What is the EIN of OPEN SPACE INSTITUTE LAND TRUST INC?

The employer identification number (EIN) of OPEN SPACE INSTITUTE LAND TRUST INC is 13-3028060.

Is OPEN SPACE INSTITUTE LAND TRUST INC tax-exempt?

Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.

Are donations to OPEN SPACE INSTITUTE LAND TRUST INC tax-deductible?

Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).

When is the next return of OPEN SPACE INSTITUTE LAND TRUST INC due?

The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.

When did OPEN SPACE INSTITUTE LAND TRUST INC last file with the IRS?

The latest return in the IRS public files is the 990 for the year ended December 2024.

Who is the principal officer of OPEN SPACE INSTITUTE LAND TRUST INC?

The 990 for the year ended December 31, 2024 names LARS ERIK KULLESEID.

Who are the officers and directors of OPEN SPACE INSTITUTE LAND TRUST INC?

The 990 for the year ended December 31, 2024 lists 47 people; 0 received compensation from the organization.

How much revenue does OPEN SPACE INSTITUTE LAND TRUST INC have?

On its 990 for the year ended December 31, 2024 it reported revenue of $73,114,837, expenses of $30,031,620 and total assets of $448,306,863 at year end.

Nonprofit · EIN 13-3028060

OPEN SPACE INSTITUTE LAND TRUST INC

Tax-exempt · NEW YORK, NY 10018

Financials

Revenue Expenses · by fiscal year end

Financials of OPEN SPACE INSTITUTE LAND TRUST INC by year, from its e-filed returns
Year ended	Form	Revenue	Expenses	Net income	Total assets	Liabilities	Net assets
December 31, 2024	990	$73,114,837	$30,031,620	$43,083,217	$448,306,863	$143,538,306	$304,768,557
December 31, 2023	990	$74,821,096	$76,852,095	-$2,030,999	$421,472,001	$126,534,315	$294,937,686

Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants: $49,213,843
of which government grants: $27,320,208
Program service revenue: $5,887,171
Investment income: $17,915,055
Net rental income: $69,492
Net gain from sales of assets: $13,631,738
Other revenue: $98,768

Expenses

Grants and similar amounts paid: $9,932,882
Compensation of officers, directors and key employees: $4,745,364
Other salaries and wages: $4,944,894
Salaries, compensation and benefits (total): $11,311,871
Professional fundraising fees: $0
Legal fees: $125,697
Accounting fees: $156,611
Occupancy: $1,727,621
Travel: $457,514
Depreciation: $281,058
Program services (functional): $24,068,603
Management and general (functional): $4,718,624
Fundraising (functional): $1,244,393

Balance sheet and other

Total assets, start of year: $421,472,001
Total assets, end of year: $448,306,863
Total liabilities, end of year: $143,538,306
Net assets, end of year: $304,768,557
Land, buildings and equipment: $177,114,731
Publicly traded securities: $101,351,569
Net assets without donor restrictions: $89,004,201
Net assets with donor restrictions: $215,764,356
Gross receipts: $178,640,789
Employees: 0
Volunteers: 27
Year formed: 1980
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 December 31, 2024, highest compensation first.

Name	Title	Hours / week	Compensation	From related orgs	Other / benefits
TALLY BLUMBERG	EXECUTIVE VICE PRESIDENT Officer	2	$0	$353,363	$50,481
LARS KULLESEID	PRESIDENT & CEO (INCOMING 04/24) Officer	2	$0	$354,094	$36,660
NATHAN BERRY	CHIEF LAND, PROTECTION OFFICER Officer	2	$0	$357,268	$26,147
EILEEN LARABEE	CHIEF EXTERNAL AFFAIRS OFFICER Officer	2	$0	$312,955	$51,264
CHRISTOPHER J ELLIMAN	PRESIDENT & CEO (OUTGOING 05/24) Officer	2	$0	$317,173	$29,550
SAMAYLA DEUTCH	SVP, GENERAL COUNSEL Officer	2	$0	$270,153	$37,295
ALICE GLEASON	SVP FOR FINANCE & CFO Officer	2	$0	$264,789	$27,146
KATHLEEN MOSER	CHIEF CONSERVATION/POLICY Officer	2	$0	$276,027	$12,000
ROBERT K ANDERBERG	SVP, GENERAL COUNSEL Officer	2	$0	$248,235	$37,972
JEFFREY LEJAVA	VP & ASSOCIATE GENERAL COUNSEL Officer	2	$0	$229,264	$47,515
JENNIE GREER	SVP OF PHILANTHROPY Officer	2	$0	$222,219	$43,386
MARIA WHITEHEAD	VP OF LAND, SOUTHEAST Officer	2	$0	$213,119	$48,973
NICK RICHARDSON	SVP, CAPITAL STRATEGIES Officer	2	$0	$210,480	$44,565
PETER KARIS	VP, PARKS AND STEWARDSHIP Officer	2	$0	$183,679	$48,973
IRENE LEE	VP OF LAND, NORTHEAST Officer	2	$0	$172,418	$50,243

32 more people on this return

Name	Title	Hours / week	Compensation	From related orgs	Other / benefits
ABIGAIL WEINBERG	VP OF SCIENCE & CONSERVATION POLICY Officer	2	$0	$171,040	$48,039
DAVID KIERAN-KAUFMAN	VICE PRESIDENT AND ASSISTANT GENERAL COUNSEL Officer	2	$0	$167,900	$47,582
MAY MAY CHENG	VICE PRESIDENT, CONTROLLER Officer	2	$0	$158,698	$44,488
JESSICA WATSON	VP OF CONSERVATION COMMUNITIES Officer	2	$0	$139,282	$52,230
AMELIA SALZMAN	CO-CHAIRPERSON OF THE BOARD Trustee or director, Officer	3	$0	$0	$0
ANSON FRELINGHUYSEN	MEMBER Trustee or director	1	$0	$0	$0
CAROL ASH	VICE-CHAIRPERSON OF THE BOARD Trustee or director, Officer	1	$0	$0	$0
CAROLYN NIEMCZYK	MEMBER Trustee or director	1	$0	$0	$0
DALE S BRYK	MEMBER Trustee or director	1	$0	$0	$0
DOUGLAS BATESON	MEMBER Trustee or director	1	$0	$0	$0
ELIZABETH BORDEN	MEMBER Trustee or director	1	$0	$0	$0
GIGI MORTIMER	MEMBER Trustee or director	1	$0	$0	$0
GIORGIOS VLAMIS	MEMBER Trustee or director	1	$0	$0	$0
HOLLY HEGENER	MEMBER Trustee or director	1	$0	$0	$0
HUME R STEYER	SECRETARY Trustee or director, Officer	1	$0	$0	$0
JOHN ERNST	MEMBER Trustee or director	1	$0	$0	$0
JOHN H ADAMS	CO-CHAIRPERSON OF THE BOARD (OUTGOING) Trustee or director, Officer	3	$0	$0	$0
JOHN P CAHILL	MEMBER Trustee or director	1	$0	$0	$0
JOSHUA GINSBERG PHD	MEMBER Trustee or director	1	$0	$0	$0
JUDE WU ABEL	MEMBER Trustee or director	1	$0	$0	$0
KATHERINE O ROBERTS	MEMBER Trustee or director	1	$0	$0	$0
LEA PAINE HIGHET	MEMBER Trustee or director	1	$0	$0	$0
LEISLE LIN	MEMBER Trustee or director	1	$0	$0	$0
MARJORIE VAN DERCOOK	MEMBER Trustee or director	1	$0	$0	$0
NICOLE HYLTON-PATTERSON	MEMBER Trustee or director	1	$0	$0	$0
PATRICIA F SULLIVAN	MEMBER Trustee or director	1	$0	$0	$0
RICHARD REMMER	MEMBER Trustee or director	1	$0	$0	$0
SAMUEL G HUBER	MEMBER Trustee or director	1	$0	$0	$0
SUSAN BABCOCK	MEMBER Trustee or director	1	$0	$0	$0
T JEFFERSON CUNNINGHAM III	MEMBER Trustee or director	1	$0	$0	$0
THOMAS MCHENRY	TREASURER Trustee or director	1	$0	$0	$0
YUKI MOORE LAURENTI	MEMBER Trustee or director	1	$0	$0	$0

990 for the year ended December 31, 2023: 45 people

Name	Title	Hours / week	Compensation	From related orgs	Other / benefits
CHRISTOPHER J ELLIMAN	PRESIDENT AND CEO Officer	38	$0	$575,272	$61,581
TALLY BLUMBERG	EXECUTIVE VICE PRESIDENT Officer	38	$0	$367,462	$55,753
NATHAN BERRY	CHIEF LAND PROTECTION OFFICER Officer	38	$0	$346,337	$39,750
GARRAUD ETIENNE	CHIEF OPERATION OFFICER (OUTGOING) Officer	38	$0	$320,090	$27,813
EILEEN LARABEE	CHIEF EXTERNAL AFFAIRS OFFICER Officer	38	$0	$273,869	$56,195
SAMAYLA DEUTCH	SVP, GENERAL COUNSEL Officer	38	$0	$272,209	$38,115
ALICE GLEASON	SVP FOR FINANCE & CFO Officer	38	$0	$261,212	$27,428
ROBERT K ANDERBERG	SVP, GENERAL COUNSEL Officer	38	$0	$240,652	$41,901
LORIJEANE MOODY	SVP OF DEVELOPMENT (OUTGOING) Officer	38	$0	$228,569	$51,981
KATHLEEN MOSER	CHIEF CONSERVATION/POLICY OFFICER Officer	38	$0	$267,960	$12,000
JEFFREY LEJAVA	VP & ASSOCIATE GENERAL COUNSEL Officer	38	$0	$223,038	$44,803
PETER KARIS	VP FOR PARKS AND STEWARDSHIP Officer	38	$0	$174,874	$54,196
MARIA WHITEHEAD	VP OF LAND, SOUTHEAST Officer	38	$0	$168,349	$54,195
IRENE LEE	VP OF LAND, NORTHEAST Officer	38	$0	$160,366	$57,162
MAY MAY CHENG	CONTROLLER AND ASSISTANT TREASURER Officer	38	$0	$135,614	$53,681
JENNIE GREER	SVP OF PHILANTHROPY Officer	38	$0	$78,164	$24,862
PETER HOWELL	EXE. VP CONS. CAP. & RE (OUTGOING) Officer	38	$0	$30,515	$1,973
NICK RICHARDSON	SVP, CAPITAL STRATEGIES Officer	38	$0	$16,957	$3,244
AMELIA SALZMAN	CO-CHAIRPERSON OF THE BOARD Trustee or director, Officer	3	$0	$0	$0
ANSON FRELINGHUYSEN	MEMBER Trustee or director	1	$0	$0	$0
CAROL ASH	VICE-CHAIRPERSON OF THE BOARD Trustee or director, Officer	1	$0	$0	$0
CAROLYN NIEMCZYK	MEMBER Trustee or director	1	$0	$0	$0
DALE S BRYK	MEMBER Trustee or director	1	$0	$0	$0
DOUGLAS BATESON	MEMBER Trustee or director	1	$0	$0	$0
ELIZABETH BORDEN	MEMBER Trustee or director	1	$0	$0	$0
GILMAN S BURKE	MEMBER (OUTGOING) Trustee or director	1	$0	$0	$0
GIORGIOS VLAMIS	MEMBER Trustee or director	1	$0	$0	$0
HOLLY HEGENER	MEMBER Trustee or director	1	$0	$0	$0
HUME R STEYER	SECRETARY Trustee or director, Officer	1	$0	$0	$0
JOHN ERNST	MEMBER Trustee or director	1	$0	$0	$0
JOHN H ADAMS	CO-CHAIRPERSON OF THE BOARD Trustee or director, Officer	1	$0	$0	$0
JOHN P CAHILL	MEMBER Trustee or director	1	$0	$0	$0
JOSHUA GINSBERG PHD	MEMBER (TREASURER JAN-JUN 2023) Trustee or director, Officer	1	$0	$0	$0
JUDE WU ABEL	MEMBER Trustee or director	1	$0	$0	$0
KATHERINE O ROBERTS	MEMBER Trustee or director	1	$0	$0	$0
LEA PAINE HIGHET	MEMBER Trustee or director	1	$0	$0	$0
LESLIE G KOCH	MEMBER (OUTGOING) Trustee or director	1	$0	$0	$0
MARJORIE VAN DERCOOK	MEMBER Trustee or director	1	$0	$0	$0
NICOLE HYLTON-PATTERSON	MEMBER Trustee or director	1	$0	$0	$0
PATRICIA F SULLIVAN	MEMBER Trustee or director	1	$0	$0	$0
SAMUEL G HUBER	MEMBER Trustee or director	1	$0	$0	$0
SUSAN BABCOCK	MEMBER Trustee or director	1	$0	$0	$0
T JEFFERSON CUNNINGHAM III	MEMBER Trustee or director	3	$0	$0	$0
THOMAS MCHENRY	TREASURER (JUN-DEC 2023) Trustee or director, Officer	1	$0	$0	$0
YUKI MOORE LAURENTI	MEMBER Trustee or director	1	$0	$0	$0

Address and contacts

Address (IRS master file): 1370 BROADWAY 5TH FLOOR, NEW YORK, NY 10018-7350
Principal officer (990 for 2024): LARS ERIK KULLESEID, 1370 BROADWAY 5TH FLOOR, NEW YORK, NY 100187799
Signed the 990: ALICE GLEASON, CFO
Phone: (212) 290-8200
Website: HTTPS://WWW.OPENSPACEINSTITUTE.ORG
Return prepared by: CBIZ ADVISORS LLC

Mission

OSILT SUPPORTS OSI'S MISSION TO PROTECT LAND FOR CLEAN DRINKING WATER, PUBLIC RECREATION, HEALTHY COMMUNITIES, AND WILDLIFE HABITAT; AND TO CONSERVE INTACT FORESTS AND FLOODPLAINS THAT CAPTURE AND STORE CARBON AND PROTECT AGAINST INCREASINGLY DANGEROUS WEATHER EVENTS.
990 for the year ended December 31, 2024

Program accomplishments

LAND CONSERVATION OPERATIONS: SMART, STRATEGIC LAND CONSERVATION STRENGTHENS COMMUNITIES, ENSURES ACCESS TO DRINKING WATER RESOURCES, PROVIDES RECREATIONAL RESOURCES, PROTECTS HABITATS, MAINTAIN HEALTHY FORESTS, AND MITIGATES THE EFFECTS OF EXTREME WEATHER. OSILT WORKS THROUGHOUT THE EASTERN UNITED STATES, WITH PROJECT CONCENTRATIONS IN NEW YORK, NEW JERSEY, SOUTH CAROLINA, NORTH CAROLINA, AND GEORGIA. THROUGH FACILITATED PROJECTS, DIRECT ACQUISITIONS, AND CONSERVATION EASEMENTS, OSILT PROTECTS LAND WITH THE GOAL OF CONVEYING IT TO PUBLIC AGENCIES AND CONSERVATION PARTNERS AS PERMANENT ADDITIONS TO PUBLIC LANDS. IN 2024, OSILT PROTECTED 12,084 ACRES OF LAND HAVING A FAIR MARKET VALUE OF $80.59 MILLION.
Expenses $10,234,688 · grants $4,039,315 · revenue $7,500,152
PARKS AND PUBLIC POLICY: OSILT IS MAKING NATURE AND THE OUTDOORS MORE INVITING AND ENJOYABLE TO ALL. THROUGH PARK IMPROVEMENTS, THE CREATION OF NEW TRAILS AND GREENWAYS, PUBLIC POLICY RESEARCH, AND ADVOCACY FOR GREATER FEDERAL, STATE, AND NATIONAL INVESTMENTS IN PUBLIC LANDS, OSILT WORKS TO IMPROVE ACCESS TO OPEN SPACE, PROMOTE COMMUNITY WELLBEING, AND CREATE THE NEXT GENERATION OF CONSERVATIONISTS.
Expenses $6,912,151 · grants $2,399,438 · revenue $382,748
CAPITAL STRATEGIES: GUIDED BY SCIENCE, WITH A FOCUS ON PROTECTING MATURE HEALTHY FORESTS, CRITICAL WATERSHEDS, AND WILDLIFE HABITAT, OSILT WORKS WITH FOUNDATIONS TO DESIGN AND ADMINISTER RE-GRANT PROGRAMS, DIRECTING CAPITAL, AND LOW-COST LOANS TO ACCELERATE THE RATE AND EFFECTIVENESS OF CONSERVATION. OSILT ALSO OFFERS CATALYST GRANTS AND TECHNICAL ASSISTANCE TO PARTNERS AND PUBLIC AGENCIES TO INCORPORATE CONSERVATION SCIENCE INTO LOCAL PLANNING AND WORKS DIRECTLY WITH COMMUNITIES TO INCORPORATE NATURE-BASED SOLUTIONS TO MITIGATE THE IMPACT OF EXTREME WEATHER EVENTS. IN 2024, OSILT MADE 23 CAPITAL GRANTS TOTALING $3,660,811, PROTECTING 6,878 ACRES IN SEVEN STATES WITH A FAIR MARKET VALUE OF $37,864,685. FURTHER, OSILT DIRECTLY APPROVED EIGHT GRANTS FOR CONSERVATION PLANNING TOTALING $109,275.
Expenses $5,378,568 · grants $3,484,055 · revenue $58,223
OTHER PROGRAMS
Expenses $1,543,196 · grants $10,074 · revenue $22,278
STEWARDSHIP PROGRAM
revenue $35,674

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 December, so each return is due on the 15th day of the 5th month after that.

Tax year	Year ended	Due	IRS public records
2025	December 31, 2025	May 15, 2026	Not on file
2024	December 31, 2024	May 15, 2025	990 on file
2023	December 31, 2023	May 15, 2024	990 on file

IRS record

EIN: 13-3028060
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: 1980
Accounting year ends: December
Files: Form 990 or 990-EZ
Category (NTEE): Environment (C340)
Assets (IRS master file): $448,306,863
Income (IRS master file): $178,640,789

Filing history

Form	Year ended	Revenue	Expenses	Assets	Return
990	December 2024	$73,114,837	$30,031,620	$448,306,863	XML
990-T	December 2024	–	–	–	IRS
990	December 2023	$74,821,096	$76,852,095	$421,472,001	XML
990-T	December 2023	–	–	–	IRS
990	December 2022	$53,815,893	$35,366,206	$331,677,388	IRS
990-T	December 2022	–	–	–	IRS
990	December 2021	–	–	–	IRS
990-T	December 2021	–	–	–	IRS
990	December 2020	–	–	–	IRS
990-T	December 2020	–	–	–	IRS
990	December 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 13-3028060).

Questions about OPEN SPACE INSTITUTE LAND TRUST INC

What is the EIN of OPEN SPACE INSTITUTE LAND TRUST INC?: The employer identification number (EIN) of OPEN SPACE INSTITUTE LAND TRUST INC is 13-3028060.
Is OPEN SPACE INSTITUTE LAND TRUST INC tax-exempt?: Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
Are donations to OPEN SPACE INSTITUTE LAND TRUST INC tax-deductible?: Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OPEN SPACE INSTITUTE LAND TRUST 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 OPEN SPACE INSTITUTE LAND TRUST INC due?: The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPEN SPACE INSTITUTE LAND TRUST INC last file with the IRS?: The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of OPEN SPACE INSTITUTE LAND TRUST INC?: The 990 for the year ended December 31, 2024 names LARS ERIK KULLESEID.
Who are the officers and directors of OPEN SPACE INSTITUTE LAND TRUST INC?: The 990 for the year ended December 31, 2024 lists 47 people; 0 received compensation from the organization.
How much revenue does OPEN SPACE INSTITUTE LAND TRUST INC have?: On its 990 for the year ended December 31, 2024 it reported revenue of $73,114,837, expenses of $30,031,620 and total assets of $448,306,863 at year end.

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