The Sonntag Family Foundation | Foundation Profile

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

EIN: 26-2876575

Foundation Overview

Based in Phoenix, AZ, The Sonntag Family Foundation has awarded 79 grants totaling $875,408 to organizations in Arizona, Missouri and 3 other states across the US. Individual grants range from $1,000 to $265,220, with a median award of $2,500.

Latest Tax Year
2023
Total Giving (all years)
$875,408
Total Assets
$2,678,725
Median Grant (all grants)
$2,500

Latest Form 990-PF Snapshot

Total Grants
14
Median Grant
$2,500
% Median Grant Decline
-50% (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
Closed Network: N/A

0 of 14 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
Arizona

92% of all grants are concentrated in Arizona, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Arizona, funding concentrates in Phoenix (74%), Tempe (23%), Tucson (3%).

Funding Trajectory
-52%

Declining funding trend with 52% decrease over 7 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
General Purposes

Highly focused on general purposes 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 The Sonntag Family 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
Arcs Foundation Phoenix $13,500 Phoenix, AZ, US Charitable 2023
Asu Foundation $2,500 Tempe, AZ, US Charitable 2023
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2023
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2023
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2023
Rosies House $5,000 Phoenix, AZ, US Charitable 2023
Barrow Neurological Foundation $50,000 Phoenix, AZ, US Charitable 2023
Arcs Foundation Phoenix $13,500 Phoenix, AZ, US Charitable 2023
Asu Foundation $2,500 Tempe, AZ, US Charitable 2023
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2023
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2023
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2023
Rosies House $5,000 Phoenix, AZ, US Charitable 2023
Barrow Neurological Foundation $50,000 Phoenix, AZ, US Charitable 2023
Arcs Foundation Phoenix $8,500 Phoenix, AZ, US Charitable 2022
Asu Sun Devil Athletics $5,250 Tempe, AZ, US Charitable 2022
Asu Foundation $40,000 Tempe, AZ, US Charitable 2022
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2022
St Marys Food Bank $3,000 Phoenix, AZ, US Charitable 2022
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2022
Rosies House $5,000 Phoenix, AZ, US Charitable 2022
Arcs Foundation Phoenix $8,500 Phoenix, AZ, US Charitable 2022
Asu Sun Devil Athletics $5,250 Tempe, AZ, US Charitable 2022
Asu Foundation $40,000 Tempe, AZ, US Charitable 2022
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2022
St Marys Food Bank $3,000 Phoenix, AZ, US Charitable 2022
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2022
Rosies House $5,000 Phoenix, AZ, US Charitable 2022
Arcs Foundation Phoenix $8,500 Phoenix, AZ, US Charitable 2021
Asu Sun Devil Athletics $5,250 Tempe, AZ, US Charitable 2021
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2021
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2021
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2021
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2021
Rosies House $1,000 Phoenix, AZ, US Charitable 2021
Arcs Foundation Phoenix $8,500 Phoenix, AZ, US Charitable 2020
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2020
Season For Sharing $2,000 Phoenix, AZ, US Charitable 2020
St Marys Food Bank $4,000 Phoenix, AZ, US Charitable 2020
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2020
Barrow Neurological Foundation $10,000 Phoenix, AZ, US Charitable 2020
Washington University St Louis $1,000 St Louis, MO, US Charitable 2020
Arcs Foundation Phoenix $8,500 Phoenix, AZ, US Charitable 2019
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2019
Asu Sun Devil Club $7,500 Tempe, AZ, US Charitable 2019
Season For Sharing $1,000 Phoenix, AZ, US Charitable 2019
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2019
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2019
National Kidney Foundation $1,000 Phoenix, AZ, US Charitable 2019
Maricopa Health Services Burn Ctr $1,000 Phoenix, AZ, US Charitable 2019
Barrow Neurological Foundation $265,220 Phoenix, AZ, US Charitable 2019
Arcs Foundation Phoenix $9,500 Phoenix, AZ, US Charitable 2018
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2018
Asu Sun Devil Club $17,750 Tempe, AZ, US Charitable 2018
Laguna Niguel Military Support Fdtn $1,000 Laguna Niguel, CA, US Charitable 2018
Season For Sharing $1,000 Phoenix, AZ, US Charitable 2018
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2018
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2018
University Of Arizona Foundation $30,000 Tucson, AZ, US Charitable 2018
Arcs Foundation National $3,000 Lagrange, GA, US Charitable 2018
Arcs Foundation $8,500 Phoenix, AZ, US Charitable 2017
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2017
Asu Sun Devil Club $6,250 Tempe, AZ, US Charitable 2017
Laguna Niguel Military Support Fdtn $1,000 Laguna Niguel, CA, US Charitable 2017
Season For Sharing $1,000 Phoenix, AZ, US Charitable 2017
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2017
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2017
St Josephs Hospital & Medical Ctr $5,453 Phoenix, AZ, US Charitable 2017
Arcs Foundation $9,500 Phoenix, AZ, US Charitable 2016
Asu Fdtn - Women & Philanthropy $2,500 Tempe, AZ, US Charitable 2016
Asu Sun Devil Club $17,800 Tempe, AZ, US Charitable 2016
Barrow Neurological Fdtn Womens Bd $100,000 Phoenix, AZ, US Charitable 2016
Celebrity Fight Night $10,000 Phoenix, AZ, US Charitable 2016
Laguna Niguel Military Support Fdtn $2,000 Laguna Niguel, CA, US Charitable 2016
Neurosurgery Research & Edctn Fdtn $10,685 Rolling Meadows, IL, US Charitable 2016
Season For Sharing $1,000 Phoenix, AZ, US Charitable 2016
St Marys Food Bank $2,000 Phoenix, AZ, US Charitable 2016
Xavier College Preparatory $1,000 Phoenix, AZ, US Charitable 2016
University Of Arizona Fdtn $1,000 Tucson, AZ, US Charitable 2016

Foundations Similar to The Sonntag Family Foundation

Discover 5 foundations with comparable assets ($2,741,256-$2,862,250), similar grant patterns, and geographic focus in AZ 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: 26-2385302 | 188 grants awarded
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$5,000
median grant
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EIN: 84-3587601 | 92 grants awarded
$2,749,846
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Cave Creek, AZ
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99%
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EIN: 20-6784644 | 60 grants awarded
$2,774,706
(≈ Similar)
$2,500
median grant
Paradise Valley, AZ
Same state
98%
Excellent match

EIN: 74-2552121 | 191 grants awarded
$2,820,131
(≈ Similar)
$2,500
median grant
Wickenburg, AZ
Same state
97%
Excellent match

EIN: 84-2351834 | 102 grants awarded
$2,862,250
(≈ Similar)
$5,000
median grant
Scottsdale, AZ
Same state
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Excellent match

Contact Information

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

EIN 26-2876575
Website N/A
Address 5202 E EXETER BLVD Phoenix, AZ 85018-3011

Key People (2)

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

President Volker Sonntag
Sec/treas Lynne Sonntag

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 Sonntag Family 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.