: $4,146,066Liabilities 2016: $0Net Assets 2016: $4,146,0662016Assets 2017: $4,073,669Liabilities 2017: $0Net Assets 2017: $4,073,6692017Assets 2018: $4,383,207Liabilities 2018: $0Net Assets 2018: $4,383,2072018Assets 2019: $4,284,929Liabilities 2019: $0Net Assets 2019: $4,284,9292019Assets 2020: $3,947,944Liabilities 2020: $0Net Assets 2020: $3,947,9442020Assets 2021: $3,993,254Liabilities 2021: $0Net Assets 2021: $3,993,2542021Assets 2022: $4,002,439Liabilities 2022: $0Net Assets 2022: $4,002,4392022Assets 2023: $3,705,328Liabilities 2023: $0Net Assets 2023: $3,705,3282023Assets 2024: $3,896,305Liabilities 2024: $0Net Assets 2024: $3,896,3052024

Highlighted filing

2024

Assets$3,896,305
Liabilities$0
Net Assets$3,896,305
Open 2024 Filing

Operations Trend

Revenue Growth97th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$1.0M$500K$0-$500KExpenses 2011: $298,8292011Expenses 2012: $258,5392012Revenue 2013: $384,925Expenses 2013: $263,878Net Income 2013: $121,0472013Revenue 2014: $162,819Expenses 2014: $272,472Net Income 2014: -$109,6532014Revenue 2015: $141,982Expenses 2015: $264,529Net Income 2015: -$122,5472015Revenue 2016: $160,321Expenses 2016: $223,786Net Income 2016: -$63,4652016Revenue 2017: $173,987Expenses 2017: $244,772Net Income 2017: -$70,7852017Revenue 2018: $548,441Expenses 2018: $237,716Net Income 2018: $310,7252018Revenue 2019: $117,730Expenses 2019: $216,212Net Income 2019: -$98,4822019Revenue 2020: -$104,171Expenses 2020: $233,675Net Income 2020: -$337,8462020Revenue 2021: $343,636Expenses 2021: $247,517Net Income 2021: $96,1192021Revenue 2022: $66,673Expenses 2022: $55,771Net Income 2022: $10,9022022Revenue 2023: $94,488Expenses 2023: $383,219Net Income 2023: -$288,7312023Revenue 2024: $451,265Expenses 2024: $227,407Net Income 2024: $223,8582024

Highlighted filing

2024

Revenue$451,265
Expenses$227,407
Net Income$223,858
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$3,896,305
Liabilities
$0
Net assets
$3,896,305
Revenue
$451,265
Expenses
$227,407
Net income
$223,858
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.90$0.00$3.90$0.45$0.23$0.22
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.71$0.00$3.71$0.09$0.38$0.29
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.00$0.00$4.00$0.07$0.06$0.01
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.99$0.00$3.99$0.34$0.25$0.10
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.95$0.00$3.95$0.10$0.23$0.34
2019XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.28$0.00$4.28$0.12$0.22$0.10
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.38$0.00$4.38$0.55$0.24$0.31
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.07$0.00$4.07$0.17$0.24$0.07
2016XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.15$0.00$4.15$0.16$0.22$0.06
2015XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$4.21$0.00$4.21$0.14$0.26$0.12
2014Detailed filing. Detailed filing data is available for this year.$4.32$0.00$4.32$0.16$0.27$0.11
2013Detailed filing. Detailed filing data is available for this year.$4.45$0.00$4.45$0.38$0.26$0.12
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$4.33$0.00$4.33$0.26
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$4.41$0.00$4.41$0.30
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
May 8, 2025
Return Version
2024v5.1
Gross Receipts
$926,379
Mission and Program Overview

Mission

Support activities of nature conservancy in the state of arizona

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$3,705,328$3,896,305▲ $190,977
Investments in Publicly Traded Securities$3,333,676$3,668,714▲ $335,038
Savings and Temporary Cash Investments$109,184$119,303▲ $10,119
Investments Other Securities$261,593$108,263▼ $153,330
Cash and Non-Interest-Bearing Accounts$875$25▼ $850
Total Assets$3,705,328$3,896,305▲ $190,977
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Total Net Assets Fund Balance$3,705,328$3,896,305▲ $190,977
Total Liabilities and Net Assets / Fund Balance$3,705,328$3,896,305▲ $190,977
Compensation and Service Providers
Top Officer Pay43rd percentile

Employees

NameTitleBaseTotal
Daniel Stellar Nature ConservancyCorporate Trustee$15,441$15,441

Board Members and Trustees

NameTitle
-Public Charity Trustee
Rebecca Garrett Nature ConservancyPublic Charity Trustee
Scott Deeny Nature ConservancyPublic Charity Trustee
Sonya Stupel Nature ConservancyPublic Charity Trustee
Bruce ReedTrustee
Dawn TeufelTrustee
Revenue and Support

Revenue Composition

Contributions and Grants
$0
Program Service Revenue
$0
Investment Income
$402,160
Other Revenue
$49,105
Change in Net Assets
$223,858
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Grants and Similar Amounts Paid$171,000
Other Expenses$40,966
Salaries, Compensation, and Employee Benefits$15,441
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Grants to Domestic Orgs$171,000--$171,000
Fees for Service Investment Mgmnt Fees-$37,129-$37,129
Current Officers, Directors, Trustees, and Key Employees-$15,441-$15,441
All Other Expenses-$2,687-$2,687
Fees for Services Accounting-$1,150-$1,150
Total Functional Expenses$171,000$56,407$0$227,407
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 7A

“PER THE TRUST DOCUMENT, THE ORGANIZATION SHALL AT ALL TIMES BE COMPOSED OF THREE PUBLIC CHARITY TRUSTEES AND TWO DONOR TRUSTEES. THE PUBLIC CHARITY TRUSTEES SHALL SERVE AT THE PLEASURE OF THE PUBLIC CHARITY AND MAY BE REMOVED BY THE PUBLIC CHARITY AT ANY TIME WITHOUT CAUSE. SAME THING GOES WITHIN THE DONOR TRUSTEES GROUP. IF ANY TRUSTEE FAILS OR CEASES TO ACT AS SUCH, THE PERSON OR ENTITY DESIGNATED BY THE TRUSTEE(WITHIN THE SAME TRUSTEE GROUP) SHALL SERVE AS SUCCESSOR. NO PUBLIC CHARITY TRUSTEE SHALL BE A "DISQUALIFED PERSON" AS DEFINED IN TREASURY REGULATION SECTION 1.509(a)-4(j). THE DONOR TRUSTEE SHALL DESIGNATE A PERSON OR ENTITY TO FILL THE VACANCY (WITHIN THE DONOR TRUSTEE GROUP); BUT IF THE DONOR TRUSTEE”

EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 7A

“Designates no such successor, the trustees shall petition the king county superior court for appointment of a successor in accordance with rcw 11.98.039(3) or any amended or renumbered provision of the revised code of washington.”

EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 10B

“Nancy b buck charitable supporting foundation is a trust and its assets are currently being managed by laird norton wetherby trust company, the corporate trustee. Please refer to article 9 (governing law) of the trust document.”

Form 990, Page 6, Part VI, Line 11-description of Process for Review

“Laird norton wetherby trust company, as corporate trustee, reviews the tax return prepared by ernst & young, llp, the tax preparer, and files the return with the internal revenue service and with the state of washington secretary of state in a timely manner.”

Explanation for Form 990, Page 6, Part VI, Line 9

“Names and addresses of the trustees who cannot be reached at the organization's mailing address: daniel steelar, sonya stupel, scott deeny, rebecca garrett of the nature conservancy in arizona, 1510 e fort lowell road,tuscon, az 85719-2313, bruce reed, 1522 18th ave. #302, seattle, wa 98122, dawn teufel, 1102 e paseo pavon, tucson, az 85718”

Form 990, Page 6, Part VI, Line 19

“The trust does not make these documents available to the public.”

Filing and Contact Details

Filer

Filer Name
N Buck Char Supptng Fdn Tr
EIN
91-6376590
Phone
2064645100
Address
801 SECOND AVENUE SUITE 1600, SEATTLE, WA 98104

Signing Officer

Name
Laird Norton Wetherby Trust Co LLC
Title
Trustee
Phone
2064645100
Signed
2025-05-08
Discuss with paid preparer
Yes

Organization Details

Formed
1994
Legal Domicile
Wa
Voting Board Members
0
Independent Board Members
0
Employees
0

Preparer

Firm
Ernst & Young US Llp
Address
1201 ELM STREET, DALLAS, TX 75270
Preparer
Shujun Li
Phone
2147561462
Supplemental Narrative

Additional Explanations

Explanation for Form 990, Part XI, Line 9

“DEC 2025 INCOME POSTED IN 2024 -6571.12; DEC 2023 INCOME POSTED IN 2024 7,395.36; 2023 Return of Capital Adj. in 2024 -2,737.56; MSDLF 99DLF0220 Basis Adj. 16,103.7; MSDLF 61774A103 Basis Adj. 2,031.33; Partership LYME K-1 -49,105.00; Rounding 2; Total Net Adjustment -32,881.29”

Raw XML Appendix327 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
IRS990/AccountantCompileOrReviewInd0false
IRS990/ActivitiesConductedPrtshpInd0false
IRS990/ActivityOrMissionDesc0SUPPORT ACTIVITIES OF NATURE CONSERVANCY IN THE STATE OF ARIZONA
IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt02687
IRS990/AllOtherExpensesGrp/TotalAmt02687
IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt0LAIRD NORTON WETHERBY TRUST CO
IRS990/BooksInCareOfDetail/PhoneNum02064645100
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt0801 SECOND AVE SUITE 1600
IRS990/BooksInCareOfDetail/USAddress/CityNm0SEATTLE
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0WA
IRS990/BooksInCareOfDetail/USAddress/ZIPCd098104
IRS990/BusinessRlnWith35CtrlEntInd0false
IRS990/BusinessRlnWithFamMemInd0false
IRS990/BusinessRlnWithOrgMemInd0false
IRS990/CashNonInterestBearingGrp/BOYAmt0875
IRS990/CashNonInterestBearingGrp/EOYAmt025
IRS990/ChangeToOrgDocumentsInd0false
IRS990/CollectionsOfArtInd0false
IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt015441
IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt015441
IRS990/CompensationFromOtherSrcsInd0false
IRS990/CompensationProcessCEOInd0false
IRS990/CompensationProcessOtherInd0false
IRS990/ConflictOfInterestPolicyInd0false
IRS990/ConservationEasementsInd0false
IRS990/ConsolidatedAuditFinclStmtInd0false
IRS990/CreditCounselingInd0false
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt00
IRS990/CYGrantsAndSimilarPaidAmt0171000
IRS990/CYInvestmentIncomeAmt0402160
IRS990/CYOtherExpensesAmt040966
IRS990/CYOtherRevenueAmt049105
IRS990/CYProgramServiceRevenueAmt00
IRS990/CYRevenuesLessExpensesAmt0223858
IRS990/CYSalariesCompEmpBnftPaidAmt015441
IRS990/CYTotalExpensesAmt0227407
IRS990/CYTotalFundraisingExpenseAmt00
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt0451265
IRS990/DecisionsSubjectToApprovaInd0false
IRS990/DeductibleArtContributionInd0false
IRS990/DeductibleNonCashContriInd0false
IRS990/DelegationOfMgmtDutiesInd0false
IRS990/Desc0UNRESTRICTED GRANTS PAID TO NATURE CONSERVANCY
IRS990/DescribedInSection501c3Ind0true
IRS990/DisregardedEntityInd0false
IRS990/DocumentRetentionPolicyInd0false
IRS990/DonorAdvisedFundInd0false
IRS990/DonorRstrOrQuasiEndowmentsInd0false
IRS990/ElectionOfBoardMembersInd0true
IRS990/EmployeeCnt00
IRS990/EngagedInExcessBenefitTransInd0false
IRS990/ExcsTaxSect4951Or4952Or4953Ind0false
IRS990/ExpenseAmt0171000
IRS990/FamilyOrBusinessRlnInd0false
IRS990/FederalGrantAuditRequiredInd0false
IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt01150
IRS990/FeesForServicesAccountingGrp/TotalAmt01150
IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt037129
IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt037129
IRS990/ForeignActivitiesInd0false
IRS990/ForeignFinancialAccountInd0false
IRS990/ForeignOfficeInd0false
IRS990/Form8282PropertyDisposedOfInd0false
IRS990/Form990PartVIISectionAGrp/BusinessName/BusinessNameLine1Txt0LAIRDNORTON WETHERBY TRUST COMPANY LLC
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd1X
IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd0X
IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd1X
IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd2X
IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd3X
IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd4X
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt00
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt10
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/PersonNm0BRUCE REED
IRS990/Form990PartVIISectionAGrp/PersonNm1DAWN TEUFEL
IRS990/Form990PartVIISectionAGrp/PersonNm2SCOTT DEENY NATURE CONSERVANCY
IRS990/Form990PartVIISectionAGrp/PersonNm3REBECCA GARRETT NATURE CONSERVANCY
IRS990/Form990PartVIISectionAGrp/PersonNm4DANIEL STELLAR NATURE CONSERVANCY
IRS990/Form990PartVIISectionAGrp/PersonNm5SONYA STUPEL NATURE CONSERVANCY
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt415441
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/TitleTxt0TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt1TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt2PUBLIC CHARITY TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt3PUBLIC CHARITY TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt4CORPORATE TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt5PUBLIC CHARITY TRUSTEE
IRS990/Form990PartVIISectionAGrp/TitleTxt6PUBLIC CHARITY TRUSTEE
IRS990/Form990ProvidedToGvrnBodyInd0true
IRS990/Form990TFiledInd0true
IRS990/FormationYr01994
IRS990/FormerOfcrEmployeesListedInd0false
IRS990/FSAuditedInd0false
IRS990/FundraisingActivitiesInd0false
IRS990/GainOrLossGrp/SecuritiesAmt0258925
IRS990/GamingActivitiesInd0false
IRS990/GoverningBodyVotingMembersCnt00
IRS990/GrantAmt0171000
IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt0171000
IRS990/GrantsToDomesticOrgsGrp/TotalAmt0171000
IRS990/GrantsToIndividualsInd0false
IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt0734039
IRS990/GrossReceiptsAmt0926379
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IndependentAuditFinclStmtInd0false
IRS990/IndependentVotingMemberCnt00
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InfoInScheduleOPartXIInd0X
IRS990/InvestmentIncomeGrp/ExclusionAmt0143235
IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt0143235
IRS990/InvestmentInJointVentureInd0false
IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt0261593
IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt0108263
IRS990/InvestmentsPubTradedSecGrp/BOYAmt03333676
IRS990/InvestmentsPubTradedSecGrp/EOYAmt03668714
IRS990/IRPDocumentCnt00
IRS990/IRPDocumentW2GCnt00
IRS990/LegalDomicileStateCd0WA
IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt0475114
IRS990/LoanOutstandingInd0false
IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MiscellaneousRevenueGrp/ExclusionAmt07743
IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt049105
IRS990/MiscellaneousRevenueGrp/UnrelatedBusinessRevenueAmt041362
IRS990/MissionDesc0SUPPORT ACTIVITIES OF NATURE CONSERVANCY IN THE STATE OF ARIZONA
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/NetAssetsOrFundBalancesBOYAmt03705328
IRS990/NetAssetsOrFundBalancesEOYAmt03896305
IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt0258925
IRS990/NetUnrelatedBusTxblIncmAmt019681
IRS990/NondeductibleContributionsInd0false
IRS990/OfficerMailingAddressInd0true
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrgDoesNotFollowFASB117Ind0X
IRS990/OtherChangesInNetAssetsAmt0-32881
IRS990/OtherExpensesGrp/Desc0FOREIGN TAXES
IRS990/OtherExpensesGrp/Desc1STATE FILING FEE
IRS990/OtherRevenueTotalAmt049105
IRS990/PartialLiquidationInd0false
IRS990/PayPremiumsPrsnlBnftCntrctInd0false
IRS990/PoliticalCampaignActyInd0false
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IRS990/ProfessionalFundraisingInd0false
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYExcessBenefitTransInd0false
IRS990/PYGrantsAndSimilarPaidAmt0330000
IRS990/PYInvestmentIncomeAmt094488
IRS990/PYOtherExpensesAmt038822
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IRS990/PYSalariesCompEmpBnftPaidAmt014397
IRS990/PYTotalExpensesAmt0383219
IRS990/PYTotalRevenueAmt094488
IRS990/QuidProQuoContributionsInd0false
IRS990/RcvFndsToPayPrsnlBnftCntrctInd0false
IRS990/ReconcilationRevenueExpnssAmt0223858
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0false
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
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IRS990ScheduleA/DistributableAmountGrp/CYAdjNetIncomeDistributableAmt00
IRS990ScheduleA/DistributableAmountGrp/CYDistributableAsAdjustedAmt00
IRS990ScheduleA/DistributableAmountGrp/CYGreaterAdjustedMinimumAmt00
IRS990ScheduleA/DistributableAmountGrp/CYIncomeTaxImposedPYAmt00
IRS990ScheduleA/DistributableAmountGrp/CYPct85AdjustedNetIncomeAmt00
IRS990ScheduleA/DistributableAmountGrp/CYTotalMinAstDistributableAmt00
IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd0false
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IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt0THE NATURE CONSERVANCY
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0PER THE TRUST DOCUMENT, THE ORGANIZATION SHALL AT ALL TIMES BE COMPOSED OF THREE PUBLIC CHARITY TRUSTEES AND TWO DONOR TRUSTEES. THE PUBLIC CHARITY TRUSTEES SHALL SERVE AT THE PLEASURE OF THE PUBLIC CHARITY AND MAY BE REMOVED BY THE PUBLIC CHARITY AT ANY TIME WITHOUT CAUSE. SAME THING GOES WITHIN THE DONOR TRUSTEES GROUP. IF ANY TRUSTEE FAILS OR CEASES TO ACT AS SUCH, THE PERSON OR ENTITY DESIGNATED BY THE TRUSTEE(WITHIN THE SAME TRUSTEE GROUP) SHALL SERVE AS SUCCESSOR. NO PUBLIC CHARITY TRUSTEE SHALL BE A "DISQUALIFED PERSON" AS DEFINED IN TREASURY REGULATION SECTION 1.509(a)-4(j). THE DONOR TRUSTEE SHALL DESIGNATE A PERSON OR ENTITY TO FILL THE VACANCY (WITHIN THE DONOR TRUSTEE GROUP); BUT IF THE DONOR TRUSTEE
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1DESIGNATES NO SUCH SUCCESSOR, THE TRUSTEES SHALL PETITION THE KING COUNTY SUPERIOR COURT FOR APPOINTMENT OF A SUCCESSOR IN ACCORDANCE WITH RCW 11.98.039(3) OR ANY AMENDED OR RENUMBERED PROVISION OF THE REVISED CODE OF WASHINGTON.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2NANCY B BUCK CHARITABLE SUPPORTING FOUNDATION IS A TRUST AND ITS ASSETS ARE CURRENTLY BEING MANAGED BY LAIRD NORTON WETHERBY TRUST COMPANY, THE CORPORATE TRUSTEE. PLEASE REFER TO ARTICLE 9 (GOVERNING LAW) OF THE TRUST DOCUMENT.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3LAIRD NORTON WETHERBY TRUST COMPANY, AS CORPORATE TRUSTEE, REVIEWS THE TAX RETURN PREPARED BY ERNST & YOUNG, LLP, THE TAX PREPARER, AND FILES THE RETURN WITH THE INTERNAL REVENUE SERVICE AND WITH THE STATE OF WASHINGTON SECRETARY OF STATE IN A TIMELY MANNER.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4NAMES AND ADDRESSES OF THE TRUSTEES WHO CANNOT BE REACHED AT THE ORGANIZATION'S MAILING ADDRESS: DANIEL STEELAR, SONYA STUPEL, SCOTT DEENY, REBECCA GARRETT OF THE NATURE CONSERVANCY IN ARIZONA, 1510 E FORT LOWELL ROAD,TUSCON, AZ 85719-2313, BRUCE REED, 1522 18TH AVE. #302, SEATTLE, WA 98122, DAWN TEUFEL, 1102 E PASEO PAVON, TUCSON, AZ 85718
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5THE TRUST DOES NOT MAKE THESE DOCUMENTS AVAILABLE TO THE PUBLIC.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6DEC 2025 INCOME POSTED IN 2024 -6571.12; DEC 2023 INCOME POSTED IN 2024 7,395.36; 2023 Return of Capital Adj. in 2024 -2,737.56; MSDLF 99DLF0220 Basis Adj. 16,103.7; MSDLF 61774A103 Basis Adj. 2,031.33; Partership LYME K-1 -49,105.00; Rounding 2; Total Net Adjustment -32,881.29
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 7a
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 7a
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 10b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3FORM 990, PAGE 6, PART VI, LINE 11-DESCRIPTION OF PROCESS FOR REVIEW
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4EXPLANATION FOR FORM 990, PAGE 6, PART VI, LINE 9
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5FORM 990, PAGE 6, PART VI, LINE 19
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6EXPLANATION FOR FORM 990, PART XI, LINE 9
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ReturnHeader/BuildTS02025-03-06 01:10:19Z
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ReturnHeader/BusinessOfficerGrp/SignatureDt02025-05-08
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ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0DALLAS
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ReturnHeader/PreparerPersonGrp/PreparationDt02025-05-08
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0SHUJUN LI
ReturnHeader/ReturnTs02025-05-14T18:01:23-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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