Holbrook Island Sanctuary
Holbrook Island Sanctuary reports minimal financial activity and no assets or liabilities in its latest filing.
EIN: 16011445 · Brooksville, ME · NTEE: C27 · Updated: 2026-03-28
| Metric | Value |
|---|---|
| Total Expenses | $13K |
| Program Spending | 90% |
| Transparency Score | 75/100 |
Search Intent Cockpit
Holbrook Island Sanctuary Form 990, Revenue, CEO Pay, and IRS Filing Signals
Holbrook Island Sanctuary is surfaced here as a decision-ready nonprofit financial profile, not just a charity listing. The page consolidates IRS Form 990 revenue, expenses, assets, tax-exempt classification, executive compensation, mission score, red flags, and year-by-year filing history so donors, researchers, journalists, and grant teams can answer the common search questions around Holbrook Island Sanctuary in one place.
Form 990 Filing Summary
1 filing year are available, with latest revenue of $23K and expenses of $13K.
Revenue and Expenses
Holbrook Island Sanctuary reported $23K in revenue and $13K in expenses, a surplus of $10K.
Executive Compensation
Officer, director, trustee, and key employee pay is reviewed from IRS 990 compensation disclosures when present.
Charity Score and Red Flags
75/100 mission score, 1 red flag, and 3 strengths are shown from structured and AI review.
Is Holbrook Island Sanctuary Legit?
Some Concerns
Assessment based on IRS 990 filings, spending patterns, and AI analysis. Not a guarantee of legitimacy. Full charity check →
IRS 990 Data Cockpit
Where the Money Comes From and Where It Goes
Revenue Source Mix
Revenue-source line items are not available on the stored filing yet. Future ingestion now preserves contribution, program-revenue, and investment-income fields when ProPublica provides them.
Expense Deployment
| Program services | $12K (90%) |
Across stored filings, Holbrook Island Sanctuary shows contribution history pending. Next enrichment targets: revenue-source fields, IRS BMF classification.
Decision Cockpit
One-Stop Donor, Research, and Peer Context Hub
| Decision Lens | Signal | What to Inspect Next |
|---|---|---|
| Legitimacy | Some Concerns | Limited filing record; 1 red flag identified |
| Mission spend | 90% to programs | Excellent |
| Financial durability | Grade A | 1 stored filing year |
| Peer context | Compare with Maine Composite Materials Applied Technology Development Center | Maine and Environment context |
Trust Check
Review legitimacy, deductibility, red flags, and filing consistency.
Open charity check →Peer Benchmark
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Local and Sector Spokes
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Brooksville, ME nonprofitsEnvironment in Maine
Environment in Maine
Follow the Money
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Donation Decision Flow
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Verify
Some Concerns. Check deductibility, filings, and red flags.
2Understand money
90% of spending goes to programs.
3Compare
Benchmark against Maine Composite Materials Applied Technology Development Center.
4Decide
Build a shortlist, compare alternatives, and review the latest filing before giving.
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Keep the Investigation Moving
Holbrook Island Sanctuary directs 90% of its spending to programs. This exceeds the industry benchmark of 65%, indicating strong mission focus.
About Holbrook Island Sanctuary
Holbrook Island Sanctuary (EIN: 16011445) is a nonprofit organization based in Brooksville, ME, classified under NTEE code C27. The organization reported total revenue of $0 and total assets of $0 according to its most recent IRS 990 filing. This transparency report provides an AI-powered analysis of Holbrook Island Sanctuary's financial health, spending patterns, executive compensation, and overall mission effectiveness based on publicly available IRS data.
Organization Overview
Holbrook Island Sanctuary is a micro nonprofit that has been operating for 62 years.
Key Financial Metrics (2016)
From the most recent IRS 990 filing on record:
| Total Revenue | $23K |
| Total Expenses | $13K |
| Surplus / Deficit | +$10K |
| Total Assets | $0 |
| Net Assets | $0 |
| Operating Margin | 42.0% |
| Months of Reserves | 0.0 months |
Financial Health Grade: A
In 2016, Holbrook Island Sanctuary reported a surplus of $10K with revenue exceeding expenses, holds 0.0 months of operating reserves (limited).
IRS Tax-Exempt Classification
| IRS Classification Codes | 1000 |
| IRS Ruling Date | 1964 |
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 Holbrook Island Sanctuary with a Mission Score of 75 out of 100 (Good). 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, Holbrook Island Sanctuary 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 (2016)
From the most recent IRS 990 filing on record:
- The organization reported a surplus of $10K, with revenue exceeding expenses.
Executive Compensation Analysis
The organization reported 0% officer compensation, indicating a volunteer-led structure and efficient use of funds by not allocating any revenue to executive salaries.
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 Holbrook Island Sanctuary's IRS 990 filings:
- No reported assets or liabilities, which is unusual for a non-profit and limits financial stability assessment.
Strengths
The following positive indicators were identified for Holbrook Island Sanctuary:
- 100% volunteer executive leadership (0% officer compensation).
- High percentage of expenses dedicated to program services (90% based on estimated breakdown).
- Operates with a surplus in the reported period ($22,635 revenue vs. $13,122 expenses).
Frequently Asked Questions about Holbrook Island Sanctuary
Is Holbrook Island Sanctuary a legitimate charity?
Holbrook Island Sanctuary (EIN: 16011445) is a registered tax-exempt nonprofit based in Maine. Our AI analysis gives it a Mission Score of 75/100. 1 red flag identified. 3 strengths noted. Financial health grade: A.
How does Holbrook Island Sanctuary spend its money?
Holbrook Island Sanctuary directs 90% of its spending to programs and services. This exceeds the 65% industry benchmark.
Are donations to Holbrook Island Sanctuary tax-deductible?
Holbrook Island Sanctuary is registered as a tax-exempt nonprofit (EIN: 16011445). Donations to most 501(c)(3) organizations are tax-deductible. Consult a tax professional for your specific situation.
How does Holbrook Island Sanctuary compare to similar nonprofits?
With a transparency score of 75/100 (Good), Holbrook Island Sanctuary is above average for NTEE category C27 nonprofits. The score reflects financial transparency, program spending efficiency, and governance quality based on IRS 990 data.
Where is Holbrook Island Sanctuary located?
Holbrook Island Sanctuary is headquartered in Brooksville, Maine and files with the IRS under EIN 16011445. It is classified under NTEE code C27.
Is Holbrook Island Sanctuary a good charity?
Based on the available data, Holbrook Island Sanctuary appears to be a very lean, volunteer-run organization with efficient program spending. Its small scale and lack of reported assets or liabilities suggest it operates with minimal overhead. The absence of officer compensation is a positive indicator of resource allocation.
Why does Holbrook Island Sanctuary report $0 in assets?
Reporting $0 in assets is unusual for a non-profit. It could indicate that the organization does not own any significant property or financial investments, or that any assets are held by a related entity not reflected on this specific 990-EZ filing. For an organization with $22,635 in revenue, having no assets suggests a very 'pass-through' financial model.
What is the primary use of funds for Holbrook Island Sanctuary?
With $13,122 in total expenses and a high program spending ratio, the primary use of funds is likely directly related to the operations and maintenance of the Holbrook Island Sanctuary, consistent with its NTEE code C27 (Parks and Nature Centers).
Filing History
IRS 990 filing history for Holbrook Island Sanctuary showing financial trends over 1 year of public records:
In its most recent filing year (2016), Holbrook Island Sanctuary reported a surplus of $10K, with revenue exceeding expenses.
| Year | Revenue | Expenses | Assets | Liabilities | Officer Comp. % | |
|---|---|---|---|---|---|---|
| 2016 | $23K | $13K | $0 | $0 | — | View 990 |
View Individual Filing Years
Explore detailed financial data from each IRS 990 filing year for Holbrook Island Sanctuary:
Data Sources and Methodology
This transparency report for Holbrook Island Sanctuary 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.