The Tietz Family Foundation
Preselected recipients only
The Tietz Family Foundation is a private foundation in Healdsburg, California. In tax year 2025 it gave $119,540 in 19 grants; the typical grant was $5,000 and the largest $30,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$119,540
- Number of grants19
- Typical grant$5,000
- Largest grant$30,000
- Assets$2.7 million
- New grantees53%
Giving in 2025 was up from $103,000 the year before.
53% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $118,500 | 18 | $2.2 million |
| 2024 | $103,000 | 13 | $2.5 million |
| 2025 | $119,540 | 19 | $2.7 million |
How to apply
The Tietz Family Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What The Tietz Family Foundation funds
Where it gives
Its grants went to recipients in 3 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 17 | $109,540 |
| District of Columbia | 1 | $5,000 |
| Montana | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Center for Spiritual Living | General support | $30,000 |
| Ceres Community Project | General support | $10,000 |
| Russian Riverkeeper | General support | $10,000 |
| True West Film Center | General support | $10,000 |
| Pajaro Valley Shelter Services | General support | $10,000 |
| Corazon Healdsburg | General support | $5,000 |
| Farm to Pantry | General support | $5,000 |
| Food for Thought | General support | $5,000 |
| Landpaths | General support | $5,000 |
| Fisher River Valley Fire and Rescure Aux | General support | $5,000 |
| Stewards of the Coast & Redwoods | General support | $5,000 |
| Women's Recovery Services | General support | $5,000 |
| National Park Conservation | General support | $5,000 |
| Spirit Rock | General support | $2,500 |
| Kqed | General support | $2,000 |
| Foundation Drew Esquivel Memorial Scholarship Fund | General support | $2,000 |
| AID'S Lifecycle | General support | $1,040 |
| St Baldrick's Foundation | General support | $1,000 |
| Cope in Sonoma County | General support | $1,000 |
Officers and trustees
- Dianna Madison
- Mark Tietz
Questions people ask
Does The Tietz Family Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does The Tietz Family Foundation give?
$119,540 in tax year 2025, across 19 grants, with a typical grant of $5,000.
Who runs The Tietz Family Foundation?
Its 2025 filing lists Dianna Madison (Secretary/Treasurer) and Mark Tietz (President).
What does The Tietz Family Foundation fund?
Based on its grants, mainly environment and conservation and food and hunger.