- Revenue 2024
- $7,720,166
- Expenses 2024
- $9,202,157
Program services were 73.0% of total expenses calculated — Part IX's program-services column over total expenses, both as filed.
As filed
- Subsection
- 03
- NTEE code
- C400
- Classification
- 1000
- Street
- 675 W 252ND ST
These codes are the IRS's own and are shown exactly as filed. What each one means is in the Business Master File documentation (opens in a new tab).
Mission and programs · 2024
Mission
28 ACRE PUBLIC GARDEN /CULTURAL CENTER DEDICATED TO THE ARTISTRY ANDLEGACY OF ITS GARDENS/LANDSCAPES, TO PRESERVING ITS VIEW, AND EXPLORE THE WORLD OF NATURE THROUGH PROGRAMS IN HORTICULTURE, ENVIRONMENTAL EDUCATION, WOODLAND MANAGEMENT AND VISUAL AND PERFORMING ARTS.
Activities or mission (Part I)
CELEBRATE WAVE HILL'S GARDENS AND LANDSCAPES AND EXPLORE NATURE THROUGH ITS PROGRAMS.
-
MEMBERSHIP & COMMUNITY SERVICES - PROVIDING AMENITIES TO THE VISITING PUBLIC, SERVIING WAVE HILL'S MEMBERSHIP BASE AND MARKETING OUTREACH THROUGH PRESS, PUBLICATIONS AND SOCIAL MEDIA TO BUILD NEW AUDIENCES; OFFERING PUBLIC PROGRAMS RELATED TO THE ENVIRONMENT; AND INTERPRETATIONOF WAVE HILL'S HISTORY TO THE PUBLIC. ON AN ANNUAL BASIS APPROXIMATELY 65,000 PEOPLE VISIT WAVE HILL, MAKING IT ONE OF THE MOST POPULAR SITES IN RIVERDALE. DURING FISCAL YEAR 2025, WAVE HILL OFFERED VARIOUS FREE EVENTS TO THE GENERAL PUBLIC.
Expenses $1,725,496 · Revenue $451,020
-
HORTICULTURE - WAVE HILL'S 28 ACRES OF GARDENS AND WOODLAND ARE ACCLAIMED FOR PLANTSMANSHIP, AESTHETIC SENSIBILITY AND THE HUMAN EXPERIENCE OF NATURE. THE GROUNDS INCLUDE A PERGOLA, FRAMING THE VIEWS OF THE HUDSON RIVER AND THE PALISADES BEYOND, THE PERGOLA IS SURROUNDED BY COLORFUL PLANTINGS DURING THE WARM MONTHS. WAVE HILLS GARDEN UNFOLDS FROM SEASON TO SEASON WITH INSPIRED COMBINATIONS OF PERENNIALS, ANNUAL BULBS AND SHRUBS AND HERBS AND ORNAMENTAL PLANTS WHICH FIND SHELTER IN THE TERRACED GARDENS.
Expenses $1,554,056
-
FACILITIES MANAGEMENT - SECURITY, MAINTENANCE AND UTILITIES -MAINTENANCE OF GROUNDS AND DEVELOPMENT OF PLANT COLLECTIONS.
Expenses $1,453,055
-
EDUCATION
Expenses $1,370,809 · Revenue $105,865
-
EXHIBITIONS
Expenses $532,209 · Revenue $216,094
-
PERFORMING ARTS
Expenses $86,192
As filed on the 2024 return. The filer continues this part on Schedule O, which is not shown here.
Officers and directors · 2024
As listed in Part VII of the 2024 return, in the order the filer printed them. Each return names its own; this is not a roster the organization keeps with us.
-
Ray B Oladapo-JohnsonRAY B OLADAPO-JOHNSON
PRESIDENT & EXECUTIVE DIRE
- Total calculated
- $324,847
- From this org
- $301,847
- From related orgs
- $0
- Other
- $23,000
- Hours/week
- 35
Schedule J breakdown matched by us
- Base
- $301,847
- Bonus
- $0
- Other
- $0
- Deferred
- $23,000
- Nontaxable benefits
- $0
- Filer's total
- $324,847
-
Michele Rossetti To 325MICHELE ROSSETTI TO 325
VICE PRESIDENT/COO
- Total calculated
- $251,050
- From this org
- $194,940
- From related orgs
- $0
- Other
- $56,110
- Hours/week
- 35
Schedule J breakdown matched by us
- Base
- $194,940
- Bonus
- $0
- Other
- $0
- Deferred
- $30,500
- Nontaxable benefits
- $25,610
- Filer's total
- $251,050
-
Ezra BorutEZRA BORUT
CHAIRPERSON
- Total calculated
- $0
- Hours/week
- 2
-
D Bryce O'Brien IID BRYCE O'BRIEN II
TREASURER
- Total calculated
- $0
- Hours/week
- 2
-
Lisa CaderLISA CADER
SECRETARY
- Total calculated
- $0
- Hours/week
- 2
-
Robbie Oxnard BentROBBIE OXNARD BENT
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Andrew BermanANDREW BERMAN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Heather Erhard As Of 625HEATHER ERHARD AS OF 625
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Anne G FredericksANNE G FREDERICKS
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Cynthia Hanawalt To 925CYNTHIA HANAWALT TO 925
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
John D HannickJOHN D HANNICK
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Stefanie Hirsch As Of 625STEFANIE HIRSCH AS OF 625
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Susan Hinkson-CarlingSUSAN HINKSON-CARLING
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Jeanne JangJEANNE JANG
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Maud Cabot Welch MacLeanMAUD CABOT WELCH MACLEAN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Katie MichelKATIE MICHEL
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Priscilla A NewmanPRISCILLA A NEWMAN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Signe NielsenSIGNE NIELSEN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Grayson RueckertGRAYSON RUECKERT
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Pamela Fontaine SalvatorePAMELA FONTAINE SALVATORE
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Jennifer P SpeersJENNIFER P SPEERS
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Janet SpitzerJANET SPITZER
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Beatrice Welch To 525BEATRICE WELCH TO 525
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Audrey Z ZinmanAUDREY Z ZINMAN
DIRECTOR
- Total calculated
- $0
- Hours/week
- 2
-
Joanne Conte As Of 425JOANNE CONTE AS OF 425
DIRECTOR OF FINANCE
- Total calculated
- $102,526
- From this org
- $93,148
- From related orgs
- $0
- Other
- $9,378
- Hours/week
- 35
The first 25 listed. Compensation is as filed in Part VII: reportable pay from this organization and from related organizations, other compensation, and hours per week. The total, marked calculated, is our sum of the three dollar columns, with a blank column counted as $0; the form itself has no total. On a Form 990-EZ the columns are Part IV's instead, and on a Form 990-PF Part VIII's — compensation, contributions to benefit plans, and expense account — and the total sums those. A Schedule J breakdown is as filed: base pay, bonus, other, deferred compensation and nontaxable benefits from this organization, with any from related organizations beside each, and the filer's own total. It is shown with the Part VII listing of the same name on the same return. The form gives no key between the two, so that pairing is ours, and is marked matched by us. Earlier years are each on their own filing page.
Filings
-
2024
- Revenue
- $7,720,166
- Expenses
- $9,202,157
- Contributions
- $5,654,617
- Grants paid
- $0
-
2023
- Revenue
- $7,188,386
- Expenses
- $8,773,980
- Contributions
- $5,497,900
- Grants paid
- $0
-
2022
- Revenue
- $7,397,361
- Expenses
- $8,735,890
- Contributions
- $5,293,880
- Grants paid
- $0
The four totals the IRS asks for on Part I of the Form 990, as filed. A dash means the figure was not present on the return — not that it was zero.
Other returns filed
-
2024 · 990-T
- Revenue
- not reported
- Expenses
- not reported
- Assets (EOY)
- not reported
-
2023 · 990-T
- Revenue
- not reported
- Expenses
- not reported
- Assets (EOY)
- not reported
-
2022 · 990-T
- Revenue
- not reported
- Expenses
- not reported
- Assets (EOY)
- not reported
-
2021 · 990
- Revenue
- $6,553,894
- Expenses
- $7,357,108
- Assets (EOY)
- $61,009,893
-
2021 · 990-T
- Revenue
- not reported
- Expenses
- not reported
- Assets (EOY)
- not reported
-
2020 · 990
- Revenue
- $9,504,204
- Expenses
- $7,142,470
- Assets (EOY)
- $101,469,355
-
2020 · 990-T
- Revenue
- not reported
- Expenses
- not reported
- Assets (EOY)
- not reported
-
2019 · 990
- Revenue
- $8,086,596
- Expenses
- $7,549,209
- Assets (EOY)
- $69,073,001
-
2018 · 990
- Revenue
- $9,131,105
- Expenses
- $7,544,142
- Assets (EOY)
- $66,881,540
-
2017 · 990
- Revenue
- $6,574,608
- Expenses
- $7,275,126
- Assets (EOY)
- $59,898,547
Nonprofiteer parses Forms 990, 990-EZ and 990-PF, in a window of recent tax years. These returns are recorded from the IRS e-file index, so their figures were extracted by that index rather than read from the return here — treat them as a different source from the filings above, not as more of the same record. A dash means the index carries no figure; Form 990-T listings carry none at all. Showing the 10 most recent; the API carries the rest.
Grants made
No itemized grants to organizations. Schedule I is filed only by organizations that granted more than $5,000 to a recipient, so most filers have none.
Grants received
-
2022 For grant recipient's exempt purposes
-
2024 For grant recipient's exempt purposes
-
2023 For grant recipient's exempt purposes
-
2023 UNRESTRICTED GENERAL SUPPORT
-
2022 UNRESTRICTED GENERAL SUPPORT
-
2022 ARTS AND CULTURE
-
2024 UNRESTRICTED GENERAL SUPPORT
-
2023 ARTS AND CULTURE
-
$24,350
2022 IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE
-
DONOR ADVISED CHARITABLE GIVING
$20,100
2024 ENVIRONMENTAL AND ANIMALS
The 10 largest by cash amount. The API serves every itemized grant.
Related organizations
From Schedule R Part II, where a filer lists the tax-exempt organizations it is related to by control. It does not record shared board members or money.
Declared as related by
-
DISTRICT COUNCIL 37 CULTURAL INST HEALTH & SECURITY PLAN TR
On its 2024 return
-
THE CULTURAL INSTITUTIONS GROUP LIFE INSURANCE PLAN
On its 2024 return
Other IRS files
Auto-Revocation List
Not listed. The IRS publishes this list for organizations whose exemption was automatically revoked for failing to file for three consecutive years.
Publication 78
Listed as of 13 October 2026, under deductibility PC.
These are two separate IRS files on two separate schedules, shown as published and not reconciled with each other. Neither is a statement about whether a contribution is deductible today: 19,245 organizations appear in Publication 78 while the IRS's own revocation file lists them as currently revoked, more than half of those revoked before 2019. Absence from Publication 78 is evidence of nothing, and presence is not evidence either. Verify current status with the IRS before relying on it.
What this page reflects
The registration facts above come from the IRS Business Master File published 13 October 2026 and read 1 November 2026, for every organization at once. Returns through tax year 2024, the newest we have parsed for this organization.