Civic Intelligence

Maine Natural History Observatory

EIN 20-0718450 • 501(c)3 • Gouldsboro, ME

Profile

Natural history observation

317 Guzzle RoadGouldsboro, ME 04607-3218

www.mainenaturalhistory.org

Siviq Scores

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

Liabilities / Assets

65th percentile

0.01x

Higher debt load relative to assets than 65% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

66th percentile

0.01x

Higher debt load relative to revenue than 66% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Net Margin

76th percentile

21%

Higher net margin than 76% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

94th percentile

140%

Faster asset growth than 94% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2025

Revenue Growth

79th percentile

33%

Faster revenue growth than 79% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2025

Balance Sheet
Liabilities / Assets65th percentile

Assets

Up

$268,146

Up $69,493 (+35%) from 2024

Liabilities

Down

$1,861

Down $5,325 (-74%) from 2024

Net Assets

Up

$266,285

Up $74,818 (+39%) from 2024

Operations
Liabilities / Revenue66th percentileNet Margin76th percentile

Revenue

Down

$348,525

Down $38,250 (-9.9%) from 2024

Expenses

Up

$273,707

Up $40,965 (+18%) from 2024

Net Income

Down

$74,818

Down $79,215 (-51%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth94th percentile

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

$300K$200K$100K$0Assets 2012: $26,410Liabilities 2012: $8,7102012Assets 2013: $29,016Liabilities 2013: $4,320Net Assets 2013: $24,6962013Assets 2014: $5,873Liabilities 2014: $4,334Net Assets 2014: $1,5392014Assets 2015: $46,827Liabilities 2015: $3,8662015Assets 2016: $18,108Liabilities 2016: $4,676Net Assets 2016: $13,4322016Assets 2017: $36,116Liabilities 2017: $7,142Net Assets 2017: $28,9742017Assets 2018: $36,608Liabilities 2018: $7,062Net Assets 2018: $29,5462018Assets 2019: $75,969Liabilities 2019: $7,126Net Assets 2019: $68,8432019Assets 2020: $46,505Liabilities 2020: $6,613Net Assets 2020: $39,8922020Assets 2021: $48,656Liabilities 2021: $3,905Net Assets 2021: $44,7512021Assets 2022: $44,380Liabilities 2022: $5,918Net Assets 2022: $38,4622022Assets 2023: $46,732Liabilities 2023: $9,298Net Assets 2023: $37,4342023Assets 2024: $198,653Liabilities 2024: $7,186Net Assets 2024: $191,4672024Assets 2025: $268,146Liabilities 2025: $1,861Net Assets 2025: $266,2852025

Highlighted filing

2025

Assets$268,146
Liabilities$1,861
Net Assets$266,285
Open 2025 Filing

Operations Trend

Revenue Growth79th percentile

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

$400K$200K$0-$200KRevenue 2012: $86,103Expenses 2012: $86,350Net Income 2012: -$2472012Revenue 2013: $140,040Expenses 2013: $133,044Net Income 2013: $6,9962013Revenue 2014: $88,693Expenses 2014: $111,850Net Income 2014: -$23,1572014Revenue 2015: $159,585Expenses 2015: $118,163Net Income 2015: $41,4222015Revenue 2016: $150,487Expenses 2016: $180,016Net Income 2016: -$29,5292016Revenue 2017: $207,435Expenses 2017: $191,893Net Income 2017: $15,5422017Revenue 2018: $195,920Expenses 2018: $195,348Net Income 2018: $5722018Revenue 2019: $266,280Expenses 2019: $226,983Net Income 2019: $39,2972019Revenue 2020: $165,570Expenses 2020: $194,821Net Income 2020: -$29,2512020Revenue 2021: $143,614Expenses 2021: $138,755Net Income 2021: $4,8592021Revenue 2022: $178,093Expenses 2022: $184,382Net Income 2022: -$6,2892022Revenue 2023: $198,121Expenses 2023: $199,149Net Income 2023: -$1,0282023Revenue 2024: $386,775Expenses 2024: $232,742Net Income 2024: $154,0332024Revenue 2025: $348,525Expenses 2025: $273,707Net Income 2025: $74,8182025

Highlighted filing

2025

Revenue$348,525
Expenses$273,707
Net Income$74,818
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$268,146
Liabilities
$1,861
Net assets
$266,285
Revenue
$348,525
Expenses
$273,707
Net income
$74,818
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.68$0.02$2.66$3.49$2.74$0.75
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$1.99$0.07$1.91$3.87$2.33$1.54
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.47$0.09$0.37$1.98$1.99$0.01
2022Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.44$0.06$0.38$1.78$1.84$0.06
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.49$0.04$0.45$1.44$1.39$0.05
2020Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.47$0.07$0.40$1.66$1.95$0.29
2019Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.76$0.07$0.69$2.66$2.27$0.39
2018Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.37$0.07$0.30$1.96$1.95$0.01
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.36$0.07$0.29$2.07$1.92$0.16
2016Detailed filing. Detailed filing data is available for this year.$0.18$0.05$0.13$1.50$1.80$0.30
2015Summary only. Only limited summary data is available for this year.$0.47$0.04$1.60$1.18$0.41
2014Detailed filing. Detailed filing data is available for this year.$0.06$0.04$0.02$0.89$1.12$0.23
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.29$0.04$0.25$1.40$1.33$0.07
2012Summary only. Only limited summary data is available for this year.$0.26$0.09$0.86$0.86$0.00
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Nov 18, 2025
Return Version
2024v5.0
Gross Receipts
$348,525
Mission and Program Overview

Mission

Natural history observation

Balance Sheet Detail
LineBeginningEndChange
Assets
Cash and Non-Interest-Bearing Accounts$159,185$228,592▲ $69,407
Land, Buildings, and Equipment, Net$35,142$30,914▼ $4,228
Pledges and Grants Receivable$4,326$8,640▲ $4,314
Total Assets$198,653$268,146▲ $69,493
Liabilities
Other Liabilities$7,186$1,861▼ $5,325
Total Liabilities$7,186$1,861▼ $5,325
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$191,467$266,285▲ $74,818
Total Net Assets Fund Balance$191,467$266,285▲ $74,818
Total Liabilities and Net Assets / Fund Balance$198,653$268,146▲ $69,493

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$30,914$11,374$42,288
Compensation and Service Providers
Top Officer PayScore unavailable

Employees

NameTitleFull / Part TimeBaseTotal
Glen MittelhauserTreasurer/exFT$38,396$38,396

Board Members and Trustees

NameTitle
Rich MacdonaldPresident
Bob DeforrestDirector
Jacob Van De SandeDirector
Jill WebberDirector
Megan McoskerDirector
Jordan ChalfantSecretary
Revenue and Support

Revenue Composition

Contributions and Grants
$134,620
Program Service Revenue
$213,761
Investment Income
$144
Other Revenue
$0
All Other Contributions
$124,309
Change in Net Assets
$74,818
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$170,205
Other Expenses$103,502
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$114,328--$114,328
Fees for Services Other$54,067$14,174-$68,241
Current Officers, Directors, Trustees, and Key Employees$37,628$768-$38,396
Payroll Taxes$12,500$1,389-$13,889
Occupancy$2,346$8,016-$10,362
Travel$9,386$284-$9,670
Fees for Services Accounting$609$3,638-$4,247
Depreciation Depletion$4,228--$4,228
Other Employee Benefits$3,325$267-$3,592
Insurance$116$3,410-$3,526
Office Expenses$1,433$345-$1,778
Conferences and Meetings$1,350$100-$1,450
Total Functional Expenses$241,316$32,391$0$273,707
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
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Capital One Credit Card$1,861
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
No
Backup withholding compliance
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
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 11B

“No review was or will be conducted.”

Form 990, Page 6, Part VI, Line 12C

“All officers and board members are required to disclose any conflicts of interest that arise.”

Form 990, Page 6, Part VI, Line 19

“The organization makes it governing documents, conflict of interest policy and financial records available upon request.”

Filing and Contact Details

Filer

Filer Name
Maine Natural History Observatory
EIN
20-0718450
Phone
2079632012
Address
317 GUZZLE ROAD, GOULDSBORO, ME 04607-3218

Signing Officer

Name
Glen Mittelhauser
Title
Treasurer/exec Director
Phone
2079632012
Signed
2025-11-18
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Glen Mittelhauser
Voting Board Members
8
Independent Board Members
8
Employees
8
Volunteers
25

Preparer

Firm
Coston & Mcisaac Cpas Chartered
Address
38 RODICK ST, BAR HARBOR, ME 04609
Preparer
Melinda Workman
Phone
2072889458
Supplemental Narrative

Additional Explanations

Form 990, Part IX, Line 11G

“Books, subscriptions & ref 929 0 0 books, subscriptions, & ref 0 25 0 books, subscriptions, & ref 1,202 0 0 books, subscriptions, & ref 415 0 0 equipment rental & maint 0 1,335 0 equipment rental & maint 2,388 0 0 equipment / maintenace 870 0 0 meals & entertainment 0 309 0 meals & entertainment 2,898 0 0 meals & entertainment 547 0 0 org (corp) expenses 0 924 0 payroll processing 743 0 0 supplies 34,715 0 0 supplies 7,648 0 0 supplies - mgmt 0 7,468 0 telephone mgmt 0 2,020 0 web services 0 1,866 0 web services 1,649 0 0 web services 63 0 0 membership dues 0 227 0 total 54,067 14,174 0”

Raw XML Appendix358 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/ActivityOrMissionDesc0NATURAL HISTORY OBSERVATION
IRS990/AllOtherContributionsAmt0124309
IRS990/AnnualDisclosureCoveredPrsnInd0false
IRS990/BackupWthldComplianceInd0false
IRS990/BooksInCareOfDetail/PersonNm0GLEN MITTELHAUSER
IRS990/BooksInCareOfDetail/PhoneNum02079632012
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt0317 GUZZLE RD
IRS990/BooksInCareOfDetail/USAddress/CityNm0GOULDSBORO
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0ME
IRS990/BooksInCareOfDetail/USAddress/ZIPCd004607
IRS990/BusinessRlnWith35CtrlEntInd0false
IRS990/BusinessRlnWithFamMemInd0false
IRS990/BusinessRlnWithOrgMemInd0false
IRS990/CashNonInterestBearingGrp/BOYAmt0159185
IRS990/CashNonInterestBearingGrp/EOYAmt0228592
IRS990/ChangeToOrgDocumentsInd0false
IRS990/CollectionsOfArtInd0false
IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt0768
IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt037628
IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt038396
IRS990/CompensationFromOtherSrcsInd0false
IRS990/CompensationProcessCEOInd0false
IRS990/CompensationProcessOtherInd0false
IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt0100
IRS990/ConferencesMeetingsGrp/ProgramServicesAmt01350
IRS990/ConferencesMeetingsGrp/TotalAmt01450
IRS990/ConflictOfInterestPolicyInd0true
IRS990/ConservationEasementsInd0false
IRS990/ConsolidatedAuditFinclStmtInd0false
IRS990/CreditCounselingInd0false
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt0134620
IRS990/CYGrantsAndSimilarPaidAmt00
IRS990/CYInvestmentIncomeAmt0144
IRS990/CYOtherExpensesAmt0103502
IRS990/CYOtherRevenueAmt00
IRS990/CYProgramServiceRevenueAmt0213761
IRS990/CYRevenuesLessExpensesAmt074818
IRS990/CYSalariesCompEmpBnftPaidAmt0170205
IRS990/CYTotalExpensesAmt0273707
IRS990/CYTotalFundraisingExpenseAmt00
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt0348525
IRS990/DecisionsSubjectToApprovaInd0false
IRS990/DeductibleArtContributionInd0false
IRS990/DeductibleNonCashContriInd0false
IRS990/DelegationOfMgmtDutiesInd0false
IRS990/DepreciationDepletionGrp/ProgramServicesAmt04228
IRS990/DepreciationDepletionGrp/TotalAmt04228
IRS990/Desc0INCREASE KNOWLEDGE OF BIRD POPULATIONS IN MAINE THROUGH FIELD EFFORTS AND PUBLICATIONS
IRS990/DescribedInSection501c3Ind0true
IRS990/DisregardedEntityInd0false
IRS990/DocumentRetentionPolicyInd0false
IRS990/DonorAdvisedFundInd0false
IRS990/DonorRstrOrQuasiEndowmentsInd0false
IRS990/ElectionOfBoardMembersInd0false
IRS990/EmployeeCnt08
IRS990/EmploymentTaxReturnsFiledInd0true
IRS990/EngagedInExcessBenefitTransInd0false
IRS990/ExpenseAmt0140537
IRS990/FamilyOrBusinessRlnInd0false
IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt03638
IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt0609
IRS990/FeesForServicesAccountingGrp/TotalAmt04247
IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt014174
IRS990/FeesForServicesOtherGrp/ProgramServicesAmt054067
IRS990/FeesForServicesOtherGrp/TotalAmt068241
IRS990/ForeignActivitiesInd0false
IRS990/ForeignFinancialAccountInd0false
IRS990/ForeignOfficeInd0false
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt040.00
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd1X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd2X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd3X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd4X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd5X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd6X
IRS990/Form990PartVIISectionAGrp/OfficerInd0X
IRS990/Form990PartVIISectionAGrp/OfficerInd1X
IRS990/Form990PartVIISectionAGrp/OfficerInd2X
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt00
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt10
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/PersonNm0GLEN MITTELHAUSER
IRS990/Form990PartVIISectionAGrp/PersonNm1RICH MACDONALD
IRS990/Form990PartVIISectionAGrp/PersonNm2JORDAN CHALFANT
IRS990/Form990PartVIISectionAGrp/PersonNm3MEGAN MCOSKER
IRS990/Form990PartVIISectionAGrp/PersonNm4JACOB VAN DE SANDE
IRS990/Form990PartVIISectionAGrp/PersonNm5BOB DEFORREST
IRS990/Form990PartVIISectionAGrp/PersonNm6JILL WEBBER
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt038396
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
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/TitleTxt0TREASURER/EX
IRS990/Form990PartVIISectionAGrp/TitleTxt1PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt2SECRETARY
IRS990/Form990PartVIISectionAGrp/TitleTxt3DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt4DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt5DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt6DIRECTOR
IRS990/Form990ProvidedToGvrnBodyInd0false
IRS990/FormerOfcrEmployeesListedInd0false
IRS990/FSAuditedInd0false
IRS990/FundraisingActivitiesInd0false
IRS990/GamingActivitiesInd0false
IRS990/GoverningBodyVotingMembersCnt08
IRS990/GrantsToIndividualsInd0false
IRS990/GrantsToOrganizationsInd0false
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossReceiptsAmt0348525
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IndependentAuditFinclStmtInd0false
IRS990/IndependentVotingMemberCnt08
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartIXInd0X
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InsuranceGrp/ManagementAndGeneralAmt03410
IRS990/InsuranceGrp/ProgramServicesAmt0116
IRS990/InsuranceGrp/TotalAmt03526
IRS990/InvestmentIncomeGrp/ExclusionAmt0144
IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt0144
IRS990/InvestmentInJointVentureInd0false
IRS990/IRPDocumentCnt00
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt011374
IRS990/LandBldgEquipBasisNetGrp/BOYAmt035142
IRS990/LandBldgEquipBasisNetGrp/EOYAmt030914
IRS990/LandBldgEquipCostOrOtherBssAmt042288
IRS990/LoanOutstandingInd0false
IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembershipDuesAmt010311
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MissionDesc0NATURAL HISTORY OBSERVATION
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/NetAssetsOrFundBalancesBOYAmt0191467
IRS990/NetAssetsOrFundBalancesEOYAmt0266285
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt0191467
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt0266285
IRS990/NondeductibleContributionsInd0false
IRS990/OccupancyGrp/ManagementAndGeneralAmt08016
IRS990/OccupancyGrp/ProgramServicesAmt02346
IRS990/OccupancyGrp/TotalAmt010362
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt0345
IRS990/OfficeExpensesGrp/ProgramServicesAmt01433
IRS990/OfficeExpensesGrp/TotalAmt01778
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt0267
IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt03325
IRS990/OtherEmployeeBenefitsGrp/TotalAmt03592
IRS990/OtherLiabilitiesGrp/BOYAmt07186
IRS990/OtherLiabilitiesGrp/EOYAmt01861
IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt0114328
IRS990/OtherSalariesAndWagesGrp/TotalAmt0114328
IRS990/PartialLiquidationInd0false
IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt01389
IRS990/PayrollTaxesGrp/ProgramServicesAmt012500
IRS990/PayrollTaxesGrp/TotalAmt013889
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt04326
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt08640
IRS990/PoliticalCampaignActyInd0false
IRS990/PrincipalOfficerNm0GLEN MITTELHAUSER
IRS990/ProfessionalFundraisingInd0false
IRS990/ProgramServiceRevenueGrp/Desc0STATE CONTRACTS
IRS990/ProgramServiceRevenueGrp/Desc1FEDERAL CONTRACTS
IRS990/ProgramServiceRevenueGrp/Desc2SALES INCOME
IRS990/ProgramServiceRevenueGrp/Desc3SHIPPING INCOME
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt0185180
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt123776
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt23768
IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt31037
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt0185180
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt123776
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt23768
IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt31037
IRS990/ProgSrvcAccomActy2Grp/Desc0INCREASE KNOWLEDGE OF THE VASCULAR FLORA, RARE AND INVASIVE PLANTS IN MAINE THROUGH FIELD EFFORTS AND PUBLICATIONS
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt083760
IRS990/ProgSrvcAccomActy3Grp/Desc0CATALOG AND PUBLISH DETAILS REGARDING SIGNIFICANT MUSEUM COLLECTIONS PERTAINING TO MAINE
IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt017019
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt0185429
IRS990/PYExcessBenefitTransInd0false
IRS990/PYInvestmentIncomeAmt095
IRS990/PYOtherExpensesAmt0119898
IRS990/PYProgramServiceRevenueAmt0201251
IRS990/PYRevenuesLessExpensesAmt0154033
IRS990/PYSalariesCompEmpBnftPaidAmt0112844
IRS990/PYTotalExpensesAmt0232742
IRS990/PYTotalRevenueAmt0386775
IRS990/ReconcilationRevenueExpnssAmt074818
IRS990/RegularMonitoringEnfrcInd0true
IRS990/RelatedEntityInd0false
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0true
IRS990/ReportProgramRelatedInvstInd0false
IRS990/RevenueAmt0213761
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt0134620
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt0185429
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt070824
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt066982
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt072012
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt0529867
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt0144
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt095
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt061
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt0126
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt0116
IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt0542
IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt0724835
IRS990ScheduleA/PublicOrganization170Ind0X
IRS990ScheduleA/PublicSupportCY170Pct00.73780
IRS990ScheduleA/PublicSupportPY170Pct00.74240
IRS990ScheduleA/PublicSupportTotal170Amt0391328
IRS990ScheduleA/SubstantialContributorsTotAmt0138539
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind0X
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt0134620
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt0185429
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt070824
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt066982
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt072012
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt0529867
IRS990ScheduleA/TotalSupportAmt0530409
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd0true
IRS990ScheduleD/EquipmentGrp/BookValueAmt030914
IRS990ScheduleD/EquipmentGrp/DepreciationAmt011374
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt042288
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt01861
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc0CAPITAL ONE CREDIT CARD
IRS990ScheduleD/TotalBookValueLandBuildingsAmt030914
IRS990ScheduleD/TotalLiabilityAmt01861
IRS990/ScheduleJRequiredInd0false
IRS990/ScheduleORequiredInd0false
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0NO REVIEW WAS OR WILL BE CONDUCTED.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1ALL OFFICERS AND BOARD MEMBERS ARE REQUIRED TO DISCLOSE ANY CONFLICTS OF INTEREST THAT ARISE.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2THE ORGANIZATION MAKES IT GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL RECORDS AVAILABLE UPON REQUEST.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3BOOKS, SUBSCRIPTIONS & REF 929 0 0 BOOKS, SUBSCRIPTIONS, & REF 0 25 0 BOOKS, SUBSCRIPTIONS, & REF 1,202 0 0 BOOKS, SUBSCRIPTIONS, & REF 415 0 0 EQUIPMENT RENTAL & MAINT 0 1,335 0 EQUIPMENT RENTAL & MAINT 2,388 0 0 EQUIPMENT / MAINTENACE 870 0 0 MEALS & ENTERTAINMENT 0 309 0 MEALS & ENTERTAINMENT 2,898 0 0 MEALS & ENTERTAINMENT 547 0 0 ORG (CORP) EXPENSES 0 924 0 PAYROLL PROCESSING 743 0 0 SUPPLIES 34,715 0 0 SUPPLIES 7,648 0 0 SUPPLIES - MGMT 0 7,468 0 TELEPHONE MGMT 0 2,020 0 WEB SERVICES 0 1,866 0 WEB SERVICES 1,649 0 0 WEB SERVICES 63 0 0 MEMBERSHIP DUES 0 227 0 TOTAL 54,067 14,174 0
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PAGE 6, PART VI, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990, PAGE 6, PART VI, LINE 12C
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2FORM 990, PAGE 6, PART VI, LINE 19
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3FORM 990, PART IX, LINE 11G
IRS990/SchoolOperatingInd0false
IRS990/SignificantChangeInd0false
IRS990/SignificantNewProgramSrvcInd0false
IRS990/SubjectToExcsTaxNetInvstIncInd0false
IRS990/SubjectToProxyTaxInd0false
IRS990/SubjToTaxRmnrtnExPrchtPymtInd0false
IRS990/TaxablePartyNotificationInd0false
IRS990/TaxExemptBondsInd0false
IRS990/TerminateOperationsInd0false
IRS990/TotalAssetsBOYAmt0198653
IRS990/TotalAssetsEOYAmt0268146
IRS990/TotalAssetsGrp/BOYAmt0198653
IRS990/TotalAssetsGrp/EOYAmt0268146
IRS990/TotalCompGreaterThan150KInd0false
IRS990/TotalContributionsAmt0134620
IRS990/TotalEmployeeCnt08
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt032391
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt0241316
IRS990/TotalFunctionalExpensesGrp/TotalAmt0273707
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesBOYAmt07186
IRS990/TotalLiabilitiesEOYAmt01861
IRS990/TotalLiabilitiesGrp/BOYAmt07186
IRS990/TotalLiabilitiesGrp/EOYAmt01861
IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt0191467
IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt0266285
IRS990/TotalProgramServiceExpensesAmt0241316
IRS990/TotalProgramServiceRevenueAmt0213761
IRS990/TotalReportableCompFromOrgAmt038396
IRS990/TotalRevenueGrp/ExclusionAmt0144
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt0213761
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0348525
IRS990/TotalVolunteersCnt025
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt0198653
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt0268146
IRS990/TravelGrp/ManagementAndGeneralAmt0284
IRS990/TravelGrp/ProgramServicesAmt09386
IRS990/TravelGrp/TotalAmt09670
IRS990/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd0false
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt0317 GUZZLE RD
IRS990/USAddress/CityNm0GOULDSBORO
IRS990/USAddress/StateAbbreviationCd0ME
IRS990/USAddress/ZIPCd004607
IRS990/VotingMembersGoverningBodyCnt08
IRS990/VotingMembersIndependentCnt08
IRS990/WebsiteAddressTxt0WWW.MAINENATURALHISTORY.ORG
IRS990/WhistleblowerPolicyInd0false
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0GLEN MITTELHAUSER
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TREASURER/EXEC DIR
ReturnHeader/BusinessOfficerGrp/PhoneNum02079632012
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-18
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0MAINE NATURAL HISTORY OBSERVATORY
ReturnHeader/Filer/BusinessNameControlTxt0MAIN
ReturnHeader/Filer/EIN0200718450
ReturnHeader/Filer/PhoneNum02079632012
ReturnHeader/Filer/USAddress/AddressLine1Txt0317 GUZZLE ROAD
ReturnHeader/Filer/USAddress/CityNm0GOULDSBORO
ReturnHeader/Filer/USAddress/StateAbbreviationCd0ME
ReturnHeader/Filer/USAddress/ZIPCd0046073218
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0010426847
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0COSTON & MCISAAC CPAS CHARTERED
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt038 RODICK ST
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0BAR HARBOR
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0ME
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd004609
ReturnHeader/PreparerPersonGrp/PhoneNum02072889458
ReturnHeader/PreparerPersonGrp/PreparationDt02025-11-18
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0MELINDA WORKMAN
ReturnHeader/ReturnTs02025-11-19T14:36:27-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

Document Assets

No mirrored PDF or thumbnail assets are attached yet.