Civic Intelligence

Islesboro Historical Society Inc

EIN 01-0316968 • 501(c)3 • Islesboro, ME

990-N Coverage

Profile

To bring together people interested in the history of Islesboro, for the purpose of collecting, preserving, presenting and promoting materials related to the history of the town and its place in local, regional, and national history. Materials include printed and manuscript documents and records, paintings, photographs, maps, objects, artifacts and buildings associated with the history of Islesboro and its residents.The Society also seeks to preserve, promote and interpret and sustain the culture of Islesboro and its residents, by hosting, sponsoring, and supporting activities and events that celebrate and sustain that culture in all its various forms.

PO Box 301Islesboro, ME 04848

islesborohistorical.org

Siviq Scores

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

Liabilities / Assets

35th percentile

0.00x

Higher debt load relative to assets than 35% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Liabilities / Revenue

40th percentile

0.00x

Higher debt load relative to revenue than 40% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Net Margin

89th percentile

47%

Higher net margin than 89% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Top Officer Pay

55th percentile

$0

Higher top officer pay than 55% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Asset Growth

61st percentile

8.3%

Faster asset growth than 61% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Revenue Growth

69th percentile

24%

Faster revenue growth than 69% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Assets

Up

$633,827

Up $48,312 (+8.3%) from 2023

Liabilities

Up

$307

Up $45 (+17%) from 2023

Net Assets

Up

$633,520

Up $48,267 (+8.2%) from 2023

Revenue

Up

$102,286

Up $19,602 (+24%) from 2023

Expenses

Up

$54,020

Up $3,387 (+6.7%) from 2023

Net Income

Up

$48,266

Up $16,215 (+51%) from 2023

Trend Graphs

Balance Sheet Trend

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

$800K$600K$400K$200K$0Assets 2010: $223,114Net Assets 2010: $223,1142010Assets 2011: $226,180Liabilities 2011: $271Net Assets 2011: $225,9092011Assets 2012: $240,951Liabilities 2012: $53Net Assets 2012: $240,8982012Assets 2013: $253,418Liabilities 2013: $84Net Assets 2013: $253,3342013Assets 2014: $451,961Liabilities 2014: $73Net Assets 2014: $451,8882014Assets 2015: $452,923Liabilities 2015: $103Net Assets 2015: $452,8202015Assets 2016: $456,103Liabilities 2016: $132Net Assets 2016: $455,9712016Assets 2017: $455,857Liabilities 2017: $454Net Assets 2017: $455,4032017Assets 2018: $534,810Liabilities 2018: $345Net Assets 2018: $534,4652018Assets 2019: $528,044Liabilities 2019: $290Net Assets 2019: $527,7542019Assets 2020: $525,336Liabilities 2020: $1,588Net Assets 2020: $523,7482020Assets 2021: $545,990Liabilities 2021: $290Net Assets 2021: $545,7002021Assets 2022: $557,503Liabilities 2022: $4,301Net Assets 2022: $553,2022022Assets 2023: $585,515Liabilities 2023: $262Net Assets 2023: $585,2532023Assets 2024: $633,827Liabilities 2024: $307Net Assets 2024: $633,5202024

Highlighted filing

2024

Assets$633,827
Liabilities$307
Net Assets$633,520

Operations Trend

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

$300K$200K$100K$0-$100KRevenue 2010: $37,218Expenses 2010: $22,527Net Income 2010: $14,6912010Revenue 2011: $38,352Expenses 2011: $35,557Net Income 2011: $2,7952011Revenue 2012: $40,038Expenses 2012: $25,049Net Income 2012: $14,9892012Revenue 2013: $36,143Expenses 2013: $23,707Net Income 2013: $12,4362013Revenue 2014: $227,140Expenses 2014: $28,586Net Income 2014: $198,5542014Revenue 2015: $45,112Expenses 2015: $44,180Net Income 2015: $9322015Revenue 2016: $44,517Expenses 2016: $41,366Net Income 2016: $3,1512016Revenue 2017: $32,415Expenses 2017: $32,983Net Income 2017: -$5682017Revenue 2018: $122,938Expenses 2018: $44,204Net Income 2018: $78,7342018Revenue 2019: $37,188Expenses 2019: $43,900Net Income 2019: -$6,7122019Revenue 2020: $43,164Expenses 2020: $47,170Net Income 2020: -$4,0062020Revenue 2021: $65,089Expenses 2021: $43,135Net Income 2021: $21,9542021Revenue 2022: $55,486Expenses 2022: $47,985Net Income 2022: $7,5012022Revenue 2023: $82,684Expenses 2023: $50,633Net Income 2023: $32,0512023Revenue 2024: $102,286Expenses 2024: $54,020Net Income 2024: $48,2662024

Highlighted filing

2024

Revenue$102,286
Expenses$54,020
Net Income$48,266

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$6.34$0.00$6.34$1.02$0.54$0.48
2023Detailed filing. Detailed filing data is available for this year.$5.86$0.00$5.85$0.83$0.51$0.32
2022Detailed filing. Detailed filing data is available for this year.$5.58$0.04$5.53$0.55$0.48$0.08
2021Detailed filing. Detailed filing data is available for this year.$5.46$0.00$5.46$0.65$0.43$0.22
2020Detailed filing. Detailed filing data is available for this year.$5.25$0.02$5.24$0.43$0.47$0.04
2019Detailed filing. Detailed filing data is available for this year.$5.28$0.00$5.28$0.37$0.44$0.07
2018Detailed filing. Detailed filing data is available for this year.$5.35$0.00$5.34$1.23$0.44$0.79
2017Detailed filing. Detailed filing data is available for this year.$4.56$0.00$4.55$0.32$0.33$0.01
2016Detailed filing. Detailed filing data is available for this year.$4.56$0.00$4.56$0.45$0.41$0.03
2015Detailed filing. Detailed filing data is available for this year.$4.53$0.00$4.53$0.45$0.44$0.01
2014Detailed filing. Detailed filing data is available for this year.$4.52$0.00$4.52$2.27$0.29$1.99
2013Detailed filing. Detailed filing data is available for this year.$2.53$0.00$2.53$0.36$0.24$0.12
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.41$0.00$2.41$0.40$0.25$0.15
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.26$0.00$2.26$0.38$0.36$0.03
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$2.23$2.23$0.37$0.23$0.15
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 17, 2025
Return Version
2024v5.2
Gross Receipts
$107,560
Mission and Program Overview

Mission

To collect, preserve and display the Island's historical past.

To bring together people interested in the history of Islesboro, for the purpose of collecting, preserving, presenting and promoting materials related to the history of the town and its place in local, regional, and national history. Materials include printed and manuscript documents and records, paintings, photographs, maps, objects, artifacts and buildings associated with the history of Islesboro and its residents.The Society also seeks to preserve, promote and interpret and sustain the culture of Islesboro and its residents, by hosting, sponsoring, and supporting activities and events that celebrate and sustain that culture in all its various forms.

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$585,253$633,520▲ $48,267
Investments in Publicly Traded Securities$468,551$530,290▲ $61,739
Land, Buildings, and Equipment, Net$70,135$66,658▼ $3,477
Savings and Temporary Cash Investments$39,105$27,343▼ $11,762
Inventories for Sale or Use$7,724$9,536▲ $1,812
Cash and Non-Interest-Bearing Accounts-$0-
Accounts Receivable-$0-
Other Notes and Loans Receivable, Net-$0-
Pledges and Grants Receivable-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Intangible Assets-$0-
Prepaid Expenses and Deferred Charges-$0-
Total Assets$585,515$633,827▲ $48,312
Other Assets Total-$0-
Liabilities
Accounts Payable and Accrued Expenses$262$307▲ $45
Total Liabilities$262$307▲ $45
Net Assets / Fund Balance
Total Net Assets Fund Balance$585,253$633,520▲ $48,267
Total Liabilities and Net Assets / Fund Balance$585,515$633,827▲ $48,312

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$65,500$81,531$147,031
Equipment$1,158$22,442$23,600
Other Land Buildings-$5,732$5,732
Compensation and Service Providers

Board Members and Trustees

Revenue and Support

Revenue Composition

Contributions and Grants
$23,678
Program Service Revenue
$0
Investment Income
$71,829
Other Revenue
$6,779
All Other Contributions
$23,678
Change in Net Assets
$48,266
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$42,524
Salaries, Compensation, and Employee Benefits$10,496
Total Fundraising Expense$2,127
Grants and Similar Amounts Paid$1,000
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Occupancy$14,102$656$1,640$16,398
Fees for Service Investment Mgmnt Fees-$10,087-$10,087
Other Salaries and Wages$2,438$7,312-$9,750
Fees for Services Accounting-$4,715-$4,715
Advertising-$3,560-$3,560
Depreciation Depletion$2,817$174$487$3,478
Grants to Domestic Individuals$1,000--$1,000
Insurance-$765-$765
Payroll Taxes$187$559-$746
Other Expenses$1,628$334-$334
All Other Expenses-$134-$134
Office Expenses-$93-$93
Total Functional Expenses$22,172$29,721$2,127$54,020
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Gross Income$10,672
Fundraising Direct Expenses$3,096
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Receivables from Disqualified Persons-$0-
Receivables from Officers, Directors, Trustees, and Key Employees-$0-
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
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
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

Federal income tax returns are prepared by the Treasurer and brought to the Society's public accountant. Upon completion, the return is reviewed by the President and the Treasurer. Then made available to the Finance Committee and full Board for review at a summer board meeting. At the annual membership meeting, the returns are offered for review to anyone interested.

Form 990, Part VI, Section C, Line 19

Documents are made available upon request.

Filing and Contact Details

Filer

Filer Name
Islesboro Historical Society Inc
EIN
01-0316968
Phone
2077346733
Address
PO Box 301, Islesboro, ME 04848

Signing Officer

Name
Valerie Slater
Title
Treasurer
Signed
2025-11-17
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Edwin Pendleton
Formed
1964
Legal Domicile
Me
Voting Board Members
18
Independent Board Members
18
Employees
1
Volunteers
40

Preparer

Firm
MTA Accounting PA
Address
71 High St, Belfast, ME 04915
Preparer
Kali T McCarthy CPA
Phone
2073385012
Supplemental Narrative

Additional Explanations

Form 990, Part XI, Line 9

Rounding = $1

Financial Statement Notes

Part III, Line 1A: If organization elected under SFAS 116 to not report are, historical treasures, O

The collections of the Islesboro Historical Society include historical artifacts related to the history of the island of Islesboro and its people. These items include early household tools and implements (e.g. butter churns, hand cranked washing devices, etc.), historic tools (e.g. cobbler's bench and shoe repair implements, mason's tools), items related to commerce (e.g. original Pendleton Store displays, items from Williams Brothers store like a cheese box), photographs and histories of island businesses like livery stables, seafaring artifacts (e.g. handmade wooden lobster traps and buoys, hand carved boat models) and photographs pertaining to the sea (Penobscot Bay steamships, schooners), and transportation items like a phaeton carriage and racing bicycle, inventions like the island's original switchboard, early steam irons). The collection also includes numerous historical photographs of Islesboro's leading citizens of the day, as well as a collection of World War I posters and artwork by island related artists. The history of Islesboro is displayed via educational panels in the museum, incorporating photographs, art, maps and narratives. Items not currently on display are stored in the archives room, and new items are continually accessioned as donors present them. Our archives office is open for research by the public and knowledgeable volunteers assist this research. Islesboro Historical Society has also established an outreach with Islesboro Central School. Students have researched papers for school credit which were later presented at a meeting of the society. We sponsor an annual student art show as well. The Society's collections revolve around Islesboro history from the 1700s through the present time, and the activities with students foster the development of a keen interest in our history in the present generation of islanders. The Islesboro Historical Society is a volunteer organization that preserves our island's history one day at a time. Our events are open to the general public, typically at no charge.

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IRS990/Form990PartVIISectionAGrp/PersonNm15Ed Bacon
IRS990/Form990PartVIISectionAGrp/PersonNm16Linda Graf
IRS990/Form990PartVIISectionAGrp/PersonNm17Kathy DeGrasse
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IRS990/MissionDesc0To bring together people interested in the history of Islesboro, for the purpose of collecting, preserving, presenting and promoting materials related to the history of the town and its place in local, regional, and national history. Materials include printed and manuscript documents and records, paintings, photographs, maps, objects, artifacts and buildings associated with the history of Islesboro and its residents.The Society also seeks to preserve, promote and interpret and sustain the culture of Islesboro and its residents, by hosting, sponsoring, and supporting activities and events that celebrate and sustain that culture in all its various forms.
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IRS990/ProgSrvcAccomActy2Grp/Desc0Historical Society Meetings, Lectures, Museum Public Exhibitions, Publications, Genealogy and Collections: Public exhibitions and programs are carried out in the Historical Society building and in the museum. In 2024, there were three evening educational programs. One was a presentation by Michael Mann entitled, "The History of Climate Change the second was a presentation by Taury Smith entitled, "Islesboro Rocks" concerning the geology of Islesboro; the third was a program presented by Tilley Laskey entitled, "Rose Cleveland's 700-Acre Model Farm". There were also three outdoor walking tours which covered the history of different areas of the Island. There were art shows in July & August, which generated significant revenue, an outdoor arts and crafts show featuring Island artisans, and an "Evening with Island Elders" at which four Island seniors spoke about their experiences on the Island and answered questions. The Historical Society also held its annual talent show in 2024.Of course, the Historical Society also regularly maintains, runs and adds to the collection in its museum, and maintains an extensive genealogy database.The Historical Society also publishes and sells several books on the Island's history. Finally, an active program is conducted in the Society's Genealogy and Collections Department, and an active program is conducted to engage the students of the Islesboro Central School in learning the Island's history.
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IRS990/ProgSrvcAccomActy3Grp/Desc0Scholarship Program: The scholarship program established in 2013 by the Islesboro Historical Society, continues with the award presented annually to an Islesboro High School graduate(s) interested in pursuing education at a secondary school/college. The Student's performance in history courses is one of the factors considered by the scholarship committee. Names and addresses of the awardees may be obtained by contacting the Islesboro Historical Society. In 2024, $1,000 in scholarship funds were paid out.
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