The Bill and Diane Hammack Foundation

Private foundation · Grantmaker Acworth, GA EIN: 82-2406793

The Bill and Diane Hammack Foundation is a private foundation, based in Acworth, GA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $658K in total assets. Net investment income was $306K.

The Bill and Diane Hammack Foundation at a glance

Total assets
$658,482
+11.6% vs 2023
Revenue (2024)
$73,153
+263.0% vs 2023
Net investment income (2024)
$305,935
-30.0% vs 2023
Expenses (2024)
$4,751
-99.1% vs 2023
Latest 990 filing
Form 990-PF, 2024 View filing

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

Who The Bill and Diane Hammack Foundation funds

How this funder distributes its grants

Grant Size Distribution

5 grants across all recorded years

4<$50K$50–100K$100–250K$250–500K1$500K–1M$1–5M$5M+

The most common grant size was under $50K: 4 grants of 5 (80%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

States

Cities

MariettaAtlanta

How The Bill and Diane Hammack Foundation gives

  • Giving grew 10000% from 2020 to 2023. Method
  • In 2023 it paid out well above its IRS minimum distribution (the 5% rule). Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K1 grant2020 1 grant2021 1 grant2022 2 grants2023 0 grants2024

From 2020 to 2023, annual grant giving ranged from $5K (2020) to $505K (2023). In 2023 it made 2 grants totaling $505K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Oglethorpe University Atlanta, GAPromote a new generation of business leaders through skills learned while attending oglethorpe university$500,000
Humane Society of Cobb County Marietta, GASupport Life Saving Programs for Animals$5,000
Your AI grants department

Ready to take the next step with The Bill and Diane Hammack Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$658,482$73,153$4,751———$305,935$29,777
2023$590,080$20,152$515,951$505,0002$505,000$436,937$35,926
2022$1,085,879$1,002,992$8,907$5,0001$5,000—$34,625
2021$91,794$3,956$10,330$5,0001$5,000—$5,677
2020$98,168$22,378$5,589$5,0001—$1,789$4,151

Under IRS private-foundation payout rules, The Bill and Diane Hammack Foundation reported a distributable amount of $30K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Bill and Diane Hammack Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Paula D. Hammack

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Q. William Hammack Jr.

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Bill and Diane Hammack Foundation

How large is The Bill and Diane Hammack Foundation?

The Bill and Diane Hammack Foundation reported $658K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $73K.

Where does The Bill and Diane Hammack Foundation operate?

The Bill and Diane Hammack Foundation has awarded grants in Georgia.

How much is The Bill and Diane Hammack Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Bill and Diane Hammack Foundation reported a distributable amount of $30K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Bill and Diane Hammack Foundation's EIN?

The Bill and Diane Hammack Foundation's EIN (Employer Identification Number) is 82-2406793. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in The Bill and Diane Hammack Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in Georgia

Sergeant Philip German Memorial Fdn CTW

Buffalo, NY

The Sergeant Philip German Memorial Foundation funds scholarships, with 2024 grants ranging from $2,119 to $9,150 and a median of $2,550. Recipients were mainly in Pennsylvania, with others in several states, including South Carolina, Maryland, Arizona, and North Carolina. It accepts written requests to Diane Rimer on an ongoing basis and does not restrict giving to preselected organizations.

Assets

$1.4M

Grants

23

Total Given

$68K

Lettie Pate Whitehead Foundation Inc

Atlanta, GA

The foundation funds need-based undergraduate scholarships for female Christian students through participating institutions in Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and Virginia, and supports care for senior women at facilities in Georgia, North Carolina, and Virginia. In 2024, grants ranged from $72,500 to $2,939,000, with a median of $254,000. It does not fund individuals, and institutions not already supported are rarely added; current grantees apply through the foundation’s grant process.

Philanthropy, Voluntarism & Grantmaking

Assets

$990.9M

Grants

208

Total Given

$63.3M

The Winestock Foundation Inc

Jacksonville, FL

The Winestock Foundation funds charitable organizations for education, training, program and project support, and general support, with 2025 grants ranging from $250 to $13,500 and a median of $2,000. Its 2025 grants primarily supported organizations in Georgia, followed by South Carolina, Texas, Washington, DC, and Illinois. It gives only to preselected organizations and does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$18K

Grants

17

Total Given

$45K

Jonathan F Reichert Foundationinc

Buffalo, NY

The Jonathan F. Reichert Foundation supports advanced experimental physics education at colleges and universities, especially laboratory equipment purchases and undergraduate projects developing experiments, across the United States. Its 2024 grants ranged from $2,183 to $18,000 (median $5,585); its project grants are capped at $3,000 and equipment grants at $8,000. It states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests.

Assets

$2.8M

Grants

13

Total Given

$84K

Vera Grace Greenlaw Trust

Portland, ME

Assets

$579K

Grants

9

Total Given

$33K

Council of Independent Colleges

Washington, DC

The Council of Independent Colleges funds nonprofit independent colleges, universities, state-based higher-education councils, and related programs, including NetVUE projects for students and professional development for faculty and staff. Recent grants ranged from $6,500 to $172,504, with a median of $26,354; funding went to recipients across multiple states. NetVUE has published grant opportunities and deadlines, but the available information does not say whether CIC accepts unsolicited requests.

Assets

$89.0M

Grants

176

Total Given

$5.9M

More similar funders

More Funders in Georgia

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Bill and Diane Hammack Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

The Bill and Diane Hammack Foundation down — hundreds of funders to go?

Want AI to do this for you?