Leonard L and Bertha U Abess Foundation

Private foundation · Grantmaker Miami, FL EIN: 65-0151462

Leonard L and Bertha U Abess Foundation is a private foundation, based in Miami, FL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $4.9M in total assets. In 2025, it awarded 3 grants totaling $342K. Net investment income was $531K.

Leonard L and Bertha U Abess Foundation at a glance

In short: Leonard L and Bertha U Abess Foundation gave $342K across 3 grants in 2025 (avg $114K), mostly in Florida. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$342,000
+16.9% vs 2024
Grants made (2025)
3
-25.0% vs 2024
Average grant
$114,000
+55.9% vs 2024
Median grant
$10,000
Total assets
$4,897,839
+3.6% vs 2024
Primary geography
Florida (97% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who Leonard L and Bertha U Abess Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Mount Sinai Medical Center Foundation: $322KMount Sinai Medical CenterFoundation$322KVizcaya: $10KVizcaya$10KWorld Wildlife Federation: $10KWorld Wildlife Federation$10K

The largest 2025 recipient was Mount Sinai Medical Center Foundation ($322K). Together the top 3 received $342K.

Grant Size Distribution

43 grants across all recorded years

31<$50K9$50–100K1$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 31 grants of 43 (72%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

MiamiWashingtonCoral GablesBoca RatonMiami BeachBronxNew YorkNew WindsorSouth Miami

How Leonard L and Bertha U Abess Foundation gives

  • Giving held roughly steady from 2022 to 2025 (+6%). Method
  • In 2025 it paid out 89% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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$100K$200K$300K$400K18 grants2019 11 grants2020 12 grants2021 14 grants2022 10 grants2023 4 grants2024 3 grants2025

From 2019 to 2025, annual grant giving ranged from $176K (2020) to $342K (2025). In 2025 it made 3 grants totaling $342K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Mount Sinai Medical Center Foundation Miami Beach, FLCommunity Benefit$322,000
Vizcaya Miami, FLCommunity Benefit$10,000
World Wildlife Federation Washington, DCCommunity Benefit$10,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$4,897,839$562,303$380,408$342,0003$349,037$530,738$392,559
2024$4,725,603$487,645$324,185$292,5004$298,792$461,509$347,723
2023$4,564,772$63,289$330,405$305,45010$310,966$91,925$300,007
2022$4,831,764$83,560$378,148$323,56014$330,887$61,097$310,538
2021$5,126,243$647,513$292,221$249,48012$259,989$617,772$334,314
2020$4,770,951$-166,968$228,796$175,78011—$45,125$276,437
2019$5,166,715$1,419,500$282,425$265,04018—$1,409,662$239,415

Under IRS private-foundation payout rules, Leonard L and Bertha U Abess Foundation reported a distributable amount of $393K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Leonard L and Bertha U Abess Foundation is led by Leonard L. Abess, President & Director on every filing since 2019; none of the 5 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Leonard L. Abess

    President & Director

    On filings since 2019

    2 hrs/week

    No compensation reported

  • Ashley Abess

    Director

    On filings since 2019

    1 hr/week

    No compensation reported

  • Brett U. Abess

    Director

    On filings since 2019

    1 hr/week

    No compensation reported

  • Jayne Harris Abess

    Vice Chair & Director

    On filings since 2019

    2 hrs/week

    No compensation reported

  • Matthew U. Abess

    Director

    On filings since 2019

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "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 Leonard L and Bertha U Abess Foundation

How much does Leonard L and Bertha U Abess Foundation give each year?

Leonard L and Bertha U Abess Foundation gave $342K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $293K across 4 grants.

What is Leonard L and Bertha U Abess Foundation's typical grant size?

Leonard L and Bertha U Abess Foundation's median grant in 2025 was $10,000, and its average grant was $114,000, across 3 grants on its 2025 IRS Form 990-PF.

Where does Leonard L and Bertha U Abess Foundation give grants?

Leonard L and Bertha U Abess Foundation gives mostly in Florida: 97% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.

Does Leonard L and Bertha U Abess Foundation give general operating support?

Not in 2025: none of the 3 grants with a stated purpose on Leonard L and Bertha U Abess Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Community Benefit" (3 grants).

How large is Leonard L and Bertha U Abess Foundation?

Leonard L and Bertha U Abess Foundation reported $4.9M in total assets on its 2025 IRS Form 990-PF. It paid out $349K in qualifying distributions that year, against a required minimum of $393K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is Leonard L and Bertha U Abess Foundation's EIN?

Leonard L and Bertha U Abess Foundation's EIN (Employer Identification Number) is 65-0151462. IRS Form 990 filing data is available on this page for 2019–2025.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS June 3, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS September 8, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS October 29, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS April 5, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 1, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS March 27, 2024)

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

Figures come from Leonard L and Bertha U Abess 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.

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