Nonprofit · EIN 75-3165488
AVALON NATURE PRESERVE INC
Tax-exempt · STONY BROOK, NY 11790
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990-PF | $6,631,987 | $6,784,502 | -$152,515 | $55,624,972 | $80,174 | $55,544,798 |
| June 30, 2024 | 990-PF | $16,067,123 | $6,299,262 | $9,767,861 | $55,912,209 | $214,896 | $55,697,313 |
| June 30, 2023 | 990-PF | $8,829,498 | $5,751,089 | $3,078,409 | $46,132,493 | $203,041 | $45,929,452 |
Financial details: 990-PF for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $6,309,000
- Interest
- $244,438
- Other income
- $78,168
Expenses
- Grants and similar amounts paid
- $470,980
- Compensation of officers, directors and key employees
- $538,403
- Salaries, compensation and benefits (total)
- $2,080,556
- Disbursements for charitable purposes
- $5,796,930
- Excise tax on investment income
- $3,385
Balance sheet and other
- Total assets, start of year
- $55,912,209
- Total assets, end of year
- $55,624,972
- Total liabilities, end of year
- $80,174
- Net assets, end of year
- $55,544,798
- Fair market value of assets
- $55,624,972
- Qualifying distributions
- $10,668,262
- Net investment income
- $244,438
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-PF for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KATHARINE GRIFFITHS 200 HARBOR ROAD, STONY BROOK, NY 11790 | PRESIDENT | 40 | $353,189 | $55,529 |
| MARK BRUUN 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF MAINTENANCE Highest-paid employee | 40 | $202,785 | $80,229 |
| ELIZABETH WILLIAMSON 200 HARBOR ROAD, STONY BROOK, NY 11790 | SECRETARY/TREASURER | 30 | $185,214 | $79,179 |
| TOM CAROLAN 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $151,137 | $72,334 |
| SCOTT LEIBLE 200 HARBOR ROAD, STONY BROOK, NY 11790 | CONTROLLER Highest-paid employee | 40 | $148,316 | $75,742 |
| BENJAMIN KALINSKY 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF SECURITY Highest-paid employee | 40 | $144,777 | $17,644 |
| DOUGLAS BLAKE 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $127,941 | $73,656 |
| ROBERT GAFFNEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| VICTORIA GERARD 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| GREGG EISENSTEIN 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| JOHN CASEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| PAUL RANDALL 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| CHARLES MUNCH 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| MICHAEL STROZIER 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
990-PF for the year ended June 30, 2024: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KATHARINE GRIFFITHS 200 HARBOR ROAD, STONY BROOK, NY 11790 | PRESIDENT | 40 | $345,152 | $52,870 |
| MARK BRUUN 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF MAINTENANCE Highest-paid employee | 40 | $197,390 | $77,738 |
| ELIZABETH WILLIAMSON 200 HARBOR ROAD, STONY BROOK, NY 11790 | SECRETARY/TREASURER | 30 | $180,551 | $73,011 |
| TOM CAROLAN 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $154,769 | $70,414 |
| SCOTT LEIBLE 200 HARBOR ROAD, STONY BROOK, NY 11790 | CONTROLLER Highest-paid employee | 40 | $144,486 | $72,601 |
| BENJAMIN KALINSKY 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF SECURITY Highest-paid employee | 40 | $140,208 | $17,110 |
| DOUGLAS BLAKE 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $127,593 | $70,911 |
| ROBERT GAFFNEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| VICTORIA GERARD 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| GREGG EISENSTEIN 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| JOHN CASEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| PAUL RANDALL 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| CHARLES MUNCH 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| MICHAEL STROZIER 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
990-PF for the year ended June 30, 2023: 14 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KATHARINE GRIFFITHS 200 HARBOR ROAD, STONY BROOK, NY 11790 | PRESIDENT | 40 | $319,260 | $50,208 |
| MARK BRUUN 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF MAINTENANCE Highest-paid employee | 40 | $185,196 | $73,116 |
| ELIZABETH WILLIAMSON 200 HARBOR ROAD, STONY BROOK, NY 11790 | SECRETARY/TREASURER | 30 | $167,596 | $71,769 |
| TOM CAROLAN 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $144,574 | $66,136 |
| SCOTT LEIBLE 200 HARBOR ROAD, STONY BROOK, NY 11790 | CONTROLLER Highest-paid employee | 40 | $134,701 | $55,340 |
| BENJAMIN KALINSKY 200 HARBOR ROAD, STONY BROOK, NY 11790 | HEAD OF SECURITY Highest-paid employee | 40 | $130,616 | $18,388 |
| DOUGLAS BLAKE 200 HARBOR ROAD, STONY BROOK, NY 11790 | MAINTENANCE Highest-paid employee | 40 | $125,568 | $67,653 |
| ROBERT GAFFNEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| VICTORIA GERARD 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| GREGG EISENSTEIN 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| JOHN CASEY 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| PAUL RANDALL 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| CHARLES MUNCH 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
| MICHAEL STROZIER 200 HARBOR ROAD, STONY BROOK, NY 11790 | DIRECTOR | 0.05 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 200 HARBOR RD, STONY BROOK, NY 11790-2000
- In care of
- % KATHARINE GRIFFITHS
- Signed the 990-PF
- ELIZABETH WILLIAMSON, SECRETARY/TREASURER
- Phone
- (631) 689-0619
- Website
- WWW.AVALONNATUREPRESERVE.ORG
- Return prepared by
- GRANT THORNTON ADVISORS LLC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990-PF on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-PF on file |
IRS record
- EIN
- 75-3165488
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 2005
- Accounting year ends
- June
- Files
- Form 990-PF
- Category (NTEE)
- Recreation and sports (N32)
- Assets (IRS master file)
- $55,624,972
- Income (IRS master file)
- $6,632,023
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | June 2025 | $6,631,987 | $6,784,502 | $55,624,972 | XML |
| 990-PF | June 2024 | $16,067,123 | $6,299,262 | $55,912,209 | XML |
| 990-PF | June 2023 | $8,829,498 | $5,751,089 | $46,132,493 | XML |
| 990-PF | June 2022 | – | – | – | IRS |
| 990-PF | June 2021 | – | – | – | 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 75-3165488).
Questions about AVALON NATURE PRESERVE INC
- What is the EIN of AVALON NATURE PRESERVE INC?
- The employer identification number (EIN) of AVALON NATURE PRESERVE INC is 75-3165488.
- Is AVALON NATURE PRESERVE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
- Are donations to AVALON NATURE PRESERVE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does AVALON NATURE PRESERVE INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of AVALON NATURE PRESERVE INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AVALON NATURE PRESERVE INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended June 2025.
- Who are the officers and directors of AVALON NATURE PRESERVE INC?
- The 990-PF for the year ended June 30, 2025 lists 14 people; 7 received compensation from the organization, the highest $353,189 (KATHARINE GRIFFITHS, PRESIDENT).
- How much revenue does AVALON NATURE PRESERVE INC have?
- On its 990-PF for the year ended June 30, 2025 it reported revenue of $6,631,987, expenses of $6,784,502 and total assets of $55,624,972 at year end.
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