Mahaffey Family Foundation

Foundation · Grantmaker St Petersburg, FL EIN: 59-7261732

Mahaffey Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in St Petersburg, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $546K in total assets. In 2024, it awarded 6 grants totaling $80K. Net investment income was $58K.

Key facts about Mahaffey Family Foundation

EIN: 59-7261732
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $80,000
Grants made (2024): 6
Average grant: $13,333
Median grant: $12,500
Total assets: $546,276
Primary geography: Florida (81% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Mahaffey Family Foundation funds

By grant dollars, the top recipient states for Mahaffey Family Foundation's 6 itemized 2024 grants were Florida (81%) and Indiana (19%). The most frequent recipient cities were St Petersburg, FL (3 grants). 67% of grants with a stated purpose were for general or operating support.

How Mahaffey Family Foundation gives

Giving fell 24% from 2021 to 2024. Method
In 2024 it paid out 232% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Next steps with Mahaffey Family Foundation

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Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$546K

-4.1% YoY

Annual Giving

$80K

+0.0% YoY

Grant Count

-14.3% YoY

Avg Grant Size

$13K

+16.7% YoY

Under IRS private-foundation payout rules, Mahaffey Family Foundation reported a distributable amount of $35K for 2024 — the minimum it must pay out in qualifying distributions.

About Mahaffey Family Foundation

Based on IRS filings

Focus Areas

Philanthropy, Voluntarism & Grantmaking

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

Florida $65K (81%)

Indiana $15K (19%)

Share of all 6 itemized 2024 grant dollars.

States

Florida Indiana

Cities

St PetersburgTampaSt Mary Of The WoodsClearwaterLargoTierra VerdeFt MyersPinellas ParkSaint Maryofthewood

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$546,276	$569,854	$626,843
Revenue	$62,306	$27,420	$42,535
Expenses	$85,884	$84,536	$94,743
Qualifying Distributions	$80,800	$80,000	$90,000
Net Investment Income	$58,422	$27,420	$42,535
Distributable Amount	$34,791	$37,357	$38,265

Data update history

When this profile's IRS filing data changed on Grantable

March 1, 2026 IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2024

Grant Size Distribution

45 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Community Foundation Tampa Bay ($20,000), Lutheran Church of the Cross Day School ($20,000), Sisters of Providence ($15,000).

Recipient	Purpose	Amount
Community Foundation Tampa Bay Tampa, FL	General operating support	$20,000
Lutheran Church of the Cross Day School St Petersburg, FL	General operating support	$20,000
Sisters of Providence Saint MaryoftheWood, IN	Support of the grotto refurbishing project	$15,000
Clothes to Kids Clearwater, FL	General operating support	$10,000
St Petersburg Free Clinic St Petersburg, FL	General operating support	$7,500
St Thomas Episcopal Church St Petersburg, FL	Support of relief efforts following hurricanes Helene and Milton	$7,500

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

Name	Title	Hours	Compensation
Mark T Mahaffey	CEO	0.5	—
Hancock Whitney Bank	Trustee	4	$3,056

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What is Mahaffey Family Foundation?

Mahaffey Family Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in St Petersburg, FL. It holds $546K in total assets as of 2024.

How large is Mahaffey Family Foundation?

As of 2024, Mahaffey Family Foundation holds $546K in total assets with $62K in annual revenue. It awarded 6 grants totaling $80K in 2024.

Where does Mahaffey Family Foundation operate?

Mahaffey Family Foundation has awarded grants in Florida, Indiana.

What size grants does Mahaffey Family Foundation award?

In 2024, Mahaffey Family Foundation awarded 6 grants totaling $80K — an average of about $13K per grant, based on its IRS Form 990 filings.

How much is Mahaffey Family Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mahaffey Family Foundation reported a distributable amount of $35K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.