The Tom and Mayumi Adams Family
The Tom and Mayumi Adams Family is a private foundation based in Huntington Beach, California. Its 2025 filing reports 17 grants totaling $150,500 to organizations in California, Florida, Arizona, New York, and Louisiana.
The Tom and Mayumi Adams Family at a glance
In short: The Tom and Mayumi Adams Family gave $151K across 17 grants in 2025 (avg $9K), mostly in California. 31% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $150,500
- -88.6% vs 2024
- Grants made (2025)
- 17
- +6.3% vs 2024
- Average grant
- $8,853
- -89.3% vs 2024
- Median grant
- $5,000
- Total assets
- $2,327,684
- +73.9% vs 2024
- New grantees (estimate)
- 31% first-time grantees (5 of 16, 2025; small sample)
- Primary geography
- California (75% 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 The Tom and Mayumi Adams Family
- How to Apply
-
The foundation does not restrict giving to preselected organizations. To request funding, contact Tom Adams with a formal request outlining details related to the organization being supported. The filing lists no restrictions on awards.
- Contact
Application contact: Tom Adams
Mailing address: 5858 Engineer Drive, Huntington Beach, CA 92649
Phone: (714) 898-4377
Email: tom.adams@tiodize.com
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Tom and Mayumi Adams Family funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Irvine Barclay Theatre ($50K). Together the top 10 received $128K.
Organizations only. It also paid 1 grant to individuals ($10,000), which are not listed by name.
Grant Size Distribution
66 grants across all recorded years
The most common grant size was under $50K: 52 grants of 66 (79%).
Geographic Focus
Where this funder awards grants
In 2025, 75% of grant dollars went to recipients in California, 10% to Florida, 7% to Arizona, 4% to New York, and 3% to Louisiana.
Grant Distribution by State
Share of 2025 grant dollars across all 17 itemized grants.
Cities
Is The Tom and Mayumi Adams Family open to new grantees?
31%
first-time grantees, 2025
In 2025, 5 of 16 grantees (31%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $4K; repeat grants $12K. How we count
Medians: $5K first-time, $10K repeat.
- 38% of 2025 grantees were also funded in 2024. Method
- Giving fell 85% from 2022 to 2025. Method
- In 2025 it paid out 200% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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
From 2019 to 2025, annual grant giving ranged from $151K (2025) to $1.8M (2020). In 2025 it made 17 grants totaling $151K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Irvine Barclay Theatre Irvine, CA | To support the presentation of outstanding performances by today's top artists and provide essential services to our community through the performing arts; SUPPORTING THE 2025 CONCERT SERIES. | $50,000 |
| Huntington Beach Firefighters Assn Huntington Beach, CA | SUPPORTING THE HUNTINGTON BEACH FIREFIGHTERS: RED EVENT PLATINUM SPONSOR FOR FIRE & MARINE SAFETY and GREAT BALLS OF FIRE GOLF SPONSOR. | $16,000 |
| HB Police Officer Foundation Huntington Beach, CA | To provide benefits to the spouses and children of any officer killed in the line of duty in the state of California along with supporting other organizations that do the same; to support school, children and youth activities in Orange County; to support other charitable organizations recognized by IRS code 501(c)(3); and to provide medical and care assistance to children of HB Police Employees who are in need of medical help as a result of conditions that are not covers by health insurance. | $15,000 |
| PB J Foods Irvine, CA | To share the gospel of christ while meeting nutritional and economic needs in underdeveloped communities. Nkhoma, malawi field operations. | $10,000 |
| Ari Arteaga Foundation Pinecrest, FL | providing scholarships and financial support for students who exemplify ari's unique light and characteristics. SUPPORTING THE CHRISTMAS FAIRE. | $10,000 |
| 1 grant to individuals Recipients not named | — | $10,000 |
| Tunnel to Towers Foundation Staten Island, NY | To honor the sacrifice of firefighters, specifically the veterans' "home mortgage and 2025 season of hope. | $6,000 |
| PSQ Irvine, CA | Huntington Beach 4TH of July Parade Sponsor. | $6,000 |
| University of Miami Athletics Coral Gables, FL | To develop and support student-athletes in their efforts to achieve personal, academic and athletic excellence. Golf event sponsor. | $5,000 |
| Huntington Beach Sports Hall of Fam Huntington Beach, CA | Support the New Hall of Fame | $5,000 |
Ready to take the next step with The Tom and Mayumi Adams Family?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $2,327,684 | $1,139,559 | $150,578 | $150,500 | 17 | $150,500 | $19,481 | $75,161 |
| 2024 | $1,338,703 | $1,120,015 | $1,317,972 | $1,317,700 | 16 | $1,317,900 | — | — |
| 2023 | $1,536,660 | $1,120,010 | $892,771 | $892,500 | 11 | $892,500 | $10 | — |
| 2022 | $1,309,421 | $1,120,003 | $994,297 | $994,000 | 11 | $994,000 | $3 | — |
| 2021 | $1,183,715 | $1,120,005 | $906,811 | $906,600 | 11 | $906,600 | $5 | — |
| 2020 | $970,521 | $1,120,046 | $1,834,821 | $1,834,600 | 7 | — | $46 | — |
| 2019 | $1,685,296 | $1,220,027 | $400,720 | $400,500 | 20 | — | $27 | — |
Under IRS private-foundation payout rules, The Tom and Mayumi Adams Family reported a distributable amount of $75K 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
No formal mission statement for the foundation is provided. Its grants support a range of organizations. For example, Serving People In Need Inc. describes its mission as helping Orange County families and individuals in crisis achieve permanent self-sufficiency through long-term case management and support services. City of Hope says its mission is to make hope a reality for people touched by cancer and diabetes. An individual recipient describes its work as empowering informed civic and cultural engagement, while The Heritage Foundation says it promotes conservative public policies.
Grantmaking
In 2025, the foundation awarded 17 grants totaling $150,500. Grants ranged from $500 to $50,000, with a median grant of $5,000.
The largest reported grant was $50,000 to Irvine Barclay Theatre to support its 2025 concert series. Other notable grants included $16,000 to the Huntington Beach Firefighters Association for event sponsorships, $15,000 to the HB Police Officer Foundation, and $10,000 each to PB J Foods, the Ari Arteaga Foundation, and an individual recipient Other reported recipients included Tunnel to Towers Foundation ($6,000), PSQ ($6,000), and University of Miami Athletics ($5,000).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Thomas R. Adams as President & CEO, Mayumi Murakami as Secretary, and Patty Enna as CFO.
The Tom and Mayumi Adams Family is led by Thomas R Adams, President & CEO on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Thomas R Adams
President & CEO
On filings since 2019
2 hrs/week
No compensation reported
Mayumi Murakami
Secretary
On filings since 2019
2 hrs/week
No compensation reported
Patty Enna
CFO
On filings since 2019
2 hrs/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 The Tom and Mayumi Adams Family
How much does The Tom and Mayumi Adams Family give each year?
The Tom and Mayumi Adams Family gave $151K across 17 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.3M across 16 grants.
What is The Tom and Mayumi Adams Family's typical grant size?
The Tom and Mayumi Adams Family's median grant in 2025 was $5,000, and its average grant was $8,853, across 17 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Tom and Mayumi Adams Family that year got $4K on average.
Where does The Tom and Mayumi Adams Family give grants?
The Tom and Mayumi Adams Family gives mostly in California: 75% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Florida (10%) and Arizona (7%). The most frequent recipient cities were Irvine, CA (3 grants), Huntington Beach, CA (3 grants) and Laguna Beach, CA (2 grants).
Does The Tom and Mayumi Adams Family give general operating support?
Not in 2025: none of the 17 grants with a stated purpose on The Tom and Mayumi Adams Family's 2025 IRS Form 990-PF were described as general or operating support.
Who are The Tom and Mayumi Adams Family's largest grantees?
The Tom and Mayumi Adams Family's largest 2025 grantees include Irvine Barclay Theatre ($50,000), Huntington Beach Firefighters Assn ($16,000) and HB Police Officer Foundation ($15,000), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($10,000), which are not listed by name. Together they received 54% of its itemized 2025 grant dollars.
How large is The Tom and Mayumi Adams Family?
The Tom and Mayumi Adams Family reported $2.3M in total assets on its 2025 IRS Form 990-PF. It paid out $151K in qualifying distributions that year, against a required minimum of $75K (roughly 5% of its investment assets).
What does The Tom and Mayumi Adams Family fund?
No formal mission statement for the foundation is provided. Its grants support a range of organizations. See mission & focus areas ↑
How do I apply for a grant from The Tom and Mayumi Adams Family?
The foundation does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Tom and Mayumi Adams Family's EIN?
The Tom and Mayumi Adams Family's EIN (Employer Identification Number) is 47-3770855. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS May 5, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 6, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS July 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS June 8, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS April 30, 2026)
- IRS filings on file for fiscal years 2019–2024
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Cite this profile
Grantable. (2026). The Tom and Mayumi Adams Family funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/the-tom-and-mayumi-adams-family-morg_e3c80b2973a44a738819f07776b8a2d4
BibTeX
@misc{grantable_473770855_2026,
author = {{Grantable}},
title = {{The Tom and Mayumi Adams Family funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-tom-and-mayumi-adams-family-morg_e3c80b2973a44a738819f07776b8a2d4},
note = {Accessed 2026-10-11. 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 The Tom and Mayumi Adams Family'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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