Public Charity

SAVE MOUNT DIABLO

Based in WALNUT CREEK, CA, SAVE MOUNT DIABLO operates as a Public Charity. The organization reported $6.0M in revenue, $4.0M in expenses, $29.4M in total assets for fiscal year 2025. Imperigo tracks 66 reported grant relationships connected to this organization totaling approximately $3.7M.

EIN: 942681735 WALNUT CREEK, CA Parks & Playgrounds NTEE: N32 Latest filing: 2025
Total Revenue$6.0M
Total Expenses$4.0M
Total Assets$29.4M
Grant Records66
Funding Total$3.7M
Filing Years2020–2025

Mission

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.

Where $100 goes at Save Mount Diablo

How Save Mount Diablo divides every $100 it spends, from its own Form 990 filings, averaged across 6 years.

$60 Programs the work itself
$21 Management running the organization
$19 Fundraising raising the next dollar

Inside the $60 for programs

$24
Land acquisition & land use
40% of program spending · Reported in the filing: 150 individuals
$21
Stewardship
35% of program spending · Reported in the filing: 685 volunteers; 5,996 hours of service; 10,000 trees
$15
Education & outreach and recreation
25% of program spending · Reported in the filing: 14 events
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

DIRECTOR Achilleus Tiu
DIRECTOR Amara Morrison
DIRECTOR Bob Marx
TREASURER (THROUGH 3/2025) Burt Bassler
DIRECTOR Claudia Hein
TREASURER (START 3/2025) Doug Matthew

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$2,468,552 36 grants
Human & Social Services
$576,024 7 grants
Environment & Conservation
$332,336 11 grants
Health & Medicine
$150,000 4 grants
Sports & Recreation
$110,000 2 grants

Financial Trends

Year Revenue Expenses Assets
2025 $6.0M $4.0M $29.4M
2024 $6.0M $3.5M $27.5M
2023 $3.4M $3.5M $24.2M
2021 $3.8M $3.4M $23.8M
2020 $4.4M $2.7M $22.5M

Between 2020 and 2025, reported annual revenue grew from $4.4M to $6.0M (+36%), with total assets most recently reported at $29.4M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for SAVE MOUNT DIABLO

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