Charity Search / SONOMA MOUNTAIN INSTITUTE
Environment (C34) 990 on File

SONOMA MOUNTAIN INSTITUTE

EIN: 47-0875432 · SANTA ROSA, CA 95404-4606 · United States · FY 2023 Data
3 out of 5 49 / 100 Based on 2+ years of filings
Financial strength (30%) 86/100
Reliability (20%) 55/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2023 · Scored 9/13/2026
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CharityAI™ Score
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Financial Overview — FY 2023
$1.2M
Total Revenue
$947K
Total Expenses
$16.4M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 93.1%
Fundraising Efficiency N/A
Operating Reserve 207.52x
Liability-to-Asset 0.1%
Revenue Diversification 95.8%
Executive Compensation $142K
Compared with Peers
FY 2023
Compared with 3,996 similar organizations (United States, Environment, $100K–$1M in expenses), FY 2023.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
93.1% 82.6%
P10P90
Above median
Operating reserve
Months of expenses covered by net assets · higher is better
207.5 mo 13.5 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
0.1% 1.2%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
95.8% 92.8%
P10P90
Below median
Revenue growth
Year over year revenue growth
21.4% 8.9%
P10P90
Expense growth
Year over year expense growth
16.1% 14.5%
P10P90
Surplus margin
Surplus as a share of revenue
23.4% 4.0%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2023 $1.2M $947K $16.4M 93.1%
2022 $1.0M $816K $16.1M 96.2%
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Organization Details
EIN
47-0875432
State
CA
City
SANTA ROSA
ZIP
95404-4606
Classification
C34
Category
Environment
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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