Mary M Diggs Foundation

Private foundation · Grantmaker San Antonio, TX EIN: 20-6830012

Mary M Diggs Foundation is a private foundation, based in San Antonio, TX. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.3M in total assets. In 2025, it awarded 2 grants totaling $86K. Net investment income was $203K.

Key facts about Mary M Diggs Foundation

In short: Mary M Diggs Foundation gave $86K across 2 grants in 2025 (avg $43K), mostly in Texas. Source: 2025 IRS Form 990-PF.

EIN
20-6830012
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$86,320
Grants made (2025)
2
Average grant
$43,160
Median grant
$43,160
Total assets
$1,280,620
Primary geography
Texas (100% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$1.3M

+11.4% YoY

Annual Giving

$86K

+28.9% YoY

Grant Count

2

-33.3% YoY

Avg Grant Size

$43K

+93.4% YoY

Under IRS private-foundation payout rules, Mary M Diggs Foundation reported a distributable amount of $75K for 2025 — the minimum it must pay out in qualifying distributions.

How Mary M Diggs Foundation gives

  • Giving held roughly steady from 2022 to 2025 (+10%). Method
  • In 2025 it paid out 122% of its IRS minimum distribution (the 5% rule). Method

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

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

States

Cities

HoustonKendaliaSan Antonio

Giving Over Time

Total grant dollars and number of grants per year

$0$25K$50K$75K$100K3 grants2020 3 grants2021 3 grants2022 3 grants2023 3 grants2024 2 grants2025

From 2020 to 2025, annual grant giving ranged from $66K (2020) to $86K (2025). In 2025 it made 2 grants totaling $86K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Wildlife Rescue and Rehabilitation Inc: $43KWildlife Rescue andRehabilitation Inc$43KSpay-Neuter Assistance Program: $43KSpay-Neuter Assistance Program$43K

The largest 2025 recipient was Wildlife Rescue and Rehabilitation Inc ($43K). Together the top 2 received $86K.

Grant Size Distribution

14 grants across all recorded years

14<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 14 grants of 14 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Wildlife Rescue and Rehabilitation Inc Kendalia, TXProgram Support Services$43,160
Spay-Neuter Assistance Program Houston, TXProgram Support Services$43,160

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$1,280,620$1,149,773$1,120,068
Revenue$223,954$125,075$84,192
Expenses$113,864$97,195$97,088
Qualifying Distributions$91,752$75,735$77,561
Net Investment Income$203,142$105,249$64,504
Distributable Amount$75,191$72,414$68,740

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 18, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS September 29, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS December 24, 2025)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS November 17, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)

Leadership & Key People

Officers and directors from IRS filings

Mary M Diggs Foundation's only listed officer is Broadway National Bank, Trustee on every filing since 2020 (compensated).

Officers on the 2025 filing

  • Broadway National Bank

    Trustee

    On filings since 2020

    5 hrs/week

    $18K (2020) → $21K (2025)

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Broadway National Bank — Trustee: $21KBroadway National BankTrustee$21K

The highest reported compensation on the 2025 filing was $21K, to Broadway National Bank (Trustee).

Frequently asked questions about Mary M Diggs Foundation

How much does Mary M Diggs Foundation give each year?

Mary M Diggs Foundation gave $86K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $67K across 3 grants.

How large is Mary M Diggs Foundation?

Mary M Diggs Foundation reported $1.3M in total assets on its 2025 IRS Form 990-PF. It paid out $92K in qualifying distributions that year, against a required minimum of $75K (roughly 5% of its investment assets).

Where does Mary M Diggs Foundation operate?

Mary M Diggs Foundation has awarded grants in Texas.

What is Mary M Diggs Foundation's EIN?

Mary M Diggs Foundation's EIN (Employer Identification Number) is 20-6830012. IRS Form 990 filing data is available on this page for 2020–2025.

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

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