The Ossining Historical Society and museum INC was originally organized in 1931 as a not-for-profit organization with the following objectives: to educate the public in the history and traditions of Ossining and vicinity. To receive and maintain a collection of books, manuscripts, pictures, Historical records, relics and other memorials bearing upon local and general history.

501(c)(3) charity; gifts are tax-deductible.
85¢ of each $1 spent went to programs.
Run by 29 volunteers.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

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FY2024 · 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
FY2024
latest Form 990
Looks good: the latest return is for FY2024, 2 tax years back; within 2 tax years.
IRS e-file · Filing history
Surplus or deficit
0 of 4
filings with a surplus
Average deficit $24K a year · 89% of revenue · last 4 filings
Concern: a surplus in 0 of the last 4 filings.
Pt I · Ln 19 · 4 filings
Spent on programs
85%
of spending
Looks good: 85% of spending went to programs; 75% or more.
Pt IX · Ln 25 · col B
4 mo
of spending, in cash
Plus $323K in investments, Pt X · Ln 11–13
Looks good: 4.3 months of spending in cash; 3 or more.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
1
named funder · $54
Fine: 1 funder names it on their filings; under 3.
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
14
of 14 voting members
Looks good: 14 of 14 voting members are independent, a majority.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$20K
-17% vs prior year
Spent
$38K
To programs
85%
Net assets
$604K
By yearFY2021–FY2024
Revenue
$20K
FY2024▼ -17%
Tap a bar for its year
Revenue by fiscal year
FY2021$37K
FY2022$24K
FY2023$25K
FY2024$20K
Expenses
$38K
FY2024-0.5%
Tap a bar for its year
Expenses by fiscal year
FY2021$76K
FY2022$49K
FY2023$38K
FY2024$38K
Net assets
$604K
FY2024▼ -2%
Tap a bar for its year
Net assets by fiscal year
FY2021$702K
FY2022$614K
FY2023$618K
FY2024$604K

From the FY2024 Form 990 (year ending September 2024) · see the original

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Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2024. IRS ruling in Apr 1975.

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

Where the money goes

85 cents of each dollar spent went to programs.

Program services 85% · $32K Management & general 15% · $6K

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

14 people listed on the 990.

Part VII, Section A · reportable compensation · most recent filed roster (FY2023); the FY2024 filing did not itemize Part VII
President
$0Pt VII · Sec A
Vice 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
See Ossining Historical Society 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

Educates the public and preserves local history through collections and exhibits.

Questions for Ossining Historical Society

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Provided by the organization

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1 program · $32K · in their own filed words · FY2023
01

The museum has hosted open houses for the public. They have performed research and answered queries from the community.

$32Kprogram expense

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 · FY2023
Total grants receivedfrom 1 funder$54

By the numbers

The FY2024 990, line by line.

1The main four
Money inPt VIII
$20K
Ln 12
Investment incomeLn 3$13K
Gifts and grantsLn 1h$7K
Fees for servicesLn 2g$405
Money outPt IX
$38K
Ln 25
Programscol B$32K
Managementcol C$6K
Owns and owesPt X
$604K
net assets · Ln 32
Cash and savingsLn 1–2$14K
Total assetsLn 16$604K
LiabilitiesLn 26$0
PeoplePt VI, VII
14
listed · VII A
PaidVII A0
Voting boardVI 1a14
IndependentVI 1b14
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$7K
Fees for servicesLn 2g$405
Investment incomeLn 3$13K
Gains on assetsLn 7$181
Total revenueLn 12$20K
Assets in detailPt X, end of year
CashLn 1$12K
SavingsLn 2$2K
Cash and savings togetherLn 1–2$14K
InvestmentsLn 11–13$323K
Land, buildings, equipmentLn 10c$90K
Other assetsLn 15$178K
Total assetsLn 16$604K
LiabilitiesLn 26$0
Net assetsLn 32$604K
OperationsPt I, VI
EmployeesI 50
VolunteersI 629
Fiscal year endsHeaderSeptember
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 FY24End FY24
Cash and savingsLn 1–2$13K$14K
InvestmentsLn 11–13$337K$323K
Land, buildings, equipmentLn 10c$90K$90K
Total assetsLn 16$618K$604K
LiabilitiesLn 26$0$0
Net assetsLn 32$618K$604K
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$2K$2K
Lobbying feesLn 11d$0
Professional fundraising feesLn 11e$0
Investment management feesLn 11f$4K$4K
Other fees for servicesLn 11g$0
Advertising and promotionLn 12$0
Office expensesLn 13$3K$3K
Information technologyLn 14$0
RoyaltiesLn 15$0
OccupancyLn 16$20K$20K
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$9K$9K
All other expensesLn 24e$0
Total functional expensesLn 25$38K$32K$6K$0

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2024 Latest Viewing $20K$38K−$18K$604K 990 PDF
FY2023 $25K$38K−$14K$618K 990 PDF
FY2022 $24K$49K−$25K$614K 990 PDF
FY2021 $37K$76K−$39K$702K 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 FY2024 990 (6 parts)
Part I · Summary $20,397 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $9,628$7,085
I-9 Program service revenuePrior year $449$405
I-10 Investment incomePrior year $11,447$13,171
I-11 Other revenuePrior year $3,165−$264
I-12 Total revenuePrior year $24,689$20,397
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 $38,434$38,158
I-18 Total expensesPrior year $38,434$38,158
I-19 Revenue less expensesPrior year −$13,745−$17,761
Part VI · Governance 14 of 14 board members independent, 4 to look at
VI-1a Voting members of the governing body14
VI-1b Independent voting members14
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 $20,397 across 10 lines filed
Lines not itemized here account for $41 of total revenue; see the IRS return.
VIII-1b Membership dues$6,795
VIII-1f All other contributions, gifts and grants$290
VIII-1h Total contributions, gifts and grants$7,085
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $405$405
VIII-3 Investment incomeRelated to mission $12,990$12,990
VIII-5 RoyaltiesRelated to mission $120$120
VIII-6 Net rental income or loss$0
VIII-7 Net gain or loss on sales of assetsRelated to mission $181$181
VIII-8 Net income from fundraising events−$425
VIII-12 Total revenueRelated to mission $13,737$20,397
Part IX · Statement of functional expenses $38,158 across 30 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 $1,980$1,980
IX-11d Lobbying fees$0
IX-11f Investment management feesManagement $3,874$3,874
IX-12 Advertising and promotion$0
IX-13 Office expensesPrograms $2,510$2,510
IX-14 Information technology$0
IX-15 Royalties$0
IX-16 OccupancyPrograms $20,458$20,458
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 $9,336$9,336
IX-24e All other expenses$0
IX-25 Total functional expensesPrograms $32,304 · Management $5,854 · Fundraising $0$38,158
Part X · Balance sheet $604,218 assets, 17 lines filed
X-1 Cash, non-interest-bearingStart of year $12,577$11,593
X-2 Savings and temporary cash investments$2,003
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 $90,000$90,000
X-11 Publicly traded securitiesStart of year $337,246$322,757
X-12 Other securities$0
X-13 Program-related investments$0
X-14 Intangible assets$0
X-15 Other assetsStart of year $177,865$177,865
X-16 Total assetsStart of year $617,688$604,218
X-26 Total liabilitiesStart of year $0$0
X-27 Net assets without donor restrictionsStart of year $617,688$604,218
X-32 Total net assets or fund balancesStart of year $617,688$604,218
X-33 Total liabilities and net assetsStart of year $617,688$604,218
Part XI · Reconciliation of net assets $604,218 net assets at year end
XI-1 Total revenue$20,397
XI-2 Total expenses$38,158
XI-3 Revenue less expenses−$17,761
XI-4 Net assets at start of year$617,688
XI-5 Net unrealized gains (losses) on investments$4,291
XI-10 Net assets at end of year$604,218

Form 990 e-file (XML) FY2024 from the IRS · Classification, formation year and address from the IRS Business Master File

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