The Tietz Family Foundation
The Tietz Family Foundation is a private foundation based in Healdsburg, California. In its 2025 filing, it reported giving $119,540 through 19 grants, all designated for general support.
The Tietz Family Foundation at a glance
In short: The Tietz Family Foundation gave $120K across 19 grants in 2025 (avg $6K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $119,540
- +16.1% vs 2024
- Grants made (2025)
- 19
- +46.2% vs 2024
- Average grant
- $6,292
- -20.6% vs 2024
- Median grant
- $5,000
- Total assets
- $2,003,650
- +2.5% vs 2024
- Primary geography
- California (92% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to The Tietz Family Foundation
- 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: 1083 Vine Street 323, Healdsburg, CA 95448
Phone: (707) 433-4111
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Tietz Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Center for Spiritual Living ($30K). Together the top 10 received $95K.
Grant Size Distribution
85 grants across all recorded years
The most common grant size was under $50K: 85 grants of 85 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 92% of grant dollars went to recipients in California, 4% to recipients in Montana, and 4% to recipients in the District of Columbia. Listed California recipients include organizations in Healdsburg and other communities across the state.
Grant Distribution by State
Share of 2025 grant dollars across all 19 itemized grants.
Cities
How The Tietz Family Foundation gives
- 53% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+4%). Method
- In 2025 it paid out 99% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (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 $15K (2019) to $4.4M (2020). In 2025 it made 19 grants totaling $120K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Center for Spiritual Living Santa Rosa, CA | General Support | $30,000 |
| Ceres Community Project Healdsburg, CA | General Support | $10,000 |
| Russian Riverkeeper Healdsburg, CA | General Support | $10,000 |
| True West Film Center Healdsburg, CA | General Support | $10,000 |
| Pajaro Valley Shelter Services Watsonville, CA | General Support | $10,000 |
| Corazon Healdsburg Healdsburg, CA | General Support | $5,000 |
| Farm to Pantry Windsor, CA | General Support | $5,000 |
| Food for Thought Forestville, CA | General Support | $5,000 |
| Landpaths Santa Rosa, CA | General Support | $5,000 |
| Fisher River Valley Fire and Rescure Aux Libby, MT | General Support | $5,000 |
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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 | $2,003,650 | $192,614 | $144,150 | $119,540 | 19 | $123,191 | $171,162 | $124,532 |
| 2024 | $1,955,186 | $247,431 | $132,003 | $103,000 | 13 | $106,302 | $234,005 | $115,507 |
| 2023 | $1,839,758 | $635,784 | $135,767 | $118,500 | 18 | $122,838 | $618,165 | $94,904 |
| 2022 | $1,339,741 | $63,065 | $138,803 | $115,000 | 16 | $129,656 | $48,495 | $108,624 |
| 2021 | $1,415,479 | $161,711 | $158,593 | $135,500 | 19 | $139,575 | $144,913 | $118,413 |
| 2020 | $1,412,361 | $3,211,049 | $4,399,633 | $4,364,654 | 12 | — | $43,649 | $204,624 |
| 2019 | $1,712,929 | $30,956 | $34,243 | $15,000 | 1 | — | $25,713 | $103,246 |
Under IRS private-foundation payout rules, The Tietz Family Foundation reported a distributable amount of $125K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No foundation mission statement is provided. The grantees’ own descriptions illustrate the range of work supported: Pajaro Valley Shelter Services says it helps families pursue self-sufficient futures through housing and supportive services; Russian Riverkeeper says it protects and restores the Russian River watershed; and Farm to Pantry describes its work as providing fresh, healthy, affordable food, especially to people facing hunger or limited access to nutritious produce.
Other 2025 grantees describe work in land stewardship, film and media arts, public media, and childhood cancer research. For example, LandPaths says it fosters a love of the land in Sonoma County, while TRUE WEST FILM CENTER says it brings cinema to Northern California and supports artists and students.
Grantmaking
In filing year 2025, the foundation reported 19 grants totaling $119,540. Grants ranged from $1,000 to $30,000, with a median grant of $5,000. The largest listed awards were $30,000 to CENTER FOR SPIRITUAL LIVING and $10,000 each to CERES COMMUNITY PROJECT, Russian Riverkeeper, TRUE WEST FILM CENTER, and Pajaro Valley Shelter Services. Other listed awards included $5,000 each to Corazon Healdsburg, Farm to Pantry, Food for Thought, LandPaths, Fisher River Valley Fire and Rescue Aux, Stewards of the Coast & Redwoods, and Women’s Recovery Services. The filing lists the grants as general support.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Dianna Madison as secretary/treasurer and Mark Tietz as president.
The Tietz Family Foundation is led by Mark Tietz, President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Mark Tietz
President
On filings since 2019
1 hr/week
No compensation reported
Dianna Madison
Secretary & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Former officers (3)
- Former: Paul Tietz (2019–2020) — Secretary & Treasurer to Nov
- Former: Sara Kozel (2019–2020) — Director to Nov
- Former: Laura S. Tietz (2019) — President
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 Tietz Family Foundation
How much does The Tietz Family Foundation give each year?
The Tietz Family Foundation gave $120K across 19 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $103K across 13 grants.
What is The Tietz Family Foundation's typical grant size?
The Tietz Family Foundation's median grant in 2025 was $5,000, and its average grant was $6,292, across 19 grants on its 2025 IRS Form 990-PF.
Where does The Tietz Family Foundation give grants?
The Tietz Family Foundation gives mostly in California: 92% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Healdsburg, CA (5 grants), Santa Rosa, CA (3 grants) and San Francisco, CA (2 grants).
Does The Tietz Family Foundation give general operating support?
Yes: 100% of The Tietz Family Foundation's 2025 grants with a stated purpose (19 of 19) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Tietz Family Foundation's largest grantees?
The Tietz Family Foundation's largest 2025 grantees include Center for Spiritual Living ($30,000), Ceres Community Project ($10,000) and Russian Riverkeeper ($10,000), according to its 2025 IRS Form 990-PF. Together they received 42% of its itemized 2025 grant dollars.
How large is The Tietz Family Foundation?
The Tietz Family Foundation reported $2.0M in total assets on its 2025 IRS Form 990-PF. It paid out $123K in qualifying distributions that year, against a required minimum of $125K (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 does The Tietz Family Foundation fund?
No foundation mission statement is provided. See mission & focus areas ↑
How do I apply for a grant from The Tietz Family Foundation?
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 The Tietz Family Foundation's EIN?
The Tietz Family Foundation's EIN (Employer Identification Number) is 77-0480316. IRS Form 990 filing data is available on this page for 2019–2025.
Does The Tietz Family 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-PF filings. Research dossier generated October 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS September 1, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 9, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in The Tietz Family Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). The Tietz Family Foundation funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/the-tietz-family-foundation-morg_4a206d28821e4931ae3945569e522fc9
BibTeX
@misc{grantable_770480316_2026,
author = {{Grantable}},
title = {{The Tietz Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-tietz-family-foundation-morg_4a206d28821e4931ae3945569e522fc9},
note = {Accessed 2026-10-05. 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 Tietz Family 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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