Private foundation · EIN 85-0405509 · Santa Fe, New Mexico

Louise Arnold Maddux Environmental Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 46 grants paid, $46K total, median $1,000. 43% of grants stayed in New Mexico.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
46
$46K
Median grant
$1,000
Stays in NM
43%
of grants
Deadline
—
Assets
$1.0M

Grants paid in 2025

46 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
350orgBoston, MAGeneral contribution$1,000
American Rivers IncWashington, DCGeneral contribution$1,000
Chicago Eco HouseChicago, ILGeneral contribution$1,000
Conejos County Clean WaterAntonito, COGeneral contribution$1,000
Denver Urban GuardiansDenver, COGeneral contribution$1,000
Doctors Without BordersHagerstown, MDGeneral contribution$1,000
Earth CareSanta Fe, NMGeneral contribution$1,000
Espanola Valley Animal ShelterEspanola, NMGeneral contribution$1,000
Friends of the Rio GrandeAlbuquerque, NMGeneral contribution$1,000
Friends VillageNewtown, PAGeneral contribution$1,000
Heart & Soul Animal SanctuarySanta Fe, NMGeneral contribution$1,000
Harlem Grown IncNew York, NYGeneral contribution$1,000
Hermits Peak Watershed AllianceSapello, NMGeneral contribution$1,000
Institute for Applied EcologySanta Fe, NMGeneral contribution$1,000
Land of Enchantment Wildlife FdnSanta Cruz, NMGeneral contribution$1,000
Los Alamos Study GroupAlbuquerque, NMGeneral contribution$1,000
New Mexico Environmental Law CenterAlbuquerque, NMGeneral contribution$1,000
New Mexico Land ConservancySanta Fe, NMGeneral contribution$1,000
New River Land TrustBlacksburg, VAGeneral contribution$1,000
Ocean ConservancyWashington, DCGeneral contribution$1,000
Papahanaaumokuakea Marine Debris ProjectKailua, HIGeneral contribution$1,000
Project Street VetEncinitas, CAGeneral contribution$1,000
Rafi USAPittsboro, NCGeneral contribution$1,000
Rebuilding TogetherBernalillo, NMGeneral contribution$1,000
Reunity ResourcesSanta Fe, NMGeneral contribution$1,000
Rio Grande Community FarmAlbuquerque, NMGeneral contribution$1,000
River LinkAsheville, NCGeneral contribution$1,000
Rocky Mtn Field InstituteColorado Springs, COGeneral contribution$1,000
Santa Fe Watershed AssocSanta Fe, NMGeneral contribution$1,000
Sea Turtle ConservancyGainesville, FLGeneral contribution$1,000
Solar Cookers IntlSacramento, CAGeneral contribution$1,000
Street Homeless Animal ProjectSanta Fe, NMGeneral contribution$1,000
Student Conservation AssocCharleston, NHGeneral contribution$1,000
Sustainable BlacksburgBlacksburg, VAGeneral contribution$1,000
The Blacksburg Friends MeetingBlacksburg, VAGeneral contribution$1,000
The Food DepotSanta Fe, NMGeneral contribution$1,000
The Forestry and Fire Recruitment PAzusa, CAGeneral contribution$1,000
Think New MexicoSanta Fe, NMGenaral contribution$1,000
Tree New MexicoAlbuquerque, NMGeneal contribution$1,000
Trees for the FutureNewark, DEGeneral contribution$1,000
Trout UnlimitedSanta Fe, NMGeneral contribution$1,000
Turquoise Paw Animal RescueShiprock, NMGeneral contribution$1,000
Union of Concerned ScientistsCambridge, MAGeneral contribution$1,000
Urban Growers CollectiveChicago, ILGeneral contribution$1,000
Ward 8 Woods ConservationWashington, DCGeneral contribution$1,000
World Central KitchenWashington, DCGeneral contribution$1,000

By state: New Mexico 20 · District of Columbia 4 · Colorado 3 · Virginia 3 · California 3 · Massachusetts 2

About this foundation

Louise Arnold Maddux Environmental Foundation is a private grantmaking foundation in Santa Fe, New Mexico, administered in care of Colette Lee, tax-exempt since 1993. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Louise Arnold Maddux Environmental Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Louise Arnold Maddux Environmental Foundation give each year?

In tax year 2025 it paid $46K across 46 grants, a median of $1,000.

Where does Louise Arnold Maddux Environmental Foundation give?

New Mexico (20 grants), District of Columbia (4 grants), Colorado (3 grants) and elsewhere, per its latest filing.

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