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Maine Audubon Society

Falmouth, Maine · EIN 01-0248780 · Environment · tax-exempt since 1940

C

Charity Clarity grade C (score 57.4 of 100), based on the Form 990 for the year ended April 2025.

Graded against 7,829 environment nonprofits with revenue $2M–$10M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.47.5 months23
GovernanceBoard independence, key policies and audit, per the 990.91% of practices91
Margin stabilityHow steady the surplus or deficit is year to year.25
Revenue spreadHow much revenue rests on one type of income.68% from one source69
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.77.8%not scored
Management costsShare of spending.1.1%not scored
Cost to raise $1Fundraising cost per dollar given.$0.23not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

20152016201720182019202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Apr 2025Form 990$5.98M$5.33M$651K$21.11M47.5103C
Apr 2024Form 990$4.33M$5.29M−$958K$20.57M46.796C
Apr 2023Form 990$5.12M$5.14M−$21K$20.98M49.080C
Apr 2022Form 990$5.56M$3.84M$1.72M$21.14M66.068C
Apr 2021Form 990$3.57M$2.98M$590K$22.09M88.951C
Apr 2020Form 990$5.79M$2.94M$2.85M$17.67M72.278D
Apr 2019Form 990$2.48M$2.78M−$295K$15.99M69.070C
Apr 2018Form 990$2.95M$2.57M$381K$15.34M71.662C
Apr 2017Form 990$1.99M$2.42M−$421K$14.77M73.463C
Apr 2016Form 990$3.75M$2.16M$1.59M$14.02M77.859C
Apr 2015Form 990$2.68M$2.29M$382K$13.08M68.564C

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation:

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