Nonpartisan civic infrastructure
AllCiv·Legis1
·

Open Space Institute Land Trust INC

Public charityFed auditsIRS 990
Environment · NEW YORK, NY · EIN 13-3028060

About

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.

Donations are tax-deductible
Category
Environment
Employees
0
Volunteers
27

Financial Snapshot

FY ending 2024-12-31
Revenue
$73.1M
Expenses
$30.0M
Assets
$448.3M
Liabilities
$143.5M

Financial history

$73.1M$36.6M$0
1718192021222324
RevenueExpenses
Latest FY2024: $73.1M · Avg: $43.8M

Foreign activity (Schedule F)

Total spent abroad$10.9M
Foreign employees0
Foreign offices0
Foreign partnership interestNo
Foreign trust interestNo
RegionActivitySpent
CENTRAL AMERICA AND THE CARIBBEAN - ANTIGUA & BARBUDA, ARUBA, BAHAMAS,——

501(h) election

This 501(c)(3) elected the 501(h) safe-harbor — lobbying expenditures are capped under a clear dollar formula instead of the "insubstantial part" standard.

Political & Grant Activity

Campaign Spending
—
Lobbying
$452K
Grants Given
$4.0M
OPEN SPACE INSTITUTE LAND TRUST INC
Your actions
Represent this organization? Claim this page — free.

Address

1370 Broadway 5TH Floor
New YORK, NY, 10018-735

Governance

Voting board members27
Independent members27
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardYes

Compensation practices

Severance paymentsNo
Equity-based compNo
Supplemental retirement planNo
Initial contract exceptionNo

Financial detail (Schedule D)

Endowment held by related orgNo
Public records
ProPublica Nonprofit Explorer ↗
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search ↗
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.