Islesboro Historical Society
Islesboro Historical Society maintains strong asset growth and zero officer compensation.
EIN: 10316968 · Islesboro, ME · Updated: 2026-03-28
| Metric | Value |
|---|---|
| Total Revenue | $108K |
| Total Expenses | $51K |
| Program Spending | 90% |
| Net Assets | $585K |
| Transparency Score | 85/100 |
Is Islesboro Historical Society Legit?
Some Concerns
Assessment based on IRS 990 filings, spending patterns, and AI analysis. Not a guarantee of legitimacy. Full charity check →
Islesboro Historical Society directs 90% of its spending to programs. This exceeds the industry benchmark of 65%, indicating strong mission focus.
About Islesboro Historical Society
Islesboro Historical Society (EIN: 10316968) is a nonprofit organization based in Islesboro, ME. The organization reported total revenue of $108K and total assets of $634K according to its most recent IRS 990 filing. This transparency report provides an AI-powered analysis of Islesboro Historical Society's financial health, spending patterns, executive compensation, and overall mission effectiveness based on publicly available IRS data.
Organization Overview
Islesboro Historical Society is a small nonprofit that has been operating for 54 years, with 13 years of IRS 990 filings on record (2011–2023). Revenue has grown at a compound annual rate of 6.6%.
Key Financial Metrics (2023)
From the most recent IRS 990 filing on record:
| Total Revenue | $83K |
| Total Expenses | $51K |
| Surplus / Deficit | +$32K |
| Total Assets | $586K |
| Total Liabilities | $262 |
| Net Assets | $585K |
| Operating Margin | 38.8% |
| Debt-to-Asset Ratio | 0.0% |
| Months of Reserves | 138.8 months |
Financial Health Grade: A
In 2023, Islesboro Historical Society reported a surplus of $32K with revenue exceeding expenses, holds 138.8 months of operating reserves (strong position), has a debt-to-asset ratio of 0.0% (very low leverage).
Financial Trends
Over 13 years of filings (2011–2023), Islesboro Historical Society's revenue has grown at a compound annual growth rate (CAGR) of 6.6%.
| Year | Revenue Change | Expense Change | Asset Change |
|---|---|---|---|
| 2023 | +49.0% | +5.5% | +5.0% |
| 2022 | -14.8% | +11.2% | +2.1% |
| 2021 | +50.8% | -8.6% | +3.9% |
| 2020 | +16.1% | +7.4% | -0.5% |
| 2019 | -69.8% | -0.7% | -1.3% |
IRS Tax-Exempt Classification
| IRS Classification Codes | 2000 |
| IRS Ruling Date | 1972 |
Classification data from ProPublica Nonprofit Explorer. Additional BMF data may be available after enrichment.
AI Transparency Report
Mission Effectiveness Score
NonprofitSpending's AI analysis rates Islesboro Historical Society with a Mission Score of 85 out of 100 (Excellent). This score reflects the organization's overall financial transparency, program spending efficiency, and governance indicators derived from IRS 990 public filings.
Spending Breakdown
- admin: 10%
- programs: 90%
- fundraising: 0%
According to IRS 990 filings, Islesboro Historical Society allocates its expenses as follows: admin: 10%, programs: 90%, fundraising: 0%. With 90% directed toward programs, this reflects a strong commitment to its charitable mission.
Key Financial Metrics (2023)
From the most recent IRS 990 filing on record:
- The organization reported a surplus of $32K, with revenue exceeding expenses.
- Debt-to-asset ratio: 0.0%.
Executive Compensation Analysis
Executive compensation is consistently reported as 0% across all available filings, indicating that no officers receive salaries, which is highly commendable for an organization of its size.
Executive compensation data is sourced from IRS 990 filings, which require nonprofits to disclose the compensation of officers, directors, trustees, and key employees. NonprofitSpending analyzes this data relative to the organization's total revenue and sector benchmarks to assess whether executive pay is reasonable.
Red Flags
The following concerns were identified during AI analysis of Islesboro Historical Society's IRS 990 filings:
- Significant year-to-year revenue volatility, which could impact long-term planning if not managed with reserves.
Strengths
The following positive indicators were identified for Islesboro Historical Society:
- Consistent asset growth, increasing from $451,961 in 2014 to $585,515 in 2023.
- Zero officer compensation reported across all filings, indicating high efficiency in directing funds to mission.
- Low liabilities reported in most years, suggesting responsible financial management.
- Consistent filing of IRS Form 990s, demonstrating transparency and compliance.
Frequently Asked Questions about Islesboro Historical Society
Is Islesboro Historical Society a legitimate charity?
Based on AI analysis of IRS 990 filings, Islesboro Historical Society (EIN: 10316968) some concerns. Mission Score: 85/100. 1 red flag identified, 4 strengths noted.
How does Islesboro Historical Society spend its money?
Islesboro Historical Society directs 90% of its spending to programs and services. The remaining budget covers administration and fundraising costs.
Are donations to Islesboro Historical Society tax-deductible?
Islesboro Historical Society is registered as a tax-exempt nonprofit (EIN: 10316968). Donations to most 501(c)(3) organizations are tax-deductible. Consult a tax professional for your specific situation.
Where is Islesboro Historical Society located?
Islesboro Historical Society is headquartered in Islesboro, Maine and files with the IRS under EIN 10316968.
How many years of IRS 990 filings does Islesboro Historical Society have?
Islesboro Historical Society has 13 years of IRS 990 filings on record at NonprofitSpending. This extensive filing history provides a strong basis for evaluating long-term financial trends. The most recent filing shows $108K in total revenue.
Is Islesboro Historical Society a good charity?
Based on the provided financial data, the Islesboro Historical Society appears to be a well-managed organization with strong financial health, consistent asset growth, and a notable commitment to directing resources to its mission by not paying officer compensation. This suggests it is a good charity in terms of financial stewardship.
How has the organization's financial stability changed over time?
The organization's financial stability has improved significantly, with assets growing from $451,961 in 2014 to $585,515 in 2023, demonstrating consistent growth and prudent financial management over the decade.
What is the trend in revenue and expenses?
Revenue has fluctuated significantly, with peaks like $227,140 in 2014 and $122,938 in 2018, and lower periods such as $37,188 in 2019. Expenses have been more stable, generally ranging between $30,000 and $50,000 annually, indicating controlled operational costs despite revenue variability.
Filing History
IRS 990 filing history for Islesboro Historical Society showing financial trends over 13 years of public records:
Over 13 years of IRS 990 filings (2011–2023), Islesboro Historical Society's revenue has grown by 115.6%, moving from $38K to $83K. Total assets increased by 158.9% over the same period, from $226K to $586K. Total functional expenses rose by 42.4%, from $36K to $51K. In its most recent filing year (2023), Islesboro Historical Society reported a surplus of $32K, with revenue exceeding expenses. The organization holds $262 in liabilities against $586K in assets (debt-to-asset ratio: 0.0%), resulting in net assets of $585K.
| Year | Revenue | Expenses | Assets | Liabilities | Officer Comp. % | |
|---|---|---|---|---|---|---|
| 2023 | $83K | $51K | $586K | $262 | — | — |
| 2022 | $55K | $48K | $558K | $4K | — | View 990 |
| 2021 | $65K | $43K | $546K | $290 | — | View 990 |
| 2020 | $43K | $47K | $525K | $2K | — | — |
| 2019 | $37K | $44K | $528K | $290 | — | View 990 |
| 2018 | $123K | $44K | $535K | $345 | — | View 990 |
| 2017 | $32K | $33K | $456K | $454 | — | View 990 |
| 2016 | $45K | $41K | $456K | $132 | — | View 990 |
| 2015 | $45K | $44K | $453K | $103 | — | View 990 |
| 2014 | $227K | $29K | $452K | $73 | — | View 990 |
| 2013 | $36K | $24K | $253K | $84 | — | View 990 |
| 2012 | $40K | $25K | $241K | $53 | — | View 990 |
| 2011 | $38K | $36K | $226K | $271 | — | View 990 |
Year-by-Year Financial Summary
- 2023: Revenue of $83K, expenses of $51K, and assets of $586K (revenue +49.0% year-over-year).
- 2022: Revenue of $55K, expenses of $48K, and assets of $558K (revenue -14.8% year-over-year).
- 2021: Revenue of $65K, expenses of $43K, and assets of $546K (revenue +50.8% year-over-year).
- 2020: Revenue of $43K, expenses of $47K, and assets of $525K (revenue +16.1% year-over-year).
- 2019: Revenue of $37K, expenses of $44K, and assets of $528K (revenue -69.8% year-over-year).
- 2018: Revenue of $123K, expenses of $44K, and assets of $535K (revenue +279.3% year-over-year).
- 2017: Revenue of $32K, expenses of $33K, and assets of $456K (revenue -27.2% year-over-year).
- 2016: Revenue of $45K, expenses of $41K, and assets of $456K (revenue -1.3% year-over-year).
- 2015: Revenue of $45K, expenses of $44K, and assets of $453K (revenue -80.1% year-over-year).
- 2014: Revenue of $227K, expenses of $29K, and assets of $452K (revenue +528.4% year-over-year).
- 2013: Revenue of $36K, expenses of $24K, and assets of $253K (revenue -9.7% year-over-year).
- 2012: Revenue of $40K, expenses of $25K, and assets of $241K (revenue +4.4% year-over-year).
- 2011: Revenue of $38K, expenses of $36K, and assets of $226K.
View Individual Filing Years
Explore detailed financial data from each IRS 990 filing year for Islesboro Historical Society:
Data Sources and Methodology
This transparency report for Islesboro Historical Society is generated by NonprofitSpending's AI analysis engine. The data is sourced from publicly available IRS 990 filings accessed through the ProPublica Nonprofit Explorer API and IRS electronic filing records. The Mission Score, spending breakdown, and other analytical insights are produced by artificial intelligence and should be used as one of multiple factors when evaluating a nonprofit organization.
IRS 990 forms are annual information returns that most tax-exempt organizations must file with the IRS. These forms provide detailed financial information including revenue, expenses, assets, liabilities, and compensation of officers. NonprofitSpending processes this data to provide accessible transparency reports for donors, researchers, and the general public.
Disclaimer
AI-generated analysis based on IRS public records. Not financial or legal advice. Verify information directly with the organization.