Mayfield Foundation Inc is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HOUSTON, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.0M in total assets. In 2024, it awarded 14 grants totaling $209K. Net investment income was $205K.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$2.0M
+0.6% YoY
Annual Giving
$209K
+90.0% YoY
Grant Count
14
+27.3% YoY
Avg Grant Size
$15K
+49.3% YoY
Under IRS private-foundation payout rules, Mayfield Foundation Inc reported a distributable amount of $105K for 2024 — the minimum it must pay out in qualifying distributions.
About Mayfield Foundation Inc
Based on IRS filings
Mayfield Foundation Inc is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HOUSTON, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $2.0M in total assets. In 2024, it awarded 14 grants totaling $209K. Net investment income was $205K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,982,081 | $1,970,398 | $2,181,271 |
| Revenue | $249,033 | $-59,244 | $-92,138 |
| Expenses | $245,514 | $142,726 | $155,146 |
| Qualifying Distributions | $211,976 | $110,000 | $155,146 |
| Net Investment Income | $205,475 | $30,633 | $12,577 |
| Distributable Amount | $104,838 | $110,059 | $88,202 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
55 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include St Martin's ($100,000), Ut Health ($32,000), Church of the Holy Cross ($13,000).
| Recipient | Purpose | Amount |
|---|---|---|
| CAMP ALLEN NAVASOTA, TX | GENERAL SUPPORT | $5,000 |
| CHURCH OF THE HOLY CROSS HOUSTON, TX | GENERAL SUPPORT | $13,000 |
| FLATHEAD LAKERS POLSON, MT | GENERAL SUPPORT | $5,000 |
| GREATER POLSON COMMUNITY FOUNDATION POLSON, MT | GENERAL SUPPORT | $7,500 |
| OVERLAKE SCHOOL POLSON, MT | GENERAL SUPPORT | $12,000 |
| ST MARTIN'S HOUSTON, TX | GENERAL SUPPORT | $100,000 |
| THE KINKAID SCHOOL HOUSTON, TX | GENERAL SUPPORT | $10,000 |
| THE WESTVIW SCHOOL HOUSTON, TX | GENERAL SUPPORT | $5,000 |
| UT HEALTH AUSTIN, TX | GENERAL SUPPORT | $32,000 |
| THE SILVERADO FOUNDATION IRVINE, CA | GENERAL SUPPORT | $5,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| WALTER G MAYFIELD | PRESIDENT | 0.1 | — |
| JACK H MAYFIELD III | EXECUTIVE VP | 0.1 | — |
| LYDIA MAYFIELD ABBOTT | TREASURER | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Mayfield Foundation Inc?
Mayfield Foundation Inc is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in HOUSTON, TX. It holds $2.0M in total assets as of 2024.
How large is Mayfield Foundation Inc?
As of 2024, Mayfield Foundation Inc holds $2.0M in total assets with $249K in annual revenue. It awarded 14 grants totaling $209K in 2024.
Where does Mayfield Foundation Inc operate?
Mayfield Foundation Inc has awarded grants in California, District of Columbia, Montana, Texas, Washington.
What size grants does Mayfield Foundation Inc award?
In 2024, Mayfield Foundation Inc awarded 14 grants totaling $209K — an average of about $15K per grant, based on its IRS Form 990 filings.
How much is Mayfield Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Mayfield Foundation Inc reported a distributable amount of $105K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Mayfield Foundation Inc's EIN?
Mayfield Foundation Inc's EIN (Employer Identification Number) is 76-0495695. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Mayfield Foundation Inc's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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