Case & Elfreda Zandbergen Charitable | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Case & Elfreda Zandbergen Charitable. Data shown is extracted from Form 990-PF filings.

EIN: 73-6300138

Foundation Overview

Based in Tulsa, OK, Case & Elfreda Zandbergen Charitable has awarded 67 grants totaling $667,500 to organizations in Oklahoma, District of Columbia and 1 other state across the US. Individual grants range from $2,500 to $27,000, with a median award of $8,750.

Latest Tax Year
2023
Total Giving (all years)
$667,500
Total Assets
$2,325,422
Median Grant (all grants)
$8,750

Latest Form 990-PF Snapshot

Total Grants
12
Median Grant
$8,000
% Median Grant Decline
-9% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

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

New Applicant Friendliness
Relationship-Focused: 25%

3 of 12 recipients (25%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.

Geographic Focus
Oklahoma

91% of all grants are concentrated in Oklahoma, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Oklahoma, funding concentrates in Tulsa (69%), Ketchum (10%), Vinita (10%).

Funding Trajectory
-16%

Declining funding trend with 16% decrease over 3 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Community Projects

Highly focused on community projects with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Case & Elfreda Zandbergen Charitable'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
South Grand Lake $5,000 Ketchum, OK, US Support 2023
American Red Cross $13,500 Washington, DC, US Support 2023
Tulsa Boys Home $9,000 Tulsa, OK, US Support 2023
The Salvation Army $20,000 Tulsa, OK, US Support 2023
Family And Children's Services Inc $7,000 Tulsa, OK, US Support 2023
A New Leaf Inc $9,000 Owasso, OK, US Support 2023
Meals On Wheels Of Metro Tulsa $9,000 Tulsa, OK, US Support 2023
Community Food Bank Of Eastern Oklahoma $6,000 Tulsa, OK, US Support 2023
Vinita Senior Citizens Center $2,500 Vinita, OK, US Support 2023
Humane Society Of Grove And Gr Lake $12,000 Grove, OK, US Support 2023
Boston Avenue Helping Hands Inc $4,500 Tulsa, OK, US Support 2023
Clarehouse Inc $4,500 Tulsa, OK, US Support 2023
South Grand Lake $14,000 Ketchum, OK, US Support 2022
American Red Cross $14,000 Washington, DC, US Support 2022
Tulsa Boys Home $8,750 Tulsa, OK, US Support 2022
The Salvation Army $20,000 Tulsa, OK, US Support 2022
Gail Lapidus $7,000 Tulsa, OK, US Support 2022
A New Leaf Inc $8,750 Broken Arrow, OK, US Support 2022
Meals On Wheels Of Metro Tulsa $15,000 Tulsa, OK, US Support 2022
Community Food Bank Of Eastern Ok $6,000 Tulsa, OK, US Support 2022
Vinita Senior Citizens Center $2,500 Vinita, OK, US Support 2022
Boston Avenue Helping Hands Inc $5,000 Tulsa, OK, US Support 2022
Clarehouse Inc $5,000 Tulsa, OK, US Support 2022
South Grand Lake $14,000 Ketchum, OK, US Support 2022
American Red Cross $14,000 Washington, DC, US Support 2022
Tulsa Boys Home $8,750 Tulsa, OK, US Support 2022
The Salvation Army $20,000 Tulsa, OK, US Support 2022
Gail Lapidus $7,000 Tulsa, OK, US Support 2022
A New Leaf Inc $8,750 Broken Arrow, OK, US Support 2022
Meals On Wheels Of Metro Tulsa $15,000 Tulsa, OK, US Support 2022
Community Food Bank Of Eastern Ok $6,000 Tulsa, OK, US Support 2022
Vinita Senior Citizens Center $2,500 Vinita, OK, US Support 2022
Boston Avenue Helping Hands Inc $5,000 Tulsa, OK, US Support 2022
Clarehouse Inc $5,000 Tulsa, OK, US Support 2022
South Grand Lake $14,000 Ketchum, OK, US Support 2022
American Red Cross $14,000 Washington, DC, US Support 2022
Tulsa Boys Home $8,750 Tulsa, OK, US Support 2022
The Salvation Army $20,000 Tulsa, OK, US Support 2022
Gail Lapidus $7,000 Tulsa, OK, US Support 2022
A New Leaf Inc $8,750 Broken Arrow, OK, US Support 2022
Meals On Wheels Of Metro Tulsa $15,000 Tulsa, OK, US Support 2022
Community Food Bank Of Eastern Ok $6,000 Tulsa, OK, US Support 2022
Vinita Senior Citizens Center $2,500 Vinita, OK, US Support 2022
Boston Avenue Helping Hands Inc $5,000 Tulsa, OK, US Support 2022
Clarehouse Inc $5,000 Tulsa, OK, US Support 2022
South Grand Lake $4,000 Ketchum, OK, US Support 2021
American Red Cross $16,000 Washington, DC, US Support 2021
Tulsa Boys Home $11,500 Tulsa, OK, US Support 2021
The Salvation Army $27,000 Tulsa, OK, US Support 2021
Gail Lapidus $9,000 Tulsa, OK, US Support 2021
A New Leaf Inc $13,000 Broken Arrow, OK, US Support 2021
Meals On Wheels Of Metro Tulsa $15,500 Tulsa, OK, US Support 2021
Community Food Bank Of Eastern Ok $8,000 Tulsa, OK, US Support 2021
Vinita Senior Citizens Center $3,000 Vinita, OK, US Support 2021
Boston Avenue Helping Hands Inc $11,000 Tulsa, OK, US Support 2021
Clarehouse Inc $8,000 Tulsa, OK, US Support 2021
South Grand Lake $4,000 Ketchum, OK, US Provide Support 2020
American Red Cross $15,000 Boone, IA, US Provide Support 2020
The Salvation Army $27,000 Tulsa, OK, US Provide Support 2020
Tulsa Boys Home $11,000 Tulsa, OK, US Provide Support 2020
Gail Lapidus $9,000 Tulsa, OK, US Provide Support 2020
A New Leaf Inc $8,000 Broken Arrow, OK, US Provide Support 2020
Terrie Winship $15,000 Tulsa, OK, US Provide Support 2020
Community Food Bank Of Eastern Oklah $8,000 Tulsa, OK, US Provide Support 2020
Vinita Senior Citizens Center $3,000 Vinita, OK, US Provide Support 2020
Boston Avenue Helping Hands Inc $13,500 Tulsa, OK, US Provide Support 2020
Clarehouse Inc $8,000 Tulsa, OK, US Provide Support 2020

Foundations Similar to Case & Elfreda Zandbergen Charitable

Discover 5 foundations with comparable assets ($2,277,100-$2,410,334), similar grant patterns, and geographic focus in OK 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: 73-1056929 | 8 grants awarded
$2,319,946
(≈ Similar)
$6,250
median grant
Enid, OK
Same state
100%
Excellent match

EIN: 20-8524786 | 179 grants awarded
$2,356,803
(≈ Similar)
$5,000
median grant
Oklahoma City, OK
Same state
99%
Excellent match

EIN: 83-3123777 | 51 grants awarded
$2,277,100
(≈ Similar)
$10,000
median grant
Oklahoma City, OK
Same state
99%
Excellent match

EIN: 26-1652893 | 60 grants awarded
$2,407,208
(≈ Similar)
$15,000
median grant
Sapulpa, OK
Same state
98%
Excellent match

EIN: 87-3402126 | 39 grants awarded
$2,410,334
(≈ Similar)
$5,000
median grant
Tulsa, OK
Same state
98%
Excellent match

Contact Information

Official contact details for Case & Elfreda Zandbergen Charitable as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 73-6300138
Website N/A
Address PO BOX 1620 Tulsa, OK 74101-1620

Key People (1)

Board members, trustees, and key staff who oversee Case & Elfreda Zandbergen Charitable's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee

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 Case & Elfreda Zandbergen Charitable 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.