SAVE MOUNT DIABLO

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SAVE MOUNT DIABLO is a nonprofit organization dedicated to preserving the natural beauty, biological diversity, and historical heritage of Mount Diablo and its surrounding areas. With an operating budget of $3.9 million and total revenue of $6 million for the 2025 filing year, the organization focuses on land acquisition and preservation strategies that enhance the quality of life in the region while providing educational and recreational opportunities. It does not rely on a single funder for 50% or more of its revenue. For more information, visit www.savemountdiablo.org.
Mission Statement
SAVE MOUNT DIABLO'S MISSION IS TO PRESERVE MOUNT DIABLO'S PEAKS, SURROUNDING FOOTHILLS, AND WATERSHEDS; AND ITS SUSTAINING DIABLO RANGE, THROUGH LAND ACQUISITION AND PRESERVATION STRATEGIES DESIGNED TO PROTECT THE MOUNTAIN'S NATURAL BEAUTY, BIOLOGICAL DIVERSITY, AND HISTORIC AND AGRICULTURAL HERITAGE; ENHANCE OUR AREA'S QUALITY OF LIFE; AND PROVIDE EDUCATIONAL AND RECREATIONAL OPPORTUNITIES CONSISTENT WITH PROTECTION OF NATURAL RESOURCES.
Cause Areas
1
Parks
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Charity Verification Snapshot
IRS EO Business Master File Status
Listed as tax-exempt
IRS Pub 78 Status
Eligible for tax-deductible gifts
IRS Revocation Status
Not in Automatic Revocation of Exemption List
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Frequently Asked Questions
What is SAVE MOUNT DIABLO’s budget?
In 2025, SAVE MOUNT DIABLO reported an annual operating budget of around $3.9 million. More detailed financial information is available to registered users.
What causes does SAVE MOUNT DIABLO support?
SAVE MOUNT DIABLO supports work in Parks.
Where does SAVE MOUNT DIABLO operate?
SAVE MOUNT DIABLO is headquartered in Walnut Creek, CA.
Who funded SAVE MOUNT DIABLO recently?
In 2025, SAVE MOUNT DIABLO received grants from AMERICAN ONLINE GIVING FOUNDATION INC, NATHAN M OHRBACH FOUNDATION, and THE GEORGE & WILMA LEONARD CHARITABLE FOUNDATION. More information on this organization’s funders is available to registered users.
What is the largest grant SAVE MOUNT DIABLO received in 2024?
The largest grant to SAVE MOUNT DIABLO in 2024 exceeds $1 million.
What is SAVE MOUNT DIABLO’s reliance on government grants?
SAVE MOUNT DIABLO relied on government grants for more than 10% of their total revenue in 2025.
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