Richard King Mellon Foundation
The Richard King Mellon Foundation funds initiatives that advance prosperity in Southwestern Pennsylvania and conservation across the United States. The foundation’s site notes it has awarded over 8,500 grants and outlines a 2021–2030 strategic plan to award more than $1.2 billion in grants and program-related investments.
Source: Website · Mar 2026
Ideal Applicant
A tax-exempt nonprofit or government entity proposing work that advances prosperity in Southwestern Pennsylvania or conservation in the foundation’s focal landscapes, with clearly defined outputs, measurable outcomes, and an evaluation plan.
Good Fit
- • Programs or capital projects benefiting Southwestern Pennsylvania (regional economic development, education, youth services, parks/trails).
- • Conservation initiatives in the foundation’s stated landscapes or national conservation projects with clear impact metrics.
- • Proposals that include concrete outputs, evaluation approaches, and capacity for multi-year work.
- • Established organizations or public entities able to manage large grants or participate in partnership efforts.
Geography
Observed giving is heavily concentrated in the foundation's home state (about 79% of dollars) but grants in the latest year reached organizations across 23 states, indicating regional focus with some national conservation investments.
Recipient Variety
In the latest year the foundation made nearly 300 grants to 233 distinct recipients spanning education, conservation, health, workforce and community development, and arts/culture; dollar concentration exists at the top but many independent organizations were funded.
New Applicants
Direct evidence of openness includes a public online general application (rolling acceptance) and a high number of new recipients in the latest year (151 new grantees), so unfamiliar applicants appear plausibly able to enter the portfolio.
Source: Zeffy Agent · Mar 2026
