Heiser Foundation
The Heiser Foundation is a private foundation based in Stockton, California. Its 2025 filing reports 14 grants totaling $22,984, including grants to charitable organizations in Stockton and elsewhere.
Heiser Foundation at a glance
In short: Heiser Foundation gave $23K across 14 grants in 2025 (avg $2K), mostly in California. 21% of 2025 grantees were new. Source: 2025 IRS Form 990 filing.
- Annual giving (2025)
- $22,984
- +96.9% vs 2024
- Grants made (2025)
- 14
- -36.4% vs 2024
- Average grant
- $1,642
- +209.4% vs 2024
- Median grant
- $119
- Total assets
- $73,234
- -14.4% vs 2024
- New grantees (estimate)
- 21% first-time grantees (3 of 14, 2025; small sample)
- Primary geography
- California (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990 filing, 2025 View filing
Data from IRS Form 990 filing, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Heiser Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds; it states that it contributes only to preselected charitable organizations.
- Contact
Mailing address: 1155 W Walnut Street, Stockton, CA 95203
Phone: (209) 463-4363
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Heiser Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Temple Israel ($16K). Together the top 10 received $23K.
Grant Size Distribution
82 grants across all recorded years
The most common grant size was under $50K: 82 grants of 82 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 99% of grant dollars went to recipients in California, 1% to recipients in Massachusetts, and less than 1% to recipients in Washington, DC.
Grant Distribution by State
Share of 2025 grant dollars across all 14 itemized grants.
Cities
Is Heiser Foundation open to new grantees?
21%
first-time grantees, 2025
In 2025, 3 of 14 grantees (21%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $2K; repeat grants $2K. How we count
Medians: $138 first-time, $107 repeat.
Estimate from itemized grant lists in IRS Form 990 filings (2021–2025). 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 2021 to 2025, annual grant giving ranged from $4K (2021) to $23K (2025). In 2025 it made 14 grants totaling $23K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Temple Israel Stockton, CA | To Assistcharitableactivity | $15,664 |
| Animal Protection League Stockton, CA | To Assistcharitableactivity | $5,238 |
| University of the Pacific Stockton, CA | To Assistcharitableactivity | $890 |
| Act Sprayneuter Clinic Stockton, CA | To Assistcharitableactivity | $312 |
| Ohana Project Fresco CA, CA | To Assistcharitableactivity | $200 |
| Stockton Symphony Assoc Stockton, CA | To Assistcharitableactivity | $138 |
| Save Our Kitties Canyon County, CA | To Assistcharitableactivity | $130 |
| Network for Animals Barnstable, MA | To Assistcharitableactivity | $107 |
| White Coat Waste Washington, DC | To Assistcharitableactivity | $100 |
| City of Stockton Animals Shelter Control Stockton, CA | To Assistcharitableactivity | $60 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $73,234 | $12,677 | $25,007 | $22,984 | 14 | $573 |
| 2024 | $85,564 | $3,579 | $13,708 | $11,672 | 22 | $58 |
| 2023 | $95,693 | $3,057 | $20,403 | $18,407 | 21 | $1,061 |
| 2022 | $113,039 | $2,811 | $6,472 | $4,210 | 13 | $2,811 |
| 2021 | $116,700 | $2,016 | $5,717 | $3,580 | 12 | $1,889 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission statement is provided. Its 2025 grants include support for a religious organization, animal-related organizations, a university, a symphony association, and a museum.
The Animal Protection League describes its mission as “creating a long-term solution by advancing animal welfare through education, providing resources for animal well-being, and low-cost/free spay and neuter for the dogs and cats of our community.” The University of the Pacific describes its mission as providing a superior, student-centered learning experience that integrates liberal arts and professional education and prepares individuals for lasting achievement and responsible leadership in their careers and communities.
Grantmaking
In 2025, the foundation gave 14 grants totaling $22,984. Grant amounts ranged from $20 to $15,664, with a median of $118. The largest listed grants were $15,664 to Temple Israel in Stockton, California; $5,238 to the Animal Protection League in Stockton; and $890 to the University of the Pacific in Stockton. The stated purpose for these grants was “TO ASSISTCHARITABLEACTIVITY.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Jeffrey D. Heiser as president and Barbara Heiser as secretary.
Heiser Foundation is led by Jeffrey D. Heiser, President on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jeffrey D. Heiser
President
On filings since 2021
No compensation reported
Barbara Heiser
Secretary
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 Heiser Foundation
How much does Heiser Foundation give each year?
Heiser Foundation gave $23K across 14 grants in 2025, according to its 2025 IRS Form 990 filing. In 2024 it gave $12K across 22 grants.
What is Heiser Foundation's typical grant size?
Heiser Foundation's median grant in 2025 was $119, and its average grant was $1,642, across 14 grants on its 2025 IRS Form 990 filing. Organizations receiving their first grant from Heiser Foundation that year got $2K on average.
Where does Heiser Foundation give grants?
Heiser Foundation gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990 filing went to recipients there. The most frequent recipient cities were Stockton, CA (9 grants) and Barnstable, MA (2 grants).
Does Heiser Foundation give general operating support?
Not in 2025: none of the 14 grants with a stated purpose on Heiser Foundation's 2025 IRS Form 990 filing were described as general or operating support. Recurring purposes include "To Assistcharitableactivity" (14 grants).
Who are Heiser Foundation's largest grantees?
Heiser Foundation's largest 2025 grantees include Temple Israel ($15,664), Animal Protection League ($5,238) and University of the Pacific ($890), according to its 2025 IRS Form 990 filing. Together they received 95% of its itemized 2025 grant dollars.
How large is Heiser Foundation?
Heiser Foundation reported $73K in total assets on its 2025 IRS Form 990 filing. Its revenue that year was $13K.
What does Heiser Foundation fund?
No foundation mission statement is provided. Its 2025 grants include support for a religious organization, animal-related organizations, a university, a symphony association, and a museum. See mission & focus areas ↑
How do I apply for a grant from Heiser Foundation?
The foundation does not accept unsolicited requests for funds; it states that it contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Heiser Foundation's EIN?
Heiser Foundation's EIN (Employer Identification Number) is 94-6064977. IRS Form 990 filing data is available on this page for 2021–2025.
Does Heiser Foundation 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 filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
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Figures come from Heiser 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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