Louise Arnold Maddux
LOUISE ARNOLD MADDUX is a private foundation based in Santa Fe, New Mexico. Its 2025 filing reports cash donations to nonprofit organizations, including groups working in environmental conservation, animal welfare, food access, humanitarian response, and other areas.
Key facts about Louise Arnold Maddux
In short: Louise Arnold Maddux gave $46K across 46 grants in 2025 (avg $1K), top state New Mexico. 33% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 85-0405509
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $46,000
- Grants made (2025)
- 46
- Average grant
- $1,000
- Median grant
- $1,000
- New grantees (estimate)
- 33% first-time grantees (15 of 46, 2025)
- Total assets
- $1,021,278
- Primary geography
- New Mexico (43% of itemized 2025 grant dollars)
- Accepts unsolicited proposals
- No
- How to apply
- The foundation does not accept unsolicited requests for funds. Full details ↓
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$1.0M
+12.9% YoY
Annual Giving
$46K
+35.3% YoY
Grant Count
46
+35.3% YoY
Avg Grant Size
$1K
+0.0% YoY
Under IRS private-foundation payout rules, Louise Arnold Maddux reported a distributable amount of $46K for 2025 — the minimum it must pay out in qualifying distributions.
Is Louise Arnold Maddux open to new grantees?
33%
first-time grantees, 2025
In 2025, 15 of 46 grantees (33%) were first-time recipients. First grants averaged $1K; repeat grants $1K. How we count
Medians: $1K first-time, $1K repeat.
- 65% of 2025 grantees were also funded in 2024. Method
- Giving grew 39% from 2022 to 2025. Method
- In 2025 it paid out 111% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No mission statement for the foundation is available here. Its 2025 grantees illustrate a range of supported work. For example, Trees for the Future says its mission is to improve the livelihoods of impoverished farmers by revitalizing degraded lands, while Ocean Conservancy says it unites science, people, and policy to protect the ocean. Tree New Mexico describes its work as helping communities throughout New Mexico plant and care for urban canopy trees. These are the grantees’ stated missions, not a stated mission of the foundation.
Grantmaking
In 2025, the foundation reported 46 grants totaling $46,000. Each grant was $1,000. Grantees included Earth Care, Española Valley Animal Shelter, Friends of the Rio Grande, and Heart & Soul Animal Sanctuary, each receiving $1,000. Other 2025 recipients included Trees for the Future, Ocean Conservancy, Tree New Mexico, Los Alamos Study Group, New River Land Trust, Reunity Resources, Urban Growers Collective, and World Central Kitchen, each receiving $1,000.
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Geographic Focus
Where this funder awards grants
The foundation is based in Santa Fe, New Mexico. In 2025, 43% of its grant dollars went to recipients in New Mexico. Other leading recipient states or jurisdictions were the District of Columbia (9%), Colorado (7%), Virginia (7%), and California (7%).
Grant Distribution by State
Share of all 46 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
170 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 350ORG Boston, MA | GENERAL CONTRIBUTION | $1,000 |
| AMERICAN RIVERS INC Washington, DC | GENERAL CONTRIBUTION | $1,000 |
| CHICAGO ECO HOUSE Chicago, IL | GENERAL CONTRIBUTION | $1,000 |
| CONEJOS COUNTY CLEAN WATER Antonito, CO | GENERAL CONTRIBUTION | $1,000 |
| DENVER URBAN GUARDIANS Denver, CO | GENERAL CONTRIBUTION | $1,000 |
| DOCTORS WITHOUT BORDERS Hagerstown, MD | GENERAL CONTRIBUTION | $1,000 |
| EARTH CARE Santa Fe, NM | GENERAL CONTRIBUTION | $1,000 |
| ESPANOLA VALLEY ANIMAL SHELTER Espanola, NM | GENERAL CONTRIBUTION | $1,000 |
| FRIENDS OF THE RIO GRANDE Albuquerque, NM | GENERAL CONTRIBUTION | $1,000 |
| FRIENDS VILLAGE Newtown, PA | GENERAL CONTRIBUTION | $1,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants |
|---|---|---|---|---|
| 2025 | $1,021,278 | $80,406 | $56,716 | $46,000 |
| 2024 | $904,621 | $26,552 | $43,483 | $34,000 |
| 2023 | $773,103 | $12,000 | $43,299 | $32,000 |
In 2025, the foundation reported 46 grants; in 2024, 34; and in 2023, 32.
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $1,021,278 | $904,621 | $773,103 |
| Revenue | $80,406 | $26,552 | $12,000 |
| Expenses | $56,716 | $43,483 | $43,299 |
| Qualifying Distributions | $51,355 | $38,724 | $36,737 |
| Net Investment Income | $20,974 | $21,793 | $21,274 |
| Distributable Amount | $46,296 | $41,377 | $36,557 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 10, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists IVE as trustee.
Louise Arnold Maddux is led by Ive, Trustee on the 2025 filing — the only officer listed, and compensated.
Officers on the 2025 filing
Ive
Trustee
New on the 2025 filing
$9K (2025)
Former officers (1)
- Former: Colette Muller Lee (2019–2024) — Trustee
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.
Compensation Overview
From 2025 IRS filing
Contact
Mailing address: 103 Camino Cabo, Santa Fe, NM 87508
Phone: (505) 660-8809
Frequently asked questions about Louise Arnold Maddux
How much does Louise Arnold Maddux give each year?
Louise Arnold Maddux gave $46K across 46 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $34K across 34 grants.
What is Louise Arnold Maddux's typical grant size?
Louise Arnold Maddux's median grant in 2025 was $1,000, and its average grant was $1,000, across 46 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Louise Arnold Maddux that year got $1K on average.
Where does Louise Arnold Maddux give grants?
Louise Arnold Maddux's top state is New Mexico, with 43% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were District of Columbia (9%) and Colorado (7%). The most frequent recipient cities were Santa Fe, NM (10 grants), Albuquerque, NM (5 grants), Washington, DC (4 grants) and Blacksburg, VA (3 grants).
Does Louise Arnold Maddux give general operating support?
Yes: 96% of Louise Arnold Maddux's 2025 grants with a stated purpose (44 of 46) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Louise Arnold Maddux's largest grantees?
Louise Arnold Maddux's largest 2025 grantees include 350ORG ($1,000), American Rivers Inc ($1,000) and Chicago Eco House ($1,000), according to its 2025 IRS Form 990-PF. Together they received 7% of its itemized 2025 grant dollars.
How large is Louise Arnold Maddux?
Louise Arnold Maddux reported $1.0M in total assets on its 2025 IRS Form 990-PF. It paid out $51K in qualifying distributions that year, against a required minimum of $46K (roughly 5% of its investment assets).
What does Louise Arnold Maddux fund?
No mission statement for the foundation is available here. Its 2025 grantees illustrate a range of supported work. For example, Trees for the Future says its mission is to improve the livelihoods of impoverished farmers by revitalizing degraded lands, while Ocean Conservancy says it unites science, people, and policy to protect the ocean. Tree New Mexico describes its work as helping communities throughout New Mexico plant and care for urban canopy trees. These are the grantees’ stated missions…
How do I apply for a grant from Louise Arnold Maddux?
The foundation 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 Louise Arnold Maddux's EIN?
Louise Arnold Maddux's EIN (Employer Identification Number) is 85-0405509. IRS Form 990 filing data is available on this page for 2019–2025.
Does Louise Arnold Maddux accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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