Providing a place for outdoor recreation and engagement with its natural landscape while safeguarding its biodiversity, protecting wildlife, conserving its historic buildings, inspiring the arts and fostering environmental stewardship.

501(c)(3) charity; gifts are tax-deductible.
93¢ of each $1 spent went to programs.
Run by 18 volunteers.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

Before you give

FY2025 · Form 990Independent: from IRS data, not the org
Download 990
IRS status
501(c)(3)
not on the IRS revocation list
Looks good: listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
Yes
Donations are tax-deductible
Looks good: the IRS lists gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2025
latest Form 990
Looks good: the latest return is for FY2025, 1 tax year back; within 2 tax years.
IRS e-file · Filing history
Surplus or deficit
4 of 4
filings with a surplus
Average surplus $138K a year · 74% of revenue · last 4 filings
Looks good: a surplus in 4 of the last 4 filings.
Pt I · Ln 19 · 4 filings
Spent on programs
93%
of spending
Looks good: 93% of spending went to programs; 75% or more.
Pt IX · Ln 25 · col B
20 mo
of spending, in cash
Looks good: 19.9 months of spending in cash; 3 or more.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
5
named funders · $35K
Looks good: 5 funders name it on their filings; 3 or more.
Funders’ Sch. I, 990-PF
Liabilities
$0
0% of total assets
Looks good: liabilities are 0% of assets; 50% or less.
Pt X · Ln 26
Independent board members
13
of 13 voting members
Looks good: 13 of 13 voting members are independent, a majority.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$153K
-59% vs prior year
Spent
$62K
To programs
93%
Net assets
$865K
By yearFY2020–FY2025
Revenue
$153K
FY2025▼ -59%
Tap a bar for its year
Revenue by fiscal year
FY2020$71K
FY2021$103K
FY2022$105K
FY2023$118K
FY2024$370K
FY2025$153K
Expenses
$62K
FY2025▼ -26%
Tap a bar for its year
Expenses by fiscal year
FY2020Not on file
FY2021Not on file
FY2022$26K
FY2023$23K
FY2024$83K
FY2025$62K
Net assets
$865K
FY2025▲ +22%
Tap a bar for its year
Net assets by fiscal year
FY2020$114K
FY2021$194K
FY2022$237K
FY2023$377K
FY2024$711K
FY2025$865K

From the FY2025 Form 990 · see the original

Give Claim

Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Feb 1981.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

93 cents of each dollar spent went to programs.

Program services 93% · $57K Management & general 7% · $5K

Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.

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Who runs it and what they're paid

13 people listed on the 990.

Part VII, Section A · reportable compensation
President
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
Director
$0Pt VII · Sec A
See Marsh Sanctuary INC executive salaries →

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Questions the 990 asks

The form asks each of these directly. These are the filed answers.

  • Family or business ties among officersPt VI · Ln 2No
  • Top official's pay set by an independent reviewPt VI · Ln 15aNo

Programs and updates

Protects nature, wildlife, and historic buildings while inspiring arts and environmental care.

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Provided by the organization

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3 programs · $57K · in their own filed words · FY2025
01

Marsh Sanctuary is a 156 acre nature and wildlife preserve with hiking trails, open space and a commitment to the preservation of wildlife which is open to the public all year round free of charge.

$54Kprogram expense
02

Rewilding School. Marsh Sanctuary in coordination with the Rewilding School provides educational programs with an emphasis on nature and the environment.

$3Kprogram expense
03

Community Garden. Marsh Sanctuary provides 40 garden plots to local gardeners who maintain their gardens organically.

Pt IX · col B

Funders

Who pays for it.

From grant filings on record. Receipts are incomplete: individual donors are never listed.

Grants

Schedule I · funders on record
Grants received · FY2024
See all 5 funders →

By the numbers

The FY2025 990, line by line.

1The main four
Money inPt VIII
$153K
Ln 12
Gifts and grantsLn 1h$72K
Other incomeLn 4–11$42K
Fees for servicesLn 2g$24K
Money outPt IX
$62K
Ln 25
Programscol B$57K
Managementcol C$5K
Owns and owesPt X
$865K
net assets · Ln 32
Cash and savingsLn 1–2$102K
Total assetsLn 16$865K
LiabilitiesLn 26$0
PeoplePt VI, VII
13
listed · VII A
PaidVII A0
Voting boardVI 1a13
IndependentVI 1b13
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$72K
Fees for servicesLn 2g$24K
Investment incomeLn 3$14K
Other incomeLn 4–11$42K
Gains on assetsLn 7−$2K
Total revenueLn 12$153K
Assets in detailPt X, end of year
CashLn 1$102K
SavingsLn 2$0
Cash and savings togetherLn 1–2$102K
InvestmentsLn 11–13$679K
Land, buildings, equipmentLn 10c$84K
Other assetsLn 15$0
Total assetsLn 16$865K
LiabilitiesLn 26$0
Net assetsLn 32$865K
OperationsPt I, VI
EmployeesI 50
VolunteersI 618
Fiscal year endsHeaderDecember
Conflict-of-interest policyVI 12aNo
Whistleblower policyVI 13No
Records policyVI 14No
3Year over year
Balance sheet, start vs end of yearPt X · col A, B
LineStart FY25End FY25
Cash and savingsLn 1–2$50K$102K
InvestmentsLn 11–13$581K$679K
Land, buildings, equipmentLn 10c$84K$84K
Total assetsLn 16$715K$865K
LiabilitiesLn 26$4K$0
Net assetsLn 32$711K$865K
4Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Grants to domestic organizationsLn 1$0
Grants to domestic individualsLn 2$0
Grants and assistance to foreign recipientsLn 3$0
Benefits paid to or for membersLn 4$0
Pay of current officers, directors and key staffLn 5$0
Pay of disqualified personsLn 6$0
Other salaries and wagesLn 7$0
Pension plan contributionsLn 8$0
Other employee benefitsLn 9$0
Payroll taxesLn 10$0
Management feesLn 11a$0
Legal feesLn 11b$0
Accounting feesLn 11c$4K$4K
Lobbying feesLn 11d$0
Professional fundraising feesLn 11e$0
Investment management feesLn 11f$0
Other fees for servicesLn 11g$0
Advertising and promotionLn 12$0
Office expensesLn 13$0
Information technologyLn 14$0
RoyaltiesLn 15$0
OccupancyLn 16$3K$3K
TravelLn 17$0
Travel and entertainment for public officialsLn 18$0
Conferences, conventions and meetingsLn 19$0
InterestLn 20$0
Payments to affiliatesLn 21$0
Depreciation, depletion and amortizationLn 22$0
InsuranceLn 23$1K$1K
Other expenses (24a–d)Ln 24$53K$52K$125
All other expensesLn 24e$0
Total functional expensesLn 25$62K$57K$5K$0

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest Viewing $153K$62K$91K$865K 990 PDF
FY2024 $370K$83K$288K$711K 990 PDF
FY2023 $118K$23K$95K$377K 990 PDF
FY2022 $105K$26K$79K$237K 990 PDF
FY2021 $103K$194K 990 PDF
FY2020 $71K$114K 990 PDF

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Schedules filed Part IV

III · Programs R · Related orgs G · Fundraising L · Interested persons I · Grants A · Public support O · Explanations
See the full FY2025 990 (6 parts)
Part I · Summary $152,767 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $275,099$72,233
I-9 Program service revenuePrior year $26,619$24,100
I-10 Investment incomePrior year $16,703$14,134
I-11 Other revenuePrior year $52,000$42,300
I-12 Total revenuePrior year $370,421$152,767
I-13 Grants and similar amounts paid$0
I-14 Benefits paid to members$0
I-15 Salaries and benefits$0
I-16a Professional fundraising fees$0
I-17 Other expensesPrior year $82,759$61,617
I-18 Total expensesPrior year $82,759$61,617
I-19 Revenue less expensesPrior year $287,662$91,150
Part VI · Governance 13 of 13 board members independent, 4 to look at
VI-1a Voting members of the governing body13
VI-1b Independent voting members13
VI-12a Written conflict of interest policyNo
VI-13 Written whistleblower policyNo
VI-14 Document retention and destruction policyNo
VI-15a Process for setting top official's payNo
VI-2 Family or business relationship among officers or directorsNo
Part VIII · Statement of revenue $152,767 across 9 lines filed
VIII-1f All other contributions, gifts and grants$72,233
VIII-1h Total contributions, gifts and grants$72,233
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $24,100$24,100
VIII-3 Investment incomeExcluded from tax $15,757$15,757
VIII-5 Royalties$0
VIII-6 Net rental income or lossExcluded from tax $42,300$42,300
VIII-7 Net gain or loss on sales of assetsExcluded from tax −$1,623−$1,623
VIII-8 Net income from fundraising events$0
VIII-12 Total revenueRelated to mission $24,100 · Excluded from tax $56,434$152,767
Part IX · Statement of functional expenses $61,617 across 31 lines filed
IX-1 Grants to domestic organizations$0
IX-2 Grants to domestic individuals$0
IX-3 Grants and assistance to foreign recipients$0
IX-4 Benefits paid to or for members$0
IX-5 Pay of current officers, directors and key staff$0
IX-6 Pay of disqualified persons$0
IX-7 Other salaries and wages$0
IX-8 Pension plan contributions$0
IX-9 Other employee benefits$0
IX-10 Payroll taxes$0
IX-11a Management fees$0
IX-11b Legal fees$0
IX-11c Accounting feesManagement $4,450$4,450
IX-11d Lobbying fees$0
IX-11f Investment management fees$0
IX-12 Advertising and promotion$0
IX-13 Office expenses$0
IX-14 Information technology$0
IX-15 Royalties$0
IX-16 OccupancyPrograms $3,113$3,113
IX-17 Travel$0
IX-18 Travel and entertainment for public officials$0
IX-19 Conferences, conventions and meetings$0
IX-20 Interest$0
IX-21 Payments to affiliates$0
IX-22 Depreciation, depletion and amortization$0
IX-23 InsurancePrograms $1,474$1,474
IX-24 Other expenses (24a–d)Programs $52,455 · Management $125$52,580
IX-24e All other expenses$0
IX-25 Total functional expensesPrograms $57,042 · Management $4,575 · Fundraising $0$61,617
Part X · Balance sheet $865,073 assets, 17 lines filed
X-1 Cash, non-interest-bearingStart of year $49,991$102,008
X-2 Savings and temporary cash investments$0
X-3 Pledges and grants receivable$0
X-4 Accounts receivable$0
X-8 Inventories for sale or use$0
X-9 Prepaid expenses and deferred charges$0
X-10c Land, buildings and equipment, netStart of year $84,489$84,489
X-11 Publicly traded securitiesStart of year $580,684$678,576
X-12 Other securities$0
X-13 Program-related investments$0
X-14 Intangible assets$0
X-15 Other assets$0
X-16 Total assetsStart of year $715,164$865,073
X-26 Total liabilitiesStart of year $4,000$0
X-27 Net assets without donor restrictionsStart of year $711,164$865,073
X-32 Total net assets or fund balancesStart of year $711,164$865,073
X-33 Total liabilities and net assetsStart of year $715,164$865,073
Part XI · Reconciliation of net assets $865,073 net assets at year end
XI-1 Total revenue$152,767
XI-2 Total expenses$61,617
XI-3 Revenue less expenses$91,150
XI-4 Net assets at start of year$711,164
XI-5 Net unrealized gains (losses) on investments$58,947
XI-8 Prior period adjustments$3,812
XI-10 Net assets at end of year$865,073

Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File

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