Halff Windham Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Halff Windham Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 83-2365293

Foundation Overview

Based in Wilmington, DE, Halff Windham Foundation has awarded 38 grants totaling $1,098,500 to organizations in Oregon, Connecticut and 4 other states across the US. Individual grants range from $1,000 to $100,000, with a median award of $10,000.

Latest Tax Year
2024
Total Giving (all years)
$1,098,500
Total Assets
$3,957,985
Median Grant (all grants)
$10,000

Latest Form 990-PF Snapshot

Total Grants
8
Median Grant
$100,000
% Median Grant Growth
+900% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: March 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: N/A

0 of 8 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
California

Grants are geographically diversified with 37% in California and funding distributed across 6 total locations. This foundation values broad geographic impact and diverse community partnerships. Within California, funding concentrates in San Francisco (93%), San Luis Obispo (7%).

Funding Trajectory
+549%

Strong 549% growth in annual giving over 5 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes + 2 others

Diversified giving across multiple program areas with primary emphasis on general purposes (55%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Halff Windham Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Central Connecticut Coast Young Mens Christian Ass $5,000 New Haven, CT, US General & Unrestricted 2024
Earlham College $100,000 Richmond, IN, US Good Campaign: The Clarence Cunningham Student Emergency Fund 2024
Metropolitan Opera Association Inc $100,000 New York, NY, US To Support The New Production: "Ainadamar" 2024
Metropolitan Opera Association Inc $100,000 New York, NY, US The Transforming The Met Campaign / Access Opera: Guild Open Rehearsals For Students 2024
Central Connecticut Coast Young Mens Christian Ass $5,000 New Haven, CT, US General & Unrestricted 2024
Earlham College $100,000 Richmond, IN, US Good Campaign: The Clarence Cunningham Student Emergency Fund 2024
Metropolitan Opera Association Inc $100,000 New York, NY, US To Support The New Production: "Ainadamar" 2024
Metropolitan Opera Association Inc $100,000 New York, NY, US The Transforming The Met Campaign / Access Opera: Guild Open Rehearsals For Students 2024
Central Connecticut Coast Young Mens Christian Ass $5,000 New Haven, CT, US General & Unrestricted 2023
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2023
Metropolitan Opera Association Inc $100,000 New York, NY, US Access Opera 2023
Central Connecticut Coast Young Mens Christian Ass $5,000 New Haven, CT, US General & Unrestricted 2023
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2023
Metropolitan Opera Association Inc $100,000 New York, NY, US Access Opera 2023
American Civil Liberties Union Foundation Inc $1,000 Beaverton, OR, US General & Unrestricted 2022
Central Connecticut Coast Young Mens Christian Ass $5,000 New Haven, CT, US General & Unrestricted 2022
Earlham College $50,000 Richmond, IN, US The Clarence Cunningham Student Emergency Fund 2022
Earlham College $55,000 Richmond, IN, US Bayard Rustin Award 2022
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2022
American Civil Liberties Union Foundation Inc $1,000 New York, NY, US General & Unrestricted 2021
Central Connecticut Coast Young Mens Christian Ass $10,000 New Haven, CT, US General & Unrestricted 2021
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US General & Unrestricted 2021
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2021
Planned Parenthood Federation Of America Inc $1,000 New York, NY, US General & Unrestricted 2021
Tenderloin Neighborhood Development Corporation $10,000 San Francisco, CA, US General & Unrestricted 2021
American Civil Liberties Union Foundation Inc $1,000 New York, NY, US General & Unrestricted 2020
Center For Urban Education About Sustainable Agric $10,000 San Francisco, CA, US Sf New Deal Program 2020
Central Connecticut Coast Young Mens Christian Ass $7,500 New Haven, CT, US Safety Around Water Program 2020
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US General & Unrestricted 2020
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2020
Tenderloin Neighborhood Development Corporation $10,000 San Francisco, CA, US General & Unrestricted 2020
American Civil Liberties Union Foundation Inc $1,000 New York, NY, US General & Unrestricted 2019
Hero Construction Company $10,000 Brighton, MI, US Hero School Program 2019
Lifewater Inc $5,000 San Luis Obispo, CA, US General & Unrestricted 2019
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US General & Unrestricted 2019
Meals On Wheels Of San Francisco Inc $10,000 San Francisco, CA, US Capital Campaign 2019
Planned Parenthood Federation Of America Inc $1,000 New York, NY, US General & Unrestricted 2019
Tenderloin Neighborhood Development Corporation $10,000 San Francisco, CA, US General & Unrestricted 2019

Foundations Similar to Halff Windham Foundation

Discover 5 foundations with comparable assets ($3,951,994-$4,008,122), similar grant patterns, and geographic focus in DE that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 20-8762540 | 107 grants awarded
$3,958,958
(≈ Similar)
$10,000
median grant
Wilmington, DE
Same state
100%
Excellent match

EIN: 45-3526974 | 262 grants awarded
$3,951,994
(≈ Similar)
$5,000
median grant
Wilmington, DE
Same state
100%
Excellent match

EIN: 27-3900189 | 137 grants awarded
$3,999,293
(≈ Similar)
$5,000
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 45-2671163 | 75 grants awarded
$4,000,344
(≈ Similar)
$12,970
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 46-0742207 | 437 grants awarded
$4,008,122
(≈ Similar)
$7,000
median grant
Wilmington, DE
Same state
99%
Excellent match

Contact Information

Official contact details for Halff Windham Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 83-2365293
Website N/A
Address FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington, DE 19809-0000

Key People (2)

Board members, trustees, and key staff who oversee Halff Windham Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Dir, Pres, Treas Lawrence Halff
Sec Charles R Windham

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Halff Windham Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated March 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.