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Nonprofit · EIN 11-1902968

OLD WESTBURY GARDENS INC

Tax-exempt · OLD WESTBURY, NY 11568

Financials

$4.8M$5M2023$5M$6M2024
Revenue Expenses · by fiscal year end
Financials of OLD WESTBURY GARDENS INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2025990$5,029,694$6,041,814-$1,012,120$37,657,421$3,109,241$34,548,180
March 31, 2024990$4,814,359$4,976,147-$161,788$38,928,764$2,961,252$35,967,512
Financial details: 990 for the year ended March 31, 2025

Revenue

Contributions, gifts and grants
$3,089,029
Membership dues
$328,601
Program service revenue
$1,413,761
Investment income
$507,650
Net rental income
$891
Net gain from sales of assets
$389,127
Net income from fundraising events
-$29,353
Net income from sales of inventory
$10,834
Other revenue
$19,254

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$312,199
Other salaries and wages
$2,150,007
Salaries, compensation and benefits (total)
$2,911,900
Professional fundraising fees
$0
Depreciation
$361,161
Program services (functional)
$4,484,455
Management and general (functional)
$654,422
Fundraising (functional)
$902,937

Balance sheet and other

Total assets, start of year
$38,928,764
Total assets, end of year
$37,657,421
Total liabilities, end of year
$3,109,241
Net assets, end of year
$34,548,180
Land, buildings and equipment
$10,830,983
Publicly traded securities
$5,444,693
Net assets without donor restrictions
$9,277,979
Net assets with donor restrictions
$25,270,201
Gross receipts
$6,938,357
Employees
91
Volunteers
60
Year formed
1958
State of legal domicile
NY

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended March 31, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Maura BrushPresident/CEO
Trustee or director, Officer
40$155,010$20,934
Daniel AlbaneseCFO
Officer
40$127,202$3,862
Carol E LargeChairman
Trustee or director, Officer
1$0$0
Laureen Stanton KnutsenVice-Chairman
Trustee or director, Officer
1$0$0
John M DeignanTreasurer
Trustee or director, Officer
1$0$0
Jack FoleySecretary
Trustee or director, Officer
1$0$0
Lieta UrryTrustee
Trustee or director
1$0$0
John S CochranTrustee
Trustee or director
1$0$0
Michelle GokeyTrustee
Trustee or director
1$0$0
Anne B ByersTrustee
Trustee or director
1$0$0
Jacques BusquetTrustee
Trustee or director
1$0$0
Frederic BancroftTrustee
Trustee or director
1$0$0
Thammanoune KannalikhamTrustee
Trustee or director
1$0$0
Arthur LevineTrustee
Trustee or director
1$0$0
Peter P MackinnonTrustee
Trustee or director
1$0$0
7 more people on this return
NameTitleHours / weekCompensation
Dita Amory NicksonTrustee
Trustee or director
1$0
Jeffrey SPhippsTrustee
Trustee or director
1$0
Lloyd P ZuckerbergTrustee
Trustee or director
1$0
Robert S LemleTrustee
Trustee or director
1$0
Robert M JohnstonTrustee
Trustee or director
1$0
Robert F HusseyTrustee
Trustee or director
1$0
Nathan UrbachTrustee
Trustee or director
1$0
990 for the year ended March 31, 2024: 25 people
NameTitleHours / weekCompensationOther / benefits
Nancy CostopulosForm. President
Trustee or director, Officer
40$123,761$16,929
Daniel AlbaneseCFO
Officer
40$116,636$4,426
Maura BrushPresident
Trustee or director, Officer
1$97,722$13,861
Carol E LargeChairman
Trustee or director, Officer
1$0$0
Laureen Stanton KnutsenVice-Chairman
Trustee or director, Officer
1$0$0
John M DeignanTreasurer
Trustee or director, Officer
1$0$0
Anne B ByersSecretary
Trustee or director, Officer
1$0$0
Lieta UrryTrustee
Trustee or director
1$0$0
John S CochranTrustee
Trustee or director
1$0$0
Deidre O'ConnellTrustee
Trustee or director
1$0$0
Jack FoleyTrustee
Trustee or director
1$0$0
Jacques BusquetTrustee
Trustee or director
1$0$0
Frederic BancroftTrustee
Trustee or director
1$0$0
Eric KrasnoffTrustee
Trustee or director
1$0$0
Thammanoune KannalikhamTrustee
Trustee or director
1$0$0
Arthur LevineTrustee
Trustee or director
1$0$0
Peter P MackinnonTrustee
Trustee or director
1$0$0
Dita Amory NicksonTrustee
Trustee or director
1$0$0
Jeffrey SPhippsTrustee
Trustee or director
1$0$0
Lloyd P ZuckerbergTrustee
Trustee or director
1$0$0
Robert S LemleTrustee
Trustee or director
1$0$0
Robert M JohnstonTrustee
Trustee or director
1$0$0
Albert KalimianTrustee
Trustee or director
1$0$0
Robert F HusseyTrustee
Trustee or director
1$0$0
Nathan UrbachTrustee
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
PO BOX 430, OLD WESTBURY, NY 11568-0430
Principal officer (990 for 2024)
Maura Brush, PO Box 430, Old Westbury, NY 11568
Signed the 990
Daniel Albanese, CFO
Phone
(516) 333-0048
Return prepared by
Satty Levine & Ciacco CPAs PC

Mission

To inspire appreciation and knowledge of the early 20th century American country estate.

990 for the year ended March 31, 2025

Program accomplishments

  • Gardens and Westbury House maintenance:OLD WESTBURY GARDENS IS ONE OF THE FEW REMAINING HISTORIC LONG ISLAND ESTATES OPEN TO THE PUBLIC AND ONE OF THE BEST PRESERVED OF ITS KIND IN AMERICA. PRESERVATION IS THE HIGHEST PRIORITY AND IN COORDINATION WITH THE BOARD OF TRUSTEES, COMMITTEES AND THE HORTICULTURE DEPARTMENT, THE GARDENS BUDGETS FOR CAPITAL PROJECTS AND THE PROTECTION AND RESTORATION OF THE LANDSCAPE, BUILDINGS AND HARDSCAPE. THE HORTICULTURE DEPARTMENT CULTIVATES AND MANAGES MORE THAN 200 ACRES OF FORMAL GARDENS, WOODLANDS, AND LAKES, MAINTAINING THE EXACTING STANDARDS REQUIRED TO PRESERVE THE GARDENS AND CREATE AN EXTRAORDINARY VISITOR EXPERIENCE. THE OPERATIONS DEPARTMENT PROVIDES MAINTENANCE, REPAIRS, AND STENGTHENING OF THE INFRASTRUCTURE OF OLD WESTBURY GARDENS.
    Expenses $3,096,816 · revenue $945,647
  • Visitor services:Old Westbury Gardens offers an engaging visitor experience bringing history to life through onsite tours and interpretive programs that provide a rare window into the golden era of the American country house. Visitors are encouraged to freely explore the beautifully groomed gardens and historic Westbury House. In addition, Old Westbury Gardens plans and executes an extensive array of public programs including exhibits, lectures, concerts, holiday events, teas and group tours, secrets of the service wing tours. The Visitor Services Department manages all aspects of public programming, special events, commercial activity, volunteer support and the interpretive programs to ensure a high quality visitor experience.
    Expenses $1,074,277 · revenue $263,355
  • Education and community services:Old Westbury Gardens' Education Program strives to educate the community through a variety of outdoor formal and informal program offerings. Since its inception, tens of thousands of students from over 80 local and out of state school districts use Old Westbury Gardens as an extension of their classrooms through formal, educator-led outdoor programs designed in conjunction with New York State Learning Standards. Over 10,000 Girl Scouts and Cub Scouts have earned merits and learned skills reinforcing a message of local community preservation. Children's and Family Programs such as Bug Safari, Bat Walk, Bird Walks, Stargazers, Summer Camps, Wellness Programs, Photography Workshops and more, highlight diverse environmental topics and themes and make the most of non-profit community partnerships.
    Expenses $313,362 · revenue $228,538

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in March, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026Not on file
2024March 31, 2025August 15, 2025990 on file
2023March 31, 2024August 15, 2024990 on file

IRS record

EIN
11-1902968
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2003
Accounting year ends
March
Files
Form 990 or 990-EZ
Assets (IRS master file)
$37,657,421
Income (IRS master file)
$6,938,357

Filing history

FormYear endedRevenueExpensesAssetsReturn
990March 2025$5,029,694$6,041,814$37,657,421XML
990March 2024$4,814,359$4,976,147$38,928,764XML
990March 2023$5,410,305$7,016,784$37,164,961IRS
990March 2022$6,489,449$6,275,703$41,739,187IRS
990March 2021–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 11-1902968).

Questions about OLD WESTBURY GARDENS INC

What is the EIN of OLD WESTBURY GARDENS INC?
The employer identification number (EIN) of OLD WESTBURY GARDENS INC is 11-1902968.
Is OLD WESTBURY GARDENS INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
Are donations to OLD WESTBURY GARDENS INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OLD WESTBURY GARDENS INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of OLD WESTBURY GARDENS INC due?
The return for tax year 2025 (the year ending March 31, 2026) is due August 17, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OLD WESTBURY GARDENS INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended March 2025.
Who is the principal officer of OLD WESTBURY GARDENS INC?
The 990 for the year ended March 31, 2025 names Maura Brush.
Who are the officers and directors of OLD WESTBURY GARDENS INC?
The 990 for the year ended March 31, 2025 lists 22 people; 2 received compensation from the organization, the highest $155,010 (Maura Brush, President/CEO).
How much revenue does OLD WESTBURY GARDENS INC have?
On its 990 for the year ended March 31, 2025 it reported revenue of $5,029,694, expenses of $6,041,814 and total assets of $37,657,421 at year end.

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