Private foundation · EIN 30-0712271 · Jupiter, Florida · Philanthropy & grantmaking

Katherine Harding Wunder Foundation

Should you approach them?

Yes, approach them if your work fits its grantee list. The foundation accepts applications (NONE) and its median grant is $7,500.

From the 2025 Form 990-PF: 8 grants paid, $70K total, median $7,500. 38% of grants stayed in Florida. Stated restrictions: NONE

Accepts applications
Yes
per 990-PF Part XV
Grants paid, 2025
8
$70K
Median grant
$7,500
Stays in FL
38%
of grants
Deadline
NONE
Assets
$1.8M

How to apply

In writing to the above mentioned address Contact: William P Wunder Sr, 16696 Narrows Drive, Jupiter, Fl, 5617431336 Deadlines: NONE Restrictions: NONE

Quoted from Part XV of the foundation's 2025 Form 990-PF; the full text is in the filing. Confirm on the foundation's website before you write.

Grants paid in 2025

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

RecipientPurposeAmount
Jupiter Medical Center FoundationJupiter, FLGeneral fund$15K
Destination TheatreAtlanta, GAGeneral fund$15K
Your Dog's FriendRockville, MDGeneral fund$14K
Maltz Jupiter TheatreJupiter, FLGeneral fund$10K
Jl CaresJupiter, FLGeneral fund$5,000
Angels Among US Pet RescueAlpharetta, GAGeneral fund$5,000
C&o Canal TrustHagerstown, MDGeneral fund$3,500
Therapeutic Riding CenterGlenwood, MDGeneral fund$2,500

By state: Florida 3 · Maryland 3 · Georgia 2

About this foundation

Katherine Harding Wunder Foundation is a private grantmaking foundation in Jupiter, Florida, tax-exempt since 2012. 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 Katherine Harding Wunder Foundation accept grant applications?

Yes. On its 2025 Form 990-PF the foundation indicates it accepts applications. In writing to the above mentioned address Deadlines: NONE.

How much does Katherine Harding Wunder Foundation give each year?

In tax year 2025 it paid $70K across 8 grants, a median of $7,500.

Where does Katherine Harding Wunder Foundation give?

Florida (3 grants), Maryland (3 grants), Georgia (2 grants), per its latest filing.

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