Gammon House Inc
Nonprofit profile at a glance
- EIN
- 471214309
- IRS 990-EZ coverage
- 2021–2025
- Forms available
- Form 990-EZ 2025, Form 990-N 2020
- Location
- Springfield, OH, USA
- Phone
- 9374716837
- Rating
- 97
- Verdict
- STRONG
- Rating confidence
- Moderate
- Sector
- Historical Societies, Related Historical Activities
Reported finances
- Revenue
- $71,205
- Expenses
- $31,372
- Assets
- $217,470
- Liabilities
- $0
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
10 people listed
People named in this filing
- DORRIS DANIEL (TREASURER)
- DOROTHY BOOKER (TRUSTEE)
- JOHN BAILEY (TRUSTEE)
Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
Underground railroad awareness
What it reported doing in 2025
Increase community awareness of the underground railroad, upkeep of home that was part of the ug and annual celebration of juneteenth.
Operating model
- Revenue model
- Donor-supported. 99% of the money available for current operations came from contributions and gifts.
- Distribution model
- Cannot be determined from the filing. The filing does not provide enough consistent spending detail to tell whether the nonprofit works directly or through others.
The verdict
STRONG - A large share of available resources goes toward mission work and the filed numbers largely add up. Some filed totals do not add up and revenue has declined or grown slowly.
Rating breakdown
- Financial Efficiency: 100
- Transparency & Controls: 100
- Sustainability: 84
- Growth: 60
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 100%; rating input score 100
- Program expense ratio: 100%; rating input score 100
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
- Major donor itemization: Yes; rating input score 100
Sustainability
- Operating margin: 55.9%; rating input score 92; 92nd percentile among comparable filings
- Total-asset coverage ratio: 6.93; rating input score 88; 88th percentile among comparable filings
- Liabilities to assets ratio: 0; rating input score 66; 66th percentile among comparable filings
- Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings
Growth
- Program expense growth: 16.4% per year; rating input score 100; 78th percentile among comparable filings
- Revenue growth: -5.4% per year; rating input score 0; 33rd percentile among comparable filings
- Asset growth: 3% per year; rating input score 100; 49th percentile among comparable filings
Details
- Where the money goes: 100% of revenue deployed · 100% of spending went to programs
- Governance: Filed governance answers
- Accomplishments: 1 filed program accomplishment · $88K in reported program spending
- Leadership: top reported pay $0 · 10 people listed
- Consistency: 6 of 7 current checks pass · 1 finding to review
- Schedules: 4 filed schedules
- Filing history: 5 filing years from 2021 to 2025
- Contacts: How to reach this organization
- Money network: Resolved incoming and outgoing counterparties from filed money flows.
- Related organizations: Filed and resolved organization relationships.
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- Moderate — Transparency & Controls: Part III program expenses within total did not reconcile in the filed values.
- High — Growth: Revenue growth scored 0/100.
- Review — Sustainability: Officer compensation ratio scored 56/100.