Marin Conservation League
Nonprofit profile at a glance
- EIN
- 946089780
- IRS 990 coverage
- 2014–2025
- Forms available
- Form 990 2025
- Location
- San Rafael, CA, USA
- Phone
- 4154856257
- Rating
- 81
- Verdict
- STRONG
- Rating confidence
- Moderate
- Sector
- Natural Resources Conservation and Protection
Reported finances
- Revenue
- $686,180
- Expenses
- $390,688
- Assets
- $4,096,435
- Liabilities
- $11,483
Source: IRS Form 990. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
20 people listed
Executive titles in this filing
- MIKE SWEZY (President)
Highest reported compensation
- REBECCA SCHWARTZ LESBERG (Executive Dir.): $66,113 total reported compensation
Source: IRS Form 990. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
The mission of marin conservation league is to preserve, protect and enhance the natural assets of marin in a changing environment.
What it reported doing in 2025
The corporation works to preserve, protect and enhance the natural assets of marin county. In 2025, among other things, it produced newsletters, conducted educational activities, and advocated local government to adopt and follow environmentally sound policies.
Operating model
- Revenue model
- Donor-supported. 65% of the money available for current operations came from contributions and gifts.
- Distribution model
- Direct operator. The filing allocates 98% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.
The verdict
STRONG - The filed numbers largely add up and a large share of available resources goes toward mission work. Fundraising costs are high for each dollar raised and some filing-based governance responses are negative or unanswered.
Rating breakdown
- Financial Efficiency: 68
- Transparency & Controls: 94
- Accountability: 84
- Sustainability: 79
- Growth: 100
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 68.2%; rating input score 68
- Program expense ratio: 75.4%; rating input score 75
- Fundraising efficiency: $13.07 raised per $1 spent on fundraising; rating input score 44; 44th percentile among comparable filings
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 63rd percentile among comparable filings
- Pay-setting controls: Limited
- Foreign activity oversight: Limited
- Grant itemization coverage: 100%; rating input score 100; 78th percentile among comparable filings
- Major donor itemization: Yes; rating input score 100
- Related-party transparency: Limited
Accountability
- Independent voting board: 100%; rating input score 100; 64th percentile among comparable filings
- Governance controls: 5 of 8 controls in place; rating input score 62
- Conflict-of-interest policy: Pass
- Whistleblower policy: Pass
- Document-retention policy: Pass
- CEO compensation review process: NotApplicable
- Other executive compensation review process: Fail
- Form 990 shared with the board: Pass
- Board meeting minutes documented: Pass
- Audit committee oversight: Missing
- Independent financial-statement audit: Fail
Sustainability
- Operating margin: 43.1%; rating input score 88; 88th percentile among comparable filings
- Total-asset coverage ratio: 10.49; rating input score 92; 92nd percentile among comparable filings
- Liabilities to assets ratio: 0; rating input score 69; 69th percentile among comparable filings
- Officer compensation ratio: 16.9%; rating input score 21; 21st percentile among comparable filings
Growth
- Program expense growth: 2.4% per year; rating input score 100; 24th percentile among comparable filings
- Revenue growth: 9.7% per year; rating input score 100; 60th percentile among comparable filings
- Asset growth: 5.7% per year; rating input score 100; 39th percentile among comparable filings
Details
- Where the money goes: 68.2% of revenue deployed · 75.4% of spending went to programs
- Governance: 19 of 19 board members independent · 5 of 8 filing controls reported
- Programs: 1 filed program accomplishment · $295K in reported program spending
- Leadership: top reported pay $66K · 20 people listed
- Consistency: 30 of 30 current checks pass
- Schedules: 6 filed schedules · includes major donors and grants
- Filing history: 12 filing years from 2014 to 2025
- Contacts: How to reach this organization
- Money network: 2 filed money-flow records
- Related organizations: 1 filed related-organization link
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- Moderate — Financial Efficiency: Fundraising efficiency scored 44/100.
- Review — Accountability: Governance controls: 2 of 7 not reported.
- High — Sustainability: Officer compensation ratio scored 21/100.