The "Museum" maintains a mansion, Museum, planetarium, and park for the benefit of the surrounding community.

501(c)(3) charity; gifts are tax-deductible.
68¢ of each $1 spent went to programs.
Run by 50 volunteers and 100 employees.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · People: Part I, lines 5–6

Before you give

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
3 of 5
filings with a surplus
Average surplus $147K a year · 4% of revenue · last 5 filings
Worth a look: a surplus in 3 of the last 5 filings.
Pt I · Ln 19 · 5 filings
Spent on programs
68%
of spending
Fine: 68% of spending went to programs; 65% to 75%.
Pt IX · Ln 25 · col B
Pay to officers and key staff
$149K
to officers and key staff · 3% of spending
Looks good: pay to officers and key staff is 3% of spending; 15% or less.
Pt VII · Sec A
Named funders
4
named funders · $85K
Looks good: 4 funders name it on their filings; 3 or more.
Funders’ Sch. I, 990-PF
Liabilities
$571K
3% of total assets
Looks good: liabilities are 3% of assets; 50% or less.
Pt X · Ln 26
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$4.0M
-7% vs prior year
Spent
$4.5M
To programs
68%
Net assets
$18.4M
By yearFY2020–FY2024
Revenue
$4.0M
FY2024▼ -7%
Tap a bar for its year
Revenue by fiscal year
FY2020$2.7M
FY2021$3.7M
FY2022$3.7M
FY2023$4.3M
FY2024$4.0M
Expenses
$4.5M
FY2024▲ +9%
Tap a bar for its year
Expenses by fiscal year
FY2020$2.8M
FY2021$2.7M
FY2022$3.5M
FY2023$4.1M
FY2024$4.5M
Net assets
$18.4M
FY2024▲ +3%
Tap a bar for its year
Net assets by fiscal year
FY2020$1.1M
FY2021$2.1M
FY2022$16.4M
FY2023$18.0M
FY2024$18.4M

From the FY2024 Form 990 · figures checked against the IRS filing · see the original

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Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2024. IRS ruling in Mar 1963.

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

Where the money goes

68 cents of each dollar spent went to programs.

Program services 68% · $3.1M Management & general 22% · $1.0M Fundraising 10% · $454K

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

15 people listed on the 990; $149K paid to officers and key staff.

Part VII, Section A · reportable compensation
Executive Director
$149,295Pt VII · Sec A
First Vice President
$0Pt VII · Sec A
Second Vice President
$0Pt VII · Sec A
$0Pt VII · Sec A
Treasurer
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A

Elizabeth Wayland-Morgan’s $149K as Executive Director is at the 66th percentile of top reported officer pay among 3924 $1–10M arts & culture nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.

Compensation history total reportable pay by year · 1 named individual · Part VII

NameFY2024FY2023FY2022FY2021FY2020
Elizabeth Wayland-Morgan$149,295$137,756$124,281$90,628$91,452

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See Suffolk County Vanderbilt Museum executive salaries →

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Programs and updates

Maintains a mansion, museum, planetarium, and park for community benefit.

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Provided by the organization

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3 programs · $2.5M · in their own filed words · FY2024
01

Building operations ensure the preservation, safety, and functionality of the historic suffolk county vanderbilt museum estate, a 43-ACRE waterfront property listed on the national register of historic places.

$1.5Mprogram expense
02

Planetarium

The vanderbilt's charles and helen reichert planetarium, which first opened in 1971, remains one of long island's premier destinations for immersive science education and entertainment. The planetarium enhances the museum's offerings with cutting-edge programming in the most technologically advanced theater of its kind in the region.

$656Kprogram expense
03

Educational Services

These expenses relate to the various educational programs presented by the staff of the museum. Also included are costs relating to the group tours of the grounds and admissions to the museum. Eagle's nest is the summer home of william k. Vanderbilt ii, the great-grandson of cornelius vanderbilt.

$304Kprogram 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 · FY2024
See all 4 funders →

By the numbers

The FY2024 990, line by line.

1The main four
Money inPt VIII
$4.0M
Ln 12
Gifts and grantsLn 1h$2.0M
Other incomeLn 4–11$2.0M
Money outPt IX
$4.5M
Ln 25
Programscol B$3.1M
Managementcol C$1.0M
Fundraisingcol D$454K
Owns and owesPt X
$18.4M
net assets · Ln 32
Total assetsLn 16$19.0M
LiabilitiesLn 26$571K
PeoplePt VI, VII
15
listed · VII A
PaidVII A1
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$2.0M
Other incomeLn 4–11$2.0M
Total revenueLn 12$4.0M
Assets in detailPt X, end of year
Total assetsLn 16$19.0M
LiabilitiesLn 26$571K
Net assetsLn 32$18.4M
OperationsPt I, VI
EmployeesI 5100
VolunteersI 650
Fiscal year endsHeaderDecember

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2024 Latest Viewing $4.0M$4.5M−$549K$18.4M 990 PDF
FY2023 $4.3M$4.1M$133K$18.0M 990 PDF
FY2022 $3.7M$3.5M$256K$16.4M 990 PDF
FY2021 $3.7M$2.7M$1.0M$2.1M 990 PDF
FY2020 $2.7M$2.8M−$110K$1.1M 990 PDF

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Schedules filed Part IV

III · Programs R · Related orgs G · Fundraising L · Interested persons A · Public support O · Explanations

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

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