The Rosenthal-spillar Charitable Foundation | Foundation Profile

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

EIN: 84-4525674

Foundation Overview

Based in Wilmington, DE, The Rosenthal-spillar Charitable Foundation has awarded 21 grants totaling $264,378 to organizations in California and Illinois. Individual grants range from $150 to $50,000, with a median award of $5,000.

Latest Tax Year
2024
Total Giving (all years)
$264,378
Total Assets
$129,958
Median Grant (all grants)
$5,000

Latest Form 990-PF Snapshot

Total Grants
6
Median Grant
$5,000
% Median Grant Decline
-67% (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
Growth-Minded: 67%

4 of 6 recipients (67%) were new grantees. Foundation actively seeks new partnerships to expand impact. Fresh approaches and innovative programs receive serious consideration.

Geographic Focus
California

90% of all grants are concentrated in California, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within California, funding concentrates in Los Angeles (74%), Beverly Hills (11%), El Segundo (11%).

Funding Trajectory
+31%

Moderate 31% growth trend over 3 years suggests stable and gradually increasing funding capacity. This positive trajectory indicates reliable grant-making resources and sustainable philanthropic commitment.

Program Areas
General Purposes + Community Projects

Dual focus on general purposes (57%) and community projects, indicating strategic concentration in complementary program areas.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Rosenthal-spillar Charitable 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
American Youth Symphony Inc $250 El Segundo, CA, US General & Unrestricted 2024
C A R Housing Affordability Fund $5,000 Los Angeles, CA, US General & Unrestricted 2024
Realtors Relief Foundation $10,000 Chicago, IL, US General & Unrestricted 2024
American Youth Symphony Inc $250 El Segundo, CA, US General & Unrestricted 2024
C A R Housing Affordability Fund $5,000 Los Angeles, CA, US General & Unrestricted 2024
Realtors Relief Foundation $10,000 Chicago, IL, US General & Unrestricted 2024
C A R Housing Affordability Fund $5,000 Los Angeles, CA, US General & Unrestricted 2023
Feminist Majority Foundation $25,000 Beverly Hills, CA, US General & Unrestricted 2023
C A R Housing Affordability Fund $5,000 Los Angeles, CA, US General & Unrestricted 2023
Feminist Majority Foundation $25,000 Beverly Hills, CA, US General & Unrestricted 2023
Beverly Hills Greater Los Angeles Assoc Of Realtor $5,000 Los Angeles, CA, US Car Housing Affordability Fund 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $50,000 Los Angeles, CA, US Funds For Greater Los Angeles Board Of Realtors And To The Honolulu Board Of Realtors For The Rosenthal Family Foundation Achievement Award Program 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $25,000 Los Angeles, CA, US The Rosenthal Dispute Resolution Center 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $1,100 Los Angeles, CA, US General & Unrestricted (See General Explanation) 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $5,000 Los Angeles, CA, US Car Housing Affordability Fund 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $50,000 Los Angeles, CA, US Funds For Greater Los Angeles Board Of Realtors And To The Honolulu Board Of Realtors For The Rosenthal Family Foundation Achievement Award Program 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $25,000 Los Angeles, CA, US The Rosenthal Dispute Resolution Center 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $1,100 Los Angeles, CA, US General & Unrestricted (See General Explanation) 2022
Beverly Hills Greater Los Angeles Assoc Of Realtor $6,528 Los Angeles, CA, US General & Unrestricted (see General Explanation Attachment) 2021
Beverly Hills Greater Los Angeles Assoc Of Realtor $5,000 Los Angeles, CA, US Housing Affordability Fund 2021
Boston Buddies Inc $150 Huntingtn Bch, CA, US General & Unrestricted 2021

Foundations Similar to The Rosenthal-spillar Charitable Foundation

Discover 5 foundations with comparable assets ($125,582-$136,039), 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: 47-2400904 | 43 grants awarded
$131,298
(≈ Similar)
$5,000
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 82-2627736 | 89 grants awarded
$126,528
(≈ Similar)
$5,000
median grant
Wilmington, DE
Same state
99%
Excellent match

EIN: 13-3097034 | 10 grants awarded
$134,025
(≈ Similar)
$5,472.5
median grant
Lewes, DE
Same state
98%
Excellent match

EIN: 46-5492310 | 1 grants awarded
$125,582
(≈ Similar)
$10,000
median grant
Wilmington, DE
Same state
98%
Excellent match

EIN: 81-4670654 | 41 grants awarded
$136,039
(≈ Similar)
$10,000
median grant
Wilmington, DE
Same state
98%
Excellent match

Contact Information

Official contact details for The Rosenthal-spillar Charitable Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 84-4525674
Website N/A
Address FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington, DE 19809-0000

Key People (2)

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

Dir, Pres, Treas Richard J Rosenthal
Dir, Sec, Vp Katherine Spillar

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 The Rosenthal-spillar Charitable 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.