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Falconwood Foundation Inc

New York, NY EIN 133456475 · IRS
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63
Integrity Assessment
Partial transparency
63/100 · methodology

About Falconwood Foundation Inc

Falconwood Foundation Inc is a nonprofit organization based in NEW YORK, United States. Annual revenue: $3.4 million. EIN: 133456475.

Headquarters
New York, NY
Foundation type
Private non-operating foundation
IRS subsection
501(c)(03)
Ruling date
Size
medium

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 1988

Focus areas & reach

· What they work on and where
🌿 Environment
Cause tags

How it stacks up against peers

· vs. 8 similar environment in United States
Integrity Assessment This charity: 63
Peer average: 89

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Common questions

· Auto-generated from filings + methodology

Falconwood Foundation Inc is a registered environment nonprofit based in New York, NY, United States. It is registered with the Internal Revenue Service (IRS). Its EIN is 133456475. It has a GiveRadar Integrity Assessment of 63/100 (Partial transparency), indicating some public data is available but key signals are missing. This is below the average of 89/100 for environment charities in United States. The organization reports $3M in annual revenue. No red flags have been detected.

Falconwood Foundation Inc has a GiveRadar Integrity Assessment of 63/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 63 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for environment charities in United States is 89/100.

Falconwood Foundation Inc is located in New York, NY, United States.

Based on official tax filings, Falconwood Foundation Inc has $3M in annual revenue. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Falconwood Foundation Inc is classified as a Environment organization, registered in United States. It operates as a Private non-operating foundation. By size, it is categorized as a medium organization. It has $3M in annual revenue. The organization has 3 disclosed officers and directors.

No red flags have been detected for Falconwood Foundation Inc. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Falconwood Foundation Inc has a GiveRadar Integrity Assessment of 63/100. We recommend reviewing the full profile before making a donation decision. The organization is overseen by the IRS. Visit the Falconwood Foundation Inc profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Falconwood Foundation Inc is a nonprofit organization based in NEW YORK, United States. Annual revenue: $3.4 million. EIN: 133456475. Falconwood Foundation Inc is classified as a environment organization registered in United States.

Among environment charities registered in United States: Falconwood Foundation Inc's GiveRadar Integrity Assessment of 63/100 is below the peer average of 89/100. Its annual revenue of $3M is comparable to the peer average of $2M.

Yes, donations to Falconwood Foundation Inc are generally tax-deductible in the United States. Falconwood Foundation Inc is a 501(c)(3) tax-exempt organization. Its EIN is 133456475, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 4 official sources, last refreshed .

Annual revenue
$1M-$10M
Source: IRS 990 (FY2024) why this matters
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Filing history

5 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

DR
Dr Stanley A Lefkowitz
Vice President

Officers & trustees (2)

Source: Public filings

DR
Dr S•••••• A L••••••••
Vice President
RE
Rep R••
Rep
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$3.4M revenue
FY2024
IRS_990
Form filed
$0.3M revenue
FY2023
IRS_990
Form filed
$8.0M revenue
FY2022
IRS_990
Form filed
$1.1M revenue
FY2021
IRS_990
Form filed
$6.4M revenue
FY2020
IRS_990

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Peer charities

Other environment in United States, by integrity assessment

Charity Score Revenue Program %
Falconwood Foundation Inc This page 63 $3.4 million -
Friends of Casco Bay 89 $1.3 million -
Drive Clean Colorado 89 $1.3 million -
Chesapeake Climate Action Network 89 $4.0 million -
Jackson Hole Land Trust 89 $7.9 million -
Citizens for Pennsylvanias Future 89 $3.2 million -
Huron River Watershed Council 89 $5.1 million -
Climate Action Reserve 89 $5.8 million -
Alaska Conservation Foundation 89 $8.0 million -

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 3 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
65%

What we don't know

Honest gaps - our score reflects transparency, not impact

Mission statement
No self-published statement of purpose
Official website
No verified website on record
Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified
Founding date
Year the organisation was founded not on file

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Falconwood Foundation Inc

What is Falconwood Foundation Inc?
Falconwood Foundation Inc is a environment private non-operating foundation based in New York, United States. Falconwood Foundation Inc is a nonprofit organization based in NEW YORK, United States. Annual revenue: $3.4 million. EIN: 133456475.
Who leads Falconwood Foundation Inc?
Dr Stanley A Lefkowitz serves as Vice President.
Where is Falconwood Foundation Inc located?
Headquartered in New York, United States.
What is Falconwood Foundation Inc's annual budget?
Annual revenue for fiscal year 2024 is approximately $1M-$10M.
Is Falconwood Foundation Inc trustworthy?
Falconwood Foundation Inc has a GiveRadar Integrity Assessment of 63 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Falconwood Foundation Inc's registration number?
IRS EIN: 133456475.