Mackworth-mendoza Foundation

KEY BISCAYNE, FL EIN: 93-1296528

Mackworth-mendoza Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in KEY BISCAYNE, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.3M in total assets. In 2024, it awarded 8 grants totaling $113K. Net investment income was $53K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.3M

-4.3% YoY

Annual Giving

$113K

+8.4% YoY

Grant Count

8

-20.0% YoY

Avg Grant Size

$14K

+35.5% YoY

Under IRS private-foundation payout rules, Mackworth-mendoza Foundation reported a distributable amount of $66K for 2024 — the minimum it must pay out in qualifying distributions.

About Mackworth-mendoza Foundation

Based on IRS filings

Mackworth-mendoza Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in KEY BISCAYNE, FL. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.3M in total assets. In 2024, it awarded 8 grants totaling $113K. Net investment income was $53K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Cities

ArlingtonAshlandGainesvilleLake OswegoPembroke ParkPortlandStanford

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$198K$396K$594K$791K20202021202220232024
Metric202420232022
Total Assets$1,333,117$1,393,682$1,347,652
Revenue$56,629$57,967$580,255
Expenses$119,370$106,917$560,006
Qualifying Distributions$114,750$104,250$556,815
Net Investment Income$52,807$55,740$29,716
Distributable Amount$66,413$65,010$66,851

Giving Over Time

Total grant dollars and number of grants per year

$0$139K$278K$417K$556K10 grants20207 grants20218 grants202210 grants20238 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2024

LITERARY ARTS$50KOREGON CHILDREN'S THEATER$35KTHE INTERNATIONAL SCHOOL$13KFEEDING SOUTH FLORIDA$5KOREGON FOOD BANK$5KSTANFORD UNIVERSITY$3KAMERICAN DIABETES ASSOC$3KUNIVERSITY OF FLORIDA FO…$500

Grant Size Distribution

43 grants across all recorded years

41<$50K1$50–100K$100–250K$250–500K1$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Literary Arts ($50,000), Oregon Children's Theater ($35,000), The International School ($12,500).

RecipientPurposeAmount
STANFORD UNIVERSITY STANFORD, CAPROGRAM ACTIVITIES$2,500
AMERICAN DIABETES ASSOC ARLINGTON, VAPROGRAM ACTIVITIES$2,500
FEEDING SOUTH FLORIDA PEMBROKE PARK, FLPROGRAM SCTIVITIES$5,000
OREGON FOOD BANK PORTLAND, ORPROGRAM ACTIVITIES$5,000
LITERARY ARTS PORTLAND, ORPROGRAM ACTIVITIES$50,000
OREGON CHILDREN'S THEATER PORTLAND, ORPROGRAM ACTIVITIES$35,000
UNIVERSITY OF FLORIDA FOUNDATION GAINESVILLE, FLPROGRAM ACTIVITIES$500
THE INTERNATIONAL SCHOOL PORTLAND, ORPROGRAM ACTIVITIES$12,500

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
HUGH F MACKWORTHPRESIDENT1
JOSIE G MENDOZASECRETARY1
ALEXANDER MACKWORTHMEMBER

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Mackworth-mendoza Foundation?

Mackworth-mendoza Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in KEY BISCAYNE, FL. It holds $1.3M in total assets as of 2024.

How large is Mackworth-mendoza Foundation?

As of 2024, Mackworth-mendoza Foundation holds $1.3M in total assets with $57K in annual revenue. It awarded 8 grants totaling $113K in 2024.

Where does Mackworth-mendoza Foundation operate?

Mackworth-mendoza Foundation has awarded grants in California, Florida, Oregon, Virginia.

What size grants does Mackworth-mendoza Foundation award?

In 2024, Mackworth-mendoza Foundation awarded 8 grants totaling $113K — an average of about $14K per grant, based on its IRS Form 990 filings.

How much is Mackworth-mendoza Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Mackworth-mendoza Foundation reported a distributable amount of $66K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Mackworth-mendoza Foundation's EIN?

Mackworth-mendoza Foundation's EIN (Employer Identification Number) is 93-1296528. IRS Form 990 filing data is available on this page for 2020–2024.

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

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