Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2024. IRS ruling in Jan 1966.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
60 cents of each dollar spent went to programs.
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
52 people listed on the 990; $5.6M paid to officers and key staff.
Nathan Berry’s $357K as Chief Land, Protection Officer is at the 99th percentile of top reported officer pay among 1851 $1–10M environment 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 · 8 named individuals · Part VII
| Name | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|
| Christopher J Elliman | $317,173 | $575,272 | $958,454 | $475,257 | $465,503 |
| Tally Blumberg | $353,363 | $367,462 | $337,571 | $329,182 | $318,176 |
| Nathan Berry | $357,268 | $346,337 | $275,857 | $245,594 | $223,142 |
| Lars Kulleseid | $354,094 | — | — | — | — |
| Garraud Etienne | — | $320,090 | $243,594 | — | — |
| Lesley Kane Szynal | $318,451 | $307,753 | $295,278 | $275,637 | $230,301 |
| Eileen Larabee | $312,955 | $273,869 | $223,250 | $208,165 | $196,956 |
| Steven Horowitz | — | — | — | — | $293,944 |
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.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Protects and conserves land across the eastern United States to safeguard water, maintain forests, provide wildlife habitat, and create public recreational spaces.
Questions for Open Space Institute INC
Your first name shows with your question. Open Space Institute INC answers here, for everyone.
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Conservation Communities
Open space institute, inc. (osi) supports grassroots organizations and promotes the development of young environmental leaders within the field of conservation. Its citizen action program supports newly formed local environmental groups, 31 groups in 2024.
Through its supporting organization, the open space institute land trust (osilt), osi saves land to protect water sources; create and make public land more inviting for all; maintain healthy forests; mitigate the effects of extreme weather; provide wildlife habitat; and strengthen communities.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2024 990, line by line.
Download 990
| Line | Start FY24 | End FY24 |
|---|---|---|
| Cash and savingsLn 1–2 | $5.5M | $6.1M |
| InvestmentsLn 11–13 | $2.0M | $2.1M |
| Land, buildings, equipmentLn 10c | $819K | $4.9M |
| Total assetsLn 16 | $20.2M | $23.3M |
| LiabilitiesLn 26 | $12.0M | $15.8M |
| Net assetsLn 32 | $8.1M | $7.5M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $588K | $588K | ||
| Pay of current officers, directors and key staffLn 5 | $661K | $255K | $99K | $307K |
| Other salaries and wagesLn 7 | $628K | $239K | $79K | $310K |
| Pension plan contributionsLn 8 | $35K | $9K | $4K | $22K |
| Other employee benefitsLn 9 | $62K | $13K | $12K | $37K |
| Payroll taxesLn 10 | $83K | $32K | $11K | $40K |
| Management feesLn 11a | $243K | $243K | ||
| Legal feesLn 11b | $26K | $18K | $7K | $494 |
| Accounting feesLn 11c | $11K | $11K | ||
| Investment management feesLn 11f | $3K | $3K | ||
| Other fees for servicesLn 11g | $521K | $447K | $24K | $49K |
| Office expensesLn 13 | $58K | $2K | $56K | $283 |
| OccupancyLn 16 | $254K | $131K | $37K | $86K |
| TravelLn 17 | $121K | $95K | $14K | $11K |
| Depreciation, depletion and amortizationLn 22 | $18K | $9K | $3K | $6K |
| InsuranceLn 23 | $47K | $40K | $7K | |
| Other expenses (24a–d)Ln 24 | $257K | $51K | $3K | $204K |
| All other expensesLn 24e | $40K | $19K | $6K | $15K |
| Total functional expensesLn 25 | $3.7M | $2.2M | $377K | $1.1M |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2024 Latest Viewing | $6.9M | $3.7M | $3.2M | $7.5M | 990 PDF |
| FY2023 | $5.9M | $6.2M | −$297K | $8.1M | 990 PDF |
| FY2022 | $2.1M | $1.7M | $426K | $8.2M | 990 PDF |
| FY2021 | $2.3M | $1.2M | $1.1M | $8.4M | 990 PDF |
| FY2020 | $1.7M | $2.0M | −$315K | $7.2M | 990 PDF |
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Schedules filed Part IV
See the full FY2024 990 (6 parts)
Part I · Summary $6,858,272 revenue, 12 lines filed
Part VI · Governance 27 of 27 board members independent, no flags
Part VIII · Statement of revenue $6,858,272 across 13 lines filed
Part IX · Statement of functional expenses $3,655,960 across 18 lines filed
Part X · Balance sheet $23,289,878 assets, 17 lines filed
Part XI · Reconciliation of net assets $7,478,654 net assets at year end
Form 990 e-file (XML) FY2024 from the IRS · Classification, formation year and address from the IRS Business Master File
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