Eugene C and Wiletta F Denton
Eugene C and Wiletta F Denton is a private foundation based in Tucson, Arizona. Its 2025 filing reports grants to charitable organizations in Arizona, including organizations in Tucson and other Arizona communities.
Eugene C and Wiletta F Denton at a glance
In short: Eugene C and Wiletta F Denton gave $42K across 10 grants in 2025 (avg $4K), mostly in Arizona. 50% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $42,000
- -6.7% vs 2024
- Grants made (2025)
- 10
- +0.0% vs 2024
- Average grant
- $4,200
- -6.7% vs 2024
- Median grant
- $3,500
- Total assets
- $2,122,600
- +13.0% vs 2024
- New grantees (estimate)
- 50% first-time grantees (5 of 10, 2025; small sample)
- Primary geography
- Arizona (100% 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 Eugene C and Wiletta F Denton
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds; it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 7667 E Lee Street, Tucson, AZ 85715-5018
Phone: (520) 977-1443
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Eugene C and Wiletta F Denton funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Interfaith Community Services ($11K). Together the top 10 received $42K.
Grant Size Distribution
57 grants across all recorded years
The most common grant size was under $50K: 57 grants of 57 (100%).
Geographic Focus
Where this funder awards grants
All grant dollars reported for 2025 went to recipients in Arizona.
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
Cities
Is Eugene C and Wiletta F Denton open to new grantees?
50%
first-time grantees, 2025
In 2025, 5 of 10 grantees (50%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $3K; repeat grants $5K. How we count
Medians: $3K first-time, $4K repeat.
- 50% of 2025 grantees were also funded in 2024. Method
- Giving grew 91% from 2022 to 2025. Method
- In 2025 it paid out 117% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $18K (2020) to $60K (2023). In 2025 it made 10 grants totaling $42K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Interfaith Community Services Tucson, AZ | To Further the Org's Mission | $11,000 |
| Recenter Pinetop, AZ | To Further the Org's Mission | $5,000 |
| Mobile Meals Tucson, AZ | To Further the Org's Mission | $4,000 |
| Emerge Tucson, AZ | To Further the Org's Mission | $4,000 |
| St Francis Shelter Tucson, AZ | To Further the Org's Mission | $4,000 |
| Community Gardens of Tucson Tucson, AZ | To Further the Org's Mission | $3,000 |
| Children's Museum Oro Valley at TC, AZ | To Further the Org's Mission | $3,000 |
| White Mountain Community Food Bank Show Low, AZ | To Further the Org's Mission | $3,000 |
| Humane Society of Southern AZ Tucson, AZ | To Further the Org's Mission | $3,000 |
| Flowing Wells Neighborhood Assoc Tucson, AZ | To Further the Org's Mission | $2,000 |
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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 | $2,122,600 | $284,373 | $137,670 | $42,000 | 10 | $122,670 | $233,703 | $104,526 |
| 2024 | $1,878,803 | $91,096 | $124,118 | $45,000 | 10 | $109,334 | $48,008 | $91,865 |
| 2023 | $1,561,172 | $55,405 | $119,203 | $60,250 | 17 | $103,819 | $40,021 | $82,994 |
| 2022 | $1,591,034 | $44,450 | $108,219 | $22,000 | 11 | $65,321 | — | $83,733 |
| 2021 | $1,654,803 | $310,494 | $98,523 | $20,000 | 9 | $64,279 | $242,965 | $90,332 |
| 2020 | $1,444,668 | $100,399 | $92,978 | $18,000 | 5 | — | $37,882 | $92,037 |
Under IRS private-foundation payout rules, Eugene C and Wiletta F Denton reported a distributable amount of $105K 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
The foundation’s listed 2025 grantees include organizations with varied missions. Interfaith Community Services describes its mission as providing pathways to more stable and self-sufficient lives. Community Gardens of Tucson describes its mission as building community gardens where Tucsonans grow food, work and learn together, and nurture well-being in their communities.
Grantmaking
In filing year 2025, the foundation gave $42,000 through 10 grants. Grants ranged from $2,000 to $11,000, with a median grant of $3,500. The largest awards were $11,000 to Interfaith Community Services, $5,000 to ReCenter, and $4,000 each to Mobile Meals, Emerge, and St Francis Shelter. Community Gardens of Tucson received $3,000.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Baleka Baker as secretary/treasurer, Heide Zurlinden as president, and Allyn Baker, Sara Zurlinden, and Donald Denton as directors.
Eugene C and Wiletta F Denton is led by Heide Zurlinden, President on every filing since 2020; 2 of 5 officers listed in 2025 are compensated.
Officers on the 2025 filing
Heide Zurlinden
President
On filings since 2020
$24K (2022) → $30K (2025)
Allyn Baker
Director
On filings since 2020
No compensation reported
Donald Denton
Director
On filings since 2020
No compensation reported
Sara Zurlinden
Director
On filings since 2020
No compensation reported
Baleka Baker
Secretary
Secretary & Treasurer → Secretary, 2024
On filings since 2020
$24K (2022) → $30K (2025)
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $30K, to Baleka Baker (Secretary/Tr). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Eugene C and Wiletta F Denton
How much does Eugene C and Wiletta F Denton give each year?
Eugene C and Wiletta F Denton gave $42K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $45K across 10 grants.
What is Eugene C and Wiletta F Denton's typical grant size?
Eugene C and Wiletta F Denton's median grant in 2025 was $3,500, and its average grant was $4,200, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Eugene C and Wiletta F Denton that year got $3K on average.
Where does Eugene C and Wiletta F Denton give grants?
Eugene C and Wiletta F Denton gives mostly in Arizona: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Tucson, AZ (7 grants).
Does Eugene C and Wiletta F Denton give general operating support?
Not in 2025: none of the 10 grants with a stated purpose on Eugene C and Wiletta F Denton's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Further the Org's Mission" (10 grants).
Who are Eugene C and Wiletta F Denton's largest grantees?
Eugene C and Wiletta F Denton's largest 2025 grantees include Interfaith Community Services ($11,000), Recenter ($5,000) and Mobile Meals ($4,000), according to its 2025 IRS Form 990-PF. Together they received 48% of its itemized 2025 grant dollars.
How large is Eugene C and Wiletta F Denton?
Eugene C and Wiletta F Denton reported $2.1M in total assets on its 2025 IRS Form 990-PF. It paid out $123K in qualifying distributions that year, against a required minimum of $105K (roughly 5% of its investment assets).
What does Eugene C and Wiletta F Denton fund?
The foundation’s listed 2025 grantees include organizations with varied missions. Interfaith Community Services describes its mission as providing pathways to more stable and self-sufficient lives. See mission & focus areas ↑
How do I apply for a grant from Eugene C and Wiletta F Denton?
The foundation does not accept unsolicited requests for funds; it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Eugene C and Wiletta F Denton's EIN?
Eugene C and Wiletta F Denton's EIN (Employer Identification Number) is 86-0919400. IRS Form 990 filing data is available on this page for 2020–2025.
Does Eugene C and Wiletta F Denton 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 September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 27, 2026)
- IRS filings on file for fiscal years 2020–2024
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