Nonprofit · EIN 52-1413042
THE CLIFTON INSTITUTE INC
Also known as INTERNATIONAL HOUSE
Tax-exempt · WARRENTON, VA 20187
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $1,027,209 | $978,690 | $48,519 | $7,674,046 | $90,516 | $7,583,530 |
| December 31, 2023 | 990 | $665,761 | $995,096 | -$329,335 | $7,122,463 | $61,342 | $7,061,121 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $903,992
- of which government grants
- $66,690
- Program service revenue
- $40,803
- Investment income
- $82,414
- Net gain from sales of assets
- $1,239
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $72,583
- Compensation of officers, directors and key employees
- $107,929
- Other salaries and wages
- $400,522
- Salaries, compensation and benefits (total)
- $597,904
- Professional fundraising fees
- $0
- Accounting fees
- $18,325
- Occupancy
- $9,875
- Travel
- $21,168
- Depreciation
- $53,197
- Program services (functional)
- $780,158
- Management and general (functional)
- $135,537
- Fundraising (functional)
- $62,995
Balance sheet and other
- Total assets, start of year
- $7,122,463
- Total assets, end of year
- $7,674,046
- Total liabilities, end of year
- $90,516
- Net assets, end of year
- $7,583,530
- Land, buildings and equipment
- $4,421,075
- Publicly traded securities
- $2,587,943
- Net assets without donor restrictions
- $7,432,405
- Net assets with donor restrictions
- $151,125
- Gross receipts
- $2,236,066
- Employees
- 21
- Volunteers
- 252
- Year formed
- 1985
- State of legal domicile
- VA
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 | Other / benefits |
|---|---|---|---|---|
| ELEANOR R HARRIS PH D | CO- DIRECTOR Officer | 40 | $53,999 | $3,344 |
| J BERTON HARRIS PHD | CO- DIRECTOR Officer | 40 | $53,930 | $3,344 |
| DOUGLAS LARSON | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| G ROBERT LEE | VICE PRESIDE Trustee or director, Officer | 0.5 | $0 | $0 |
| BARBARA HELLER | SECRETARY Trustee or director, Officer | 0.5 | $0 | $0 |
| MARK DEBORD | TREASURER Trustee or director, Officer | 0.5 | $0 | $0 |
| JOCELYN L ALEXANDER MED | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| ANNE DOUGLAS ATHERTON | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| CHARLES G MACKALL JR | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| MARCIA MARSH | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| NANCY RAINES | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| VICTORIA STACK | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| MARGRETE STEVENS | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| HANS WACHTMEISTER | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
990 for the year ended December 31, 2023: 13 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| ELEANOR R HARRIS PH D | MANAGING DIR Officer | 40 | $54,063 | $3,344 |
| J BERTON HARRIS PHD | EXECUTIVE DI Officer | 40 | $54,002 | $3,344 |
| DOUGLAS LARSON | PRESIDENT Trustee or director, Officer | 1 | $0 | $0 |
| JOCELYN L ALEXANDER | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| ANNE DOUGLAS ATHERTON | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| MARK DEBORD | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| BARBARA HELLER | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| G ROBERT LEE | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| CHARLES G MACKALL JR | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| MARCIA MARSH | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| VICTORIA STACK | DIRECTOR Trustee or director | 0.5 | $0 | $0 |
| MARGRETE STEVENS | DIRECTOR Trustee or director | 1.5 | $0 | $0 |
| HANS WACHTMEISTER | DIRECTOR Trustee or director | 2.5 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 6712 BLANTYRE RD, WARRENTON, VA 20187-7144
- Principal officer (990 for 2024)
- DOUGLAS LARSON, 6712 BLANTYRE ROAD, WARRENTON, VA 20187
- Signed the 990
- DOUGLAS LARSON, PRESIDENT
- Phone
- (540) 341-3651
- Website
- WWW.CLIFTONINSTITUTE.ORG
- Return prepared by
- SCHEULEN PATCHETT & EDWARDS PC
Mission
OUR MISSION IS TO INSPIRE A DEEPER UNDERSTANDING AND APPRECIATION OF NATURE, TO STUDY THE ECOLOGY OF OUR REGION, TO RESTORE HABITAT, AND TO CONSERVE NATIVE BIODIVERSITY. WE FULFILL OUR MISSION BY PROVIDING ENVIRONMENTAL EDUCATION TO PEOPLE OF ALL AGES, CARRYING OUT ECOLOGICAL RESEARCH, AND RESTORING HABITAT FOR NATIVE PLANTS AND ANIMALS. OUR 900-ACRE FIELD STATION IN CENTRAL FAUQUIER COUNTY VIRGINIA, WHICH INCLUDES FORESTS, GRASSLANDS, SHRUB FIELDS, AND WETLANDS, PROVIDES A BEAUTIFUL AND EASILY ACCESSIBLE LOCATION FOR OUR PROGRAMS AND IS PERMANENTLY PROTECTED UNDER A CONSERVATION EASEMENT.
Program accomplishments
- EDUCATION. WE PROVIDE ENVIRONMENTAL EDUCATION PROGRAMS TO SHOWCASE THE INCREDIBLE PLANTS AND ANIMALS THAT LIVE IN VIRGINIA, TO TEACH PEOPLE HOW TO DO SCIENCE, AND TO INSPIRE THEM TO TAKE CARE OF NATURE. IN 2024, WE PROVIDED 196 EDUCATIONAL PROGRAMS FOR 2,737 CHILDREN AND 1,524 ADULTS. IN 2024, WE STARTED A NEW LAND-MANAGEMENT EXPERIMENT, LAWN LAB, ON THE CAMPUS OF LOCAL PUBLIC SCHOOLS IN SOUTHERN FAUQUIER COUNTY TO BRING THE KIND OF CONSERVATION BIOLOGY RESEARCH WE DO TO A SCHOOL WHERE STUDENTS CAN PARTICIPATE. IN 2024, WE ALSO HOSTED SEVEN HIGH SCHOOL AND COLLEGE INTERNS AT OUR FIELD STATION TO GIVE THEM EXPERIENCE WITH CONSERVATION BIOLOGY AND ENVIRONMENTAL EDUCATION.Expenses $220,888 · revenue $31,271
- RESTORATION. IN 2024, THROUGH OUR LANDOWNER OUTREACH PROGRAM, WE CONTINUED TO PROVIDE FREE AND PERSONALIZED ADVICE TO LANDOWNERS IN SIX VIRGINIA COUNTIES ABOUT HOW TO MANAGE INVASIVE SPECIES, ESTABLISH NATIVE PLANTS, AND SUPPORT WILDLIFE. OUR MANAGEMENT OF OUR 900-ACRE FIELD STATION SERVES AS A DEMONSTRATION TO THE THOUSANDS OF PEOPLE THAT VISIT US EVERY YEAR. IN 2024, WE MANAGED 44 ACRES OF GRASSLANDS AND SHRUBLANDS WITH PRESCRIBED BURNS. WE CLEARED 10 ACRES OF SHRUBLANDS OF INVASIVE SPECIES AND, WE CONTROLLED 10 ACRES OF WAVYLEAF BASKETGRASS IN OUR FORESTS. IN 2024, WE ENROLLED OUR EIGHTH FARMER IN THE VIRGINIA NATIVE SEED PROJECT, A PARTNERSHIP FORMED TO JUMPSTART THE NATIVE SEED INDUSTRY IN THE STATE.Expenses $283,542 · grants $16,525 · revenue $10,361
- RESEARCH. WE DO RESEARCH THAT HELPS US UNDERSTAND HOW LAND MANAGEMENT DECISIONS AFFECT DECLINING NATIVE SPECIES. AND THEN WE MAKE SURE THAT WHAT WE LEARN FROM OUR RESEARCH GETS BACK INTO THE HANDS OF THE PEOPLE WHO CAN USE IT. FOR THE LAST FEW YEARS, WE HAVE BEEN STUDYING AMERICAN KESTRELS AND EASTERN BOX TURTLES TO FIGURE OUT HOW TO MANAGE HABITAT FOR THESE CHARISMATIC SPECIES. WE HAVE ALSO BEEN STUDYING NATIVE GRASSLANDS TO LEARN ABOUT THE CONSERVATION STATUS OF THESE HABITATS AND COME UP WITH STRATEGIES TO RESTORE THEM. IN 2024, 12 RESEARCH TECHNICIANS AND INTERNS TRACKED 19 AMERICAN KESTRELS AND 11 BOX TURTLES FROM SPRING THROUGH FALL. WE PUBLISHED 2 PEER-REVIEWED PAPERS ABOUT OUR RESEARCH PROJECTS AND WE GAVE 5 PRESENTATIONS AND WORKSHOPS ABOUT OUR RESULTS.Expenses $275,728 · grants $56,058
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
- 52-1413042
- 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
- 1985
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $7,674,046
- Income (IRS master file)
- $2,236,066
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $1,027,209 | $978,690 | $7,674,046 | XML |
| 990 | December 2023 | $665,761 | $995,096 | $7,122,463 | XML |
| 990 | December 2022 | $585,506 | $813,955 | $7,039,210 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 52-1413042).
Questions about THE CLIFTON INSTITUTE INC
- What is the EIN of THE CLIFTON INSTITUTE INC?
- The employer identification number (EIN) of THE CLIFTON INSTITUTE INC is 52-1413042.
- Is THE CLIFTON INSTITUTE INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1985.
- Are donations to THE CLIFTON INSTITUTE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THE CLIFTON INSTITUTE 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 THE CLIFTON INSTITUTE 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 THE CLIFTON INSTITUTE 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 THE CLIFTON INSTITUTE INC?
- The 990 for the year ended December 31, 2024 names DOUGLAS LARSON.
- Who are the officers and directors of THE CLIFTON INSTITUTE INC?
- The 990 for the year ended December 31, 2024 lists 14 people; 2 received compensation from the organization, the highest $53,999 (ELEANOR R HARRIS PH D, CO- DIRECTOR).
- How much revenue does THE CLIFTON INSTITUTE INC have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $1,027,209, expenses of $978,690 and total assets of $7,674,046 at year end.
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