Nonprofit · EIN 51-0168071
HILTON HEAD ISLAND AUDUBON SOCIETY
Tax-exempt · HILTON HEAD, SC 29938
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| April 30, 2026 | 990-EZ | $83,793 | $79,128 | $4,665 | $122,332 | $0 | $122,332 |
| April 30, 2025 | 990-EZ | $72,191 | $55,705 | $16,486 | $117,667 | $0 | $117,667 |
| April 30, 2024 | 990-EZ | $69,127 | $56,554 | $12,573 | $101,181 | $0 | $101,181 |
Financial details: 990-EZ for the year ended April 30, 2026
Revenue
- Contributions, gifts and grants
- $54,659
- Membership dues
- $17,588
- Program service revenue
- $8,113
- Investment income
- $3,433
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fees and payments to contractors
- $16,530
- Occupancy
- $15,719
- Printing, publications and postage
- $5,277
- Other expenses
- $41,602
- Program services (functional)
- $74,458
Balance sheet and other
- Total assets, start of year
- $117,667
- Total assets, end of year
- $122,332
- Total liabilities, end of year
- $0
- Net assets, end of year
- $122,332
- Cash, savings and investments
- $122,332
- Gross receipts
- $83,793
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-EZ for the year ended April 30, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Kay Grinnel | President | 15 | $0 |
| Terry Cerisoles | Vice President | 10 | $0 |
| Sarah Gustafson | Treasurer | 15 | $0 |
| Patty Kappmeyer | Secretary | 10 | $0 |
| Ken Adams | Director | 10 | $0 |
| Denise Prichard | Director | 10 | $0 |
| John Coleman | Director | 10 | $0 |
| Susan Murphy | Director | 10 | $0 |
| Charlotte Rios | Director-Youth Chair | 5 | $0 |
| Joy Mock | Director | 10 | $0 |
990-EZ for the year ended April 30, 2025: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Kay Grinnel | President | 10 | $0 |
| Lynn Hodgson | Vice President | 10 | $0 |
| Sarah Gustafson | Treasurer | 10 | $0 |
| Patty Kappmeyer | Secretary | 10 | $0 |
| Ken Adams | Director | 10 | $0 |
| Shannon Wilkinson | Director | 10 | $0 |
| Terry Cerisoles | Director | 10 | $0 |
| Denise Prichard | Director | 10 | $0 |
| John Coleman | Director | 10 | $0 |
| Susan Murphy | Director | 10 | $0 |
| Ava Elizabeth Rios | Director-Youth Chair | 10 | $0 |
990-EZ for the year ended April 30, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Kay Grinnel | President | 20 | $0 |
| Lynn Hodgson | Vice President | 10 | $0 |
| Sarah Gustafson | Treasurer | 20 | $0 |
| Patty Kappmeyer | Secretary | 10 | $0 |
| Ken Adams | Director | 10 | $0 |
| Shannon Wilkinson | Director | 10 | $0 |
| Rosemary Staples | Director | 10 | $0 |
| Terry Cerisoles | Director | 20 | $0 |
| Denise Prichard | Director | 10 | $0 |
| John Coleman | Director | 10 | $0 |
| Susan Murphy | Director | 10 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 6185, HILTON HEAD, SC 29938-6185
- In care of
- % PAULINE JONES
- Mailing address (990-N for 2022)
- PO BOX 6185, Hilton Head Island SC 29938
- Principal officer (990-N for 2022)
- Sarah Gustafson, 89 Kingston Dunes Rd, Hilton Head Island SC 29928
- Signed the 990-EZ
- Sarah Gustafson, Treasurer
- Phone
- (703) 479-0425
- Website
- hiltonheadaudubon.org
Mission
Our mission is to be a leading voice for birds and conservation in the Lowcountry, where people and nature thrive together. Our goals include preservation and protection of our coastal marshes, beaches, maritime forests and other habitats, ensuring they will be available for the continued enjoyment of residents and visitors, and for their use by migrating and resident birds. We actively partner with state and local leaders and the community-at large to promote a positive, forward-looking agenda for people and wildlife.
Program accomplishments
- Conservation: Advocacy, Education Programs and Community Science to promote protection and respect of critical habitat for resident and migrating birds. -------------------------------------------------------------------------------------Produced two conservation-related videos shown before every movie at Park Plaza Cinema from July 2024 to June 2025 where it was seen 20 times daily in all 5 theaters and also shown at two other local venues. Expanded our Certification of Bird and Wildlife Friendly Habitat Program, certifying thre schools, two businesses and in process with others. Developed three conservations brochures. Participated in two festivals including a Birds and Nature Day for Juneteenth at Historic Mitchelville Freedom Park. Hosted 19 education events throughout the year, led 24 field trips including for both members and other community groups, spoke at 5 community groups, co-ordinated the Christmas bird count for the Hilton Head Island circle with 302 participants, and active on social media with conservation messages.Expenses $51,297
- Maintain and operate Audubon Newhall Preserve, a 50-acre nature preserve open to the public at no charge. --------------------------------------------------------------------------------------------------------------------------------------------This year we continued our improvement program at the Audubon Newhall Preserve through replacement of aerators to improve the health of the pond. We also engaged Folk Land Management, a highly respected forestry and ecological restoration firm, to help develop a science-based vision and management plan for the property's future. We estimate the Preserve gets approximately 21,000 visitors per year.Expenses $23,161
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 April, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | April 30, 2026 | September 15, 2026 | 990-EZ on file |
| 2024 | April 30, 2025 | September 15, 2025 | 990-EZ on file |
| 2023 | April 30, 2024 | September 16, 2024 | 990-EZ on file |
IRS record
- EIN
- 51-0168071
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1976
- Accounting year ends
- April
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $122,332
- Income (IRS master file)
- $83,793
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | April 2026 | $83,793 | $79,128 | $122,332 | XML |
| 990-EZ | April 2025 | $72,191 | $55,705 | $117,667 | XML |
| 990-EZ | April 2024 | $69,127 | $56,554 | $101,181 | XML |
| 990-N for 2022 Officer: Sarah Gustafson | April 30, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Kay Grinnell | April 30, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: John Bloomfield | April 30, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
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 51-0168071).
Questions about HILTON HEAD ISLAND AUDUBON SOCIETY
- What is the EIN of HILTON HEAD ISLAND AUDUBON SOCIETY?
- The employer identification number (EIN) of HILTON HEAD ISLAND AUDUBON SOCIETY is 51-0168071.
- Is HILTON HEAD ISLAND AUDUBON SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1976.
- Are donations to HILTON HEAD ISLAND AUDUBON SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HILTON HEAD ISLAND AUDUBON SOCIETY 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 HILTON HEAD ISLAND AUDUBON SOCIETY due?
- The return for tax year 2026 (the year ending April 30, 2027) is due September 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did HILTON HEAD ISLAND AUDUBON SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended April 2026.
- Who is the principal officer of HILTON HEAD ISLAND AUDUBON SOCIETY?
- The 990-N for 2022 names Sarah Gustafson.
- Who are the officers and directors of HILTON HEAD ISLAND AUDUBON SOCIETY?
- The 990-EZ for the year ended April 30, 2026 lists 10 people; 0 received compensation from the organization.
- How much revenue does HILTON HEAD ISLAND AUDUBON SOCIETY have?
- On its 990-EZ for the year ended April 30, 2026 it reported revenue of $83,793, expenses of $79,128 and total assets of $122,332 at year end.
Other nonprofits in HILTON HEAD
- CYPRESS CLUB INC EIN 57-0951170 · last filed 990 for 2024
- COMMUNITY SERVICES ASSOCIATES INC EIN 57-0888471 · last filed 990 for 2024
- COMMUNITY FOUNDATION OF THE LOWCOUNTRY INC EIN 57-0756987 · last filed 990 for 2025
- HERITAGE CLASSIC FOUNDATION EIN 57-0835114 · last filed 990 for 2024
- SEA PINES COUNTRY CLUB INC EIN 57-0894151 · last filed 990 for 2025
- HILTON HEAD PREPARATORY SCHOOL EIN 23-7126823 · last filed 990 for 2025
- HILTON HEAD ISLAND BLUFFTON CHAMBER OF COMMERCE EIN 57-0375569 · last filed 990 for 2025
- PALMETTO DUNES PROPERTY OWNERS ASSOCIATION EIN 57-0656625 · last filed 990 for 2024