The Duffield Family Foundation
Maddie's Fund (The Duffield Family Foundation) is a California-based family foundation (Pleasanton, CA) focused on animal welfare. The organization provides grants, training (Maddie's University), resources, and convening programs to support shelters and keep pets and people together.
Source: Website · Mar 2026
Ideal Applicant
An animal-welfare organization (shelter, rescue, shelter-medicine program, training provider, or university research partner) with clear program alignment to keeping pets and people together, capacity to manage grant reporting, and a U.S.-based presence.
Good Fit
- • Work focused on animal sheltering, foster networks, veterinary access, or community-based pet retention.
- • Requests for operating support, training, conference scholarships, or program pilot funding.
- • Capacity to participate in or leverage Maddie’s training and convening programs.
- • U.S. presence (or partnership) — the foundation funds organizations across many states.
Geography
Observed grants in the latest year reached recipients in 46 states and less than a quarter of dollars remained in California, indicating a broad national footprint.
Recipient Variety
In the latest year the funder issued 298 grants to 242 distinct recipients, including many small awards plus several large institutional grants, showing a wide and diverse recipient set.
New Applicants
There is a public application portal and contact information, and 176 new recipients appeared in the latest year, which together provide strong behavioral and practical evidence that unfamiliar applicants can access funding.
Source: Zeffy Agent · Mar 2026
