Harry and Helen Tassell Family

Private foundation · Grantmaker Antioch, CA EIN: 26-1129404

Harry and Helen Tassell Family is a private foundation, based in Antioch, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.8M in total assets. In 2025, it awarded 9 grants totaling $65K. Net investment income was $49K.

Harry and Helen Tassell Family at a glance

In short: Harry and Helen Tassell Family gave $65K across 9 grants in 2025 (avg $7K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$65,000
+18.2% vs 2024
Grants made (2025)
9
-18.2% vs 2024
Average grant
$7,222
+44.4% vs 2024
Median grant
$5,000
Total assets
$1,758,691
+37.0% vs 2024
Primary geography
California (100% 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 Harry and Helen Tassell Family funds

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2025

Opportunity Junction: $20KOpportunity Junction$20KDelta Learning Center: $20KDelta Learning Center$20KLivermore Valley Arts: $6KLivermore Valley Arts$6KAntioch Historical Society: $5KAntioch Historical Society$5KGhostlight Theatre: $5KGhostlight Theatre$5KCarmel Art Association: $5KCarmel Art Association$5KSunset Cultural Center: $3KSunset Cultural Center$3KAntioch Rotary Club: $2KAntioch Rotary Club$2KBonita Valley Community Church: $200Bonita Valley Community Church$200

The largest 2025 recipient was Opportunity Junction ($20K). Together the top 9 received $65K.

Grant Size Distribution

43 grants across all recorded years

43<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 43 grants of 43 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 9 itemized grants.

Cities

AntiochConcordBrentwoodCarmelLivermoreOakleyBonitaCary

How Harry and Helen Tassell Family gives

  • Giving grew 644% from 2022 to 2025. 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$20K$40K$60K$80K5 grants2019 6 grants2020 9 grants2021 6 grants2022 8 grants2023 11 grants2024 9 grants2025

From 2019 to 2025, annual grant giving ranged from $9K (2022) to $65K (2025). In 2025 it made 9 grants totaling $65K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Opportunity Junction Antioch, CASupport$20,000
Delta Learning Center Antioch, CASupport$20,000
Livermore Valley Arts Livermore, CASupport$5,550
Antioch Historical Society Antioch, CASupport$5,000
Ghostlight Theatre Brentwood, CASupport$5,000
Carmel Art Association Carmel, CASupport$5,000
Sunset Cultural Center Carmel, CASupport$2,500
Antioch Rotary Club Antioch, CASupport$1,750
Bonita Valley Community Church Bonita, CASupport$200
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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 Income
2025$1,758,691$489,535$66,520$65,0009$65,508$49,029
2024$1,284,095$259,035$56,222$55,00011$55,408$49,992
2023$1,087,283$250,814$47,209$45,0008$45,737$47,613
2022$891,264$270,528$11,070$8,7406$9,517$105,100
2021$662,916$68,050$37,905$36,8359$36,905$7,734
2020$735,984$74,393$24,054$23,0006—$4,452
2019$546,970$112,591$26,873$25,0505—$14,610

Leadership & Key People

Officers and directors from IRS filings

Harry and Helen Tassell Family is led by Thomas Tassell, President & Treasurer on every filing since 2019; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Thomas Tassell

    President & Treasurer

    On filings since 2019

    No compensation reported

  • Brian Tassell

    Secretary

    On filings since 2019

    No compensation reported

  • Toni Tassell

    Vice President

    On filings since 2019

    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 Harry and Helen Tassell Family

How much does Harry and Helen Tassell Family give each year?

Harry and Helen Tassell Family gave $65K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $55K across 11 grants.

What is Harry and Helen Tassell Family's typical grant size?

Harry and Helen Tassell Family's median grant in 2025 was $5,000, and its average grant was $7,222, across 9 grants on its 2025 IRS Form 990-PF.

Where does Harry and Helen Tassell Family give grants?

Harry and Helen Tassell Family gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Antioch, CA (4 grants) and Carmel, CA (2 grants).

Does Harry and Helen Tassell Family give general operating support?

Not in 2025: none of the 9 grants with a stated purpose on Harry and Helen Tassell Family's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support" (9 grants).

Who are Harry and Helen Tassell Family's largest grantees?

Harry and Helen Tassell Family's largest 2025 grantees include Opportunity Junction ($20,000), Delta Learning Center ($20,000) and Livermore Valley Arts ($5,550), according to its 2025 IRS Form 990-PF. Together they received 70% of its itemized 2025 grant dollars.

How large is Harry and Helen Tassell Family?

Harry and Helen Tassell Family reported $1.8M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $490K.

What is Harry and Helen Tassell Family's EIN?

Harry and Helen Tassell Family's EIN (Employer Identification Number) is 26-1129404. 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

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS May 6, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS October 8, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 10, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 21, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 13, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS July 2, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 2, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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

Figures come from Harry and Helen Tassell 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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