Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 1999.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
0 cents of each dollar spent went to programs.
Form 990 Part IX, line 25. Every line is in By the numbers.
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Who runs it and what they're paid
13 people listed on the 990.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Operates a historic home and gardens as an interactive technology center showcasing an aviator's inventions.
Questions for Curtiss Mansion INC
Your first name shows with your question. Curtiss Mansion INC answers here, for everyone.
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Maintenance and restoration of Historic Curtiss Mansion and surrounding grounds and display to the public. Over 15,000 citizens of Miami Springs have benefited from this as well as other residents of Miami Dade County.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $193K | $81K |
| Land, buildings, equipmentLn 10c | $4K | $126K |
| Total assetsLn 16 | $196K | $207K |
| LiabilitiesLn 26 | $38K | $25K |
| Net assetsLn 32 | $158K | $182K |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $0 | |||
| Grants to domestic individualsLn 2 | $0 | |||
| Grants and assistance to foreign recipientsLn 3 | $0 | |||
| Benefits paid to or for membersLn 4 | $0 | |||
| Pay of current officers, directors and key staffLn 5 | $17K | |||
| Pay of disqualified personsLn 6 | $0 | |||
| Other salaries and wagesLn 7 | $0 | |||
| Pension plan contributionsLn 8 | $0 | |||
| Other employee benefitsLn 9 | $0 | |||
| Payroll taxesLn 10 | $5K | |||
| Management feesLn 11a | $0 | |||
| Legal feesLn 11b | $0 | |||
| Accounting feesLn 11c | $0 | |||
| Lobbying feesLn 11d | $0 | |||
| Investment management feesLn 11f | $0 | |||
| Other fees for servicesLn 11g | $0 | |||
| Advertising and promotionLn 12 | $8K | |||
| Office expensesLn 13 | $1K | |||
| Information technologyLn 14 | $7K | |||
| RoyaltiesLn 15 | $0 | |||
| OccupancyLn 16 | $2K | |||
| TravelLn 17 | $450 | |||
| Travel and entertainment for public officialsLn 18 | $0 | |||
| Conferences, conventions and meetingsLn 19 | $220 | |||
| InterestLn 20 | $0 | |||
| Payments to affiliatesLn 21 | $0 | |||
| Depreciation, depletion and amortizationLn 22 | $130 | $130 | ||
| InsuranceLn 23 | $10K | |||
| Other expenses (24a–d)Ln 24 | $4K | |||
| All other expensesLn 24e | $10K | |||
| Total functional expensesLn 25 | $65K | $130 | $0 | $0 |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest Viewing | $89K | $65K | $24K | $182K | 990 PDF |
| FY2024 | $13K | $113K | −$99K | $158K | 990 PDF |
| FY2023 | $124K | $105K | $19K | $257K | 990 PDF |
| FY2022 | $165K | $99K | $66K | $239K | 990 PDF |
| FY2021 | $234K | $106K | $128K | $173K | 990 PDF |
| FY2020 | $120K | $106K | $14K | $45K | 990 PDF |
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Schedules filed Part IV
See the full FY2025 990 (6 parts)
Part I · Summary $88,873 revenue, 12 lines filed
Part VI · Governance 11 of 11 board members independent, 3 to look at
Part VIII · Statement of revenue $88,873 across 8 lines filed
Part IX · Statement of functional expenses $64,918 across 30 lines filed
Part X · Balance sheet $206,984 assets, 9 lines filed
Part XI · Reconciliation of net assets $181,943 net assets at year end
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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