Green Building United
Funding Overview
From IRS Form 990 filings · 2020–2025
Total received
$1.7M
Foundation funders
16
Grants recorded
26
Years covered
2020–2025
Who funds Green Building United?
Green Building United is funded by 16 grantmakers, led by The William Penn Foundation ($826K), United States Energy Foundation ($230K), The Daniel B and ($150K). In total, IRS Form 990 filings record $1.7M in grants to Green Building United between 2020–2025.
| Funder | Total given | Grants | Years |
|---|---|---|---|
| The William Penn Foundation | $825,746 | 4 | 2023–2024 |
| United States Energy Foundation | $230,000 | 3 | 2020–2022 |
| The Daniel B and | $150,000 | 2 | 2024–2025 |
| The New York Community Trust | $120,000 | 2 | 2023–2024 |
| Natural Resources Defense Council Inc | $115,000 | 1 | 2023 |
| National Fish and Wildlife Foundation | $93,959 | 2 | 2024–2025 |
| New Venture Fund | $75,000 | 1 | 2024 |
| The Reinvestment Fund Inc | $25,000 | 1 | 2024 |
| Sierra Club | $21,000 | 1 | 2022 |
| Clean Energy Group Inc | $20,000 | 1 | 2025 |
| Bread and Roses Community Fund | $10,000 | 1 | 2021 |
| Vanguard Charitable Endowment Program | $7,500 | 1 | 2023 |
| Delaware Nature Society Inc | $7,500 | 1 | 2023 |
| Hankin Foundation | $2,200 | 2 | 2025 |
| Douglas O & Gail S Tozour Foundation | $1,250 | 2 | 2020–2021 |
| Kimley-Horn Foundation | $900 | 1 | 2023 |
Funding over time
Grant dollars and counts received per year
From 2020 to 2025, annual grant giving ranged from $31K (2020) to $839K (2024). In 2025 it made 5 grants totaling $145K.
What grants has Green Building United received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | The Daniel B and | GENERAL FUND | $100,000 |
| 2025 | National Fish and Wildlife Foundation | URBAN FLOOD RESISTANCE IN WILMINGTON NEIGHBORHOODS | $22,806 |
| 2025 | Clean Energy Group Inc | Build capacity for Clean Energy Incentive Navigators | $20,000 |
| 2025 | Hankin Foundation | GENERAL SUPPORT | $2,000 |
| 2025 | Hankin Foundation | GENERAL SUPPORT | $200 |
| 2024 | The William Penn Foundation | HERE 4 CLIMATE JUSTICE | $400,000 |
| 2024 | The William Penn Foundation | CLIMATE AND SUSTAINABILITY TA PROGRAM FOR WPF GRANTEES | $157,873 |
| 2024 | New Venture Fund | ENVIRONMENTAL PROGRAMS | $75,000 |
| 2024 | National Fish and Wildlife Foundation | URBAN FLOOD RESISTANCE IN WILMINGTON NEIGHBORHOODS | $71,153 |
| 2024 | The New York Community Trust | FOR PROGRAM SUPPORT. | $60,000 |
| 2024 | The Daniel B and | GENERAL FUND | $50,000 |
| 2024 | The Reinvestment Fund Inc | ENERGY CONSERVATION AND ENERGY EFFICIENCY; RENEWABLE ENERGY; AND OTHER ADVANCED CLEAN ENERGY TECHNOLOGIES. | $25,000 |
| 2023 | The William Penn Foundation | CLIMATE AND SUSTAINABILITY TA PROGRAM FOR WPF GRANTEES | $157,873 |
| 2023 | Natural Resources Defense Council Inc | ENV. ADVOCACY | $115,000 |
| 2023 | The William Penn Foundation | PLANNING FOR REGIONWIDE TA TO UNLOCK STATE, LOCAL, FEDERAL CLIMATE FUNDING | $110,000 |
| 2023 | The New York Community Trust | FOR PROGRAM SUPPORT. | $60,000 |
| 2023 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $7,500 |
| 2023 | Delaware Nature Society Inc | SUPPORT ENVIRONMENTAL AND OPEN SPACE PROJECTS AND COMMUNITY RESILIENCY EFFORTS ACROSS DELAWARE AND MARYLAND | $7,500 |
| 2023 | Kimley-Horn Foundation | GENERAL SUPPORT | $900 |
| 2022 | United States Energy Foundation | TO PROMOTE EDUCATION AND ANALYSIS TO ADVANCE CLEAN ENERGY AND ENERGY EFFICIENCY. | $100,000 |
| 2022 | Sierra Club | ENVIRONMENTAL SUPPORT | $21,000 |
| 2021 | United States Energy Foundation | TO PROMOTE EDUCATION AND ANALYSIS TO ADVANCE CLEAN ENERGY AND ENERGY EFFICIENCY. | $100,000 |
| 2021 | Bread and Roses Community Fund | FINANCIAL ASSISTANCE | $10,000 |
| 2021 | Douglas O & Gail S Tozour Foundation | TO SUPPORT HIGHER EDUCATION | $750 |
| 2020 | United States Energy Foundation | TO SUPPORT EDUCATION AND OUTREACH TO BUILD A CLEAN ENERGY FUTURE. | $30,000 |
| 2020 | Douglas O & Gail S Tozour Foundation | TO SUPPORT HIGHER EDUCATION | $500 |
Frequently Asked Questions
Who funds Green Building United?
Green Building United is funded by 16 grantmakers, led by The William Penn Foundation ($826K), United States Energy Foundation ($230K), The Daniel B and ($150K). In total, IRS Form 990 filings record $1.7M in grants to Green Building United between 2020–2025.
Who is Green Building United's largest funder?
The William Penn Foundation is the largest recorded funder of Green Building United, with $826K across 4 grants (2023–2024).
How much grant funding has Green Building United received?
IRS 990 filings record $1.7M in grants to Green Building United across 26 grants from 16 funders between 2020–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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