Tonkinson Foundation Inc logo

Tonkinson Foundation Inc

Private foundation · Grantmaker Miami, FL EIN: 81-4818437 Website

Tonkinson Foundation Inc is a private foundation based in Miami, Florida. It supports charitable organizations across the arts, disaster relief, medical, education, community service, and environmental fields.

Tonkinson Foundation Inc at a glance

In short: Tonkinson Foundation Inc gave $424K across 47 grants in 2025 (avg $9K), mostly in Florida. 19% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$424,323
+3.6% vs 2024
Grants made (2025)
47
+2.2% vs 2024
Average grant
$9,028
+1.4% vs 2024
Median grant
$2,000
Total assets
$2,027,796
+14.5% vs 2024
New grantees (estimate)
19% first-time grantees (9 of 47, 2025)
Primary geography
Florida (93% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Tonkinson Foundation Inc

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 2398 S Dixie Highway, Miami, FL 33133
Phone: (305) 343-1240
Website: https://tonkinsonfoundation.org

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Tonkinson Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Friends of the Underline: $100KFriends of the Underline$100KFlorida International University Fnd: $75KFlorida InternationalUniversity Fnd$75KDiabetes Research Foundation: $50KDiabetes Research Foundation$50KUniversity of Miami: $32KUniversity of Miami$32KCoral Gables Community Foundation: $29KCoral Gables CommunityFoundation$29KNational Geographic Society: $20KNational Geographic Society$20KZoo Miami Foundation: $16KZoo Miami Foundation$16KThe Way Forward Foundation: $15KThe Way Forward Foundation$15KBranches Inc: $14KBranches Inc$14KDeering Estate Foundation: $8KDeering Estate Foundation$8K

The largest 2025 recipient was Friends of the Underline ($100K). Together the top 10 received $357K.

Grant Size Distribution

219 grants across all recorded years

206<$50K12$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 206 grants of 219 (94%).

Geographic Focus

Where this funder awards grants

In 2025, 93% of grant dollars went to recipients in Florida, 5% to recipients in Washington, DC, and 1% to recipients in Utah. Massachusetts and Mississippi each accounted for 0% as reported in the filing.

Grant Distribution by State

11states

Share of 2025 grant dollars across all 47 itemized grants.

Cities

MiamiCoral GablesPark CityHomesteadBozemanCoconut CreekHollywoodMarco IslandProvoClearwaterOklahoma CityPort St LucieDoralSanta BarbaraClermontPalm BeachSarasotaWashingtonFort LauderdaleFresno

Is Tonkinson Foundation Inc open to new grantees?

19%

first-time grantees, 2025

In 2025, 9 of 47 grantees (19%) were first-time recipients. First grants averaged $3K; repeat grants $10K. How we count

Medians: $1K first-time, $2K repeat.

  • 79% of 2025 grantees were also funded in 2024. Method
  • Giving grew 27% from 2022 to 2025. Method
  • In 2025 it paid out 413% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K42 grants2020 40 grants2021 44 grants2022 42 grants2023 46 grants2024 47 grants2025

From 2020 to 2025, annual grant giving ranged from $234K (2020) to $424K (2025). In 2025 it made 47 grants totaling $424K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Friends of the Underline Miami, FLCommunity Development$100,000
Florida International University Fnd Miami, FLEducation$74,750
Diabetes Research Foundation Hollywood, FLHealth & Well-being$50,000
University of Miami Coral Gables, FLEducation$32,000
Coral Gables Community Foundation Coral Gables, FLCommunity Development$28,500
National Geographic Society Washington, DCEducation, Conservation & Culture$20,000
Zoo Miami Foundation Miami, FLEnvironment Conservation$15,800
The Way Forward Foundation Coral Gables, FLMeeting Individual Needs of people with spinal cord injuries$15,000
Branches Inc Miami, FLHelping families break cycle of poverty$13,500
Deering Estate Foundation Miami, FLArts, Culture & Environment$7,800
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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$2,027,796$684,274$427,977$424,32347$424,698$80,645$102,754
2024$1,771,499$646,227$412,824$409,74846$410,123$31,365$84,487
2023$1,538,039$579,255$357,270$353,31542$353,690$28,854$56,883
2022$1,314,517$584,326$342,130$335,04844$335,479$31,804$52,008
2021$1,072,321$762,633$298,609$295,43240$298,609$102,633—
2020$608,297$500,554$237,276$233,71442—$4,975—

Under IRS private-foundation payout rules, Tonkinson Foundation Inc reported a distributable amount of $103K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The foundation says its mission is to make the maximum effort for its community and provide momentum for positive change. Its website lists the arts, disaster relief, community service, medical, education, and environmental work among its areas of support.

Its 2025 grants included community development, education, health, environmental conservation, and arts and culture. Among the organizations it supported, Friends of the Underline describes its vision as transforming land below Miami’s Metrorail into a neighborhood park, trail, and living-art destination. Zoo Miami Foundation says it works to inspire people to preserve nature. The Coral Gables Community Foundation says it fosters cultural, educational, historic, social, and health charitable projects.

Grantmaking

In 2025, the foundation reported 47 grants totaling $424,323. Grant amounts ranged from $103 to $100,000, with a median of $2,000.

Its largest 2025 grants included $100,000 to Friends of the Underline for community development; $74,750 to Florida International University Foundation for education; $50,000 to Diabetes Research Foundation for health and well-being; $32,000 to the University of Miami for education; and $28,500 to Coral Gables Community Foundation for community development. Other grants included $20,000 to National Geographic Society, $15,800 to Zoo Miami Foundation, and $15,000 to The Way Forward Foundation.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Richard Tonkinson as president, Margarita Tonkinson as secretary, and Steven Tonkinson as treasurer. The foundation’s website describes Rick Tonkinson as having a passion for medical research, education, the arts, and the environment.

Tonkinson Foundation Inc is led by Richard Tonkinson, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Richard Tonkinson

    President

    On filings since 2020

    1 hr/week

    No compensation reported

  • Margarita Tonkinson

    Secretary

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Steven Tonkinson

    Treasurer

    On filings since 2020

    1 hr/week

    No compensation reported

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.

Frequently asked questions about Tonkinson Foundation Inc

How much does Tonkinson Foundation Inc give each year?

Tonkinson Foundation Inc gave $424K across 47 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $410K across 46 grants.

What is Tonkinson Foundation Inc's typical grant size?

Tonkinson Foundation Inc's median grant in 2025 was $2,000, and its average grant was $9,028, across 47 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Tonkinson Foundation Inc that year got $3K on average.

Where does Tonkinson Foundation Inc give grants?

Tonkinson Foundation Inc gives mostly in Florida: 93% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Miami, FL (21 grants), Coral Gables, FL (9 grants), Homestead, FL (2 grants) and Park City, UT (2 grants).

Does Tonkinson Foundation Inc give general operating support?

Occasionally: 2% of Tonkinson Foundation Inc's 2025 grants with a stated purpose (1 of 47) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Community Development" (9 grants), "Arts & Culture" (5 grants) and "Education" (5 grants).

Who are Tonkinson Foundation Inc's largest grantees?

Tonkinson Foundation Inc's largest 2025 grantees include Friends of the Underline ($100,000), Florida International University Fnd ($74,750) and Diabetes Research Foundation ($50,000), according to its 2025 IRS Form 990-PF. Together they received 53% of its itemized 2025 grant dollars.

How large is Tonkinson Foundation Inc?

Tonkinson Foundation Inc reported $2.0M in total assets on its 2025 IRS Form 990-PF. It paid out $425K in qualifying distributions that year, against a required minimum of $103K (roughly 5% of its investment assets).

What does Tonkinson Foundation Inc fund?

The foundation says its mission is to make the maximum effort for its community and provide momentum for positive change. Its website lists the arts, disaster relief, community service, medical, education, and environmental work among its areas of support. See mission & focus areas ↑

How do I apply for a grant from Tonkinson Foundation Inc?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Tonkinson Foundation Inc's EIN?

Tonkinson Foundation Inc's EIN (Employer Identification Number) is 81-4818437. IRS Form 990 filing data is available on this page for 2020–2025.

Does Tonkinson Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 3, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 14, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 9, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 9, 2026)

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Cite this profile

Grantable. (2026). Tonkinson Foundation Inc funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/tonkinson-foundation-inc-morg_d92dc3e4c9b94fffbf437df6dd042567

BibTeX
@misc{grantable_814818437_2026,
  author       = {{Grantable}},
  title        = {{Tonkinson Foundation Inc funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/tonkinson-foundation-inc-morg_d92dc3e4c9b94fffbf437df6dd042567},
  note         = {Accessed 2026-10-13. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Tonkinson Foundation Inc'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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