Nonprofit · EIN 51-0305673
GREENBANK MILL ASSOCIATES INC
Tax-exempt · WILMINGTON, DE 19808
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $135,500 | $115,508 | $19,992 | $1,590,844 | $145,828 | $1,445,016 |
| December 31, 2024 | 990 | $309,851 | $58,661 | $251,190 | $1,577,146 | $167,318 | $1,409,828 |
| December 31, 2023 | 990 | $146,332 | $72,409 | $73,923 | $1,592,774 | $319,890 | $1,272,884 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $45,559
- of which government grants
- $40,640
- Membership dues
- $1,695
- Program service revenue
- $5,980
- Investment income
- $4
- Net rental income
- $81,252
- Net income from sales of inventory
- $2,705
- Other revenue
- $83,957
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $38,139
- Salaries, compensation and benefits (total)
- $41,057
- Professional fundraising fees
- $0
- Accounting fees
- $6,080
- Depreciation
- $13,792
- Program services (functional)
- $89,977
- Management and general (functional)
- $25,531
Balance sheet and other
- Total assets, start of year
- $1,577,146
- Total assets, end of year
- $1,590,844
- Total liabilities, end of year
- $145,828
- Net assets, end of year
- $1,445,016
- Land, buildings and equipment
- $1,417,356
- Publicly traded securities
- $115,196
- Net assets without donor restrictions
- $1,324,857
- Net assets with donor restrictions
- $120,159
- Gross receipts
- $176,169
- Employees
- 4
- Volunteers
- 31
- Year formed
- 1987
- State of legal domicile
- DE
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, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DON RICHARD | BOARD MEMBER Trustee or director | 5 | $0 |
| JOE MADJESKI | BOARD MEMBER Trustee or director | 4 | $0 |
| JIM BIMBI | BOARD MEMBER Trustee or director | 2 | $0 |
| HEIDI JONES | BOARD MEMBER Trustee or director | 2 | $0 |
| BARBARA NELSON | BOARD CHAIR Officer | 10 | $0 |
| COLLEEN GOLDSBOROUGH | SECRETARY-TREASURER Officer | 15 | $0 |
990 for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DON RICHARD | BOARD MEMBER Trustee or director | 1 | $0 |
| BARBARA NELSON | BOARD CHAIR Officer | 5 | $0 |
| COLLEEN GOLDSBOROUGH | SECRETARY Officer | 5 | $0 |
990 for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DON RICHARD | BOARD MEMBER Trustee or director | 1 | $0 |
| BARBARA NELSON | BOARD CHAIR Officer | 5 | $0 |
| LARK BERNINI | TREASURER Officer | 5 | $0 |
| COLLEEN GOLDSBOROUGH | SECRETARY Officer | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 500 GREENBANK RD, WILMINGTON, DE 19808-3119
- Principal officer (990 for 2025)
- Barbara Nelson, 500 Greenbank Rd, Wilmington, DE 19808
- Signed the 990
- Barbara Nelson, Board Chair
- Phone
- (302) 999-9001
- Website
- www.greenbankmill.com
- Return prepared by
- MARK WILLIAMS
Mission
OUR MISSION IS DEDICATED TO PRESERVING THE GREENBANK MILL NATIONAL HISTORICAL DISTRICT AS A PUBLIC MUSEUM AND EXPANDING PUBLIC KNOWLEDGE OF RED CLAY VALLY INDUSTRIAL, AGRICULTURAL AND SOCIAL HSTORY THROUGH ON SITE EDUCATIONAL AND RECREATIONAL PROGRAMS.
Program accomplishments
- TO OFFER GUESTS PROGRAMS AND TOURS INTERPRETING 19TH CENTURY LIFE AND INDUSTRY IN A FULLY RESTORED COMPOUND THAT INCLUDES GRISTMILL, WOOLEN FACTORY, WATER SYSTEM, MILLERS HOUSE AND GARDENS, BARN, OUTBUILDINGS AND FARM OPERATIONS, AND NATIVE WOODLAND.Expenses $89,977 · revenue $135,500
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 | 990 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
- 51-0305673
- 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
- 1988
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A82Z)
- Assets (IRS master file)
- $1,590,844
- Income (IRS master file)
- $176,169
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $135,500 | $115,508 | $1,590,844 | IRS |
| 990 | December 2024 | $309,851 | $58,661 | $1,577,146 | XML |
| 990 | December 2023 | $146,332 | $72,409 | $1,592,774 | XML |
| 990 | December 2022 | $256,948 | $204,393 | $2,564,672 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | 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 51-0305673).
Questions about GREENBANK MILL ASSOCIATES INC
- What is the EIN of GREENBANK MILL ASSOCIATES INC?
- The employer identification number (EIN) of GREENBANK MILL ASSOCIATES INC is 51-0305673.
- Is GREENBANK MILL ASSOCIATES INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1988.
- Are donations to GREENBANK MILL ASSOCIATES INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GREENBANK MILL ASSOCIATES 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 GREENBANK MILL ASSOCIATES INC due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did GREENBANK MILL ASSOCIATES INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of GREENBANK MILL ASSOCIATES INC?
- The 990 for the year ended December 31, 2025 names Barbara Nelson.
- Who are the officers and directors of GREENBANK MILL ASSOCIATES INC?
- The 990 for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does GREENBANK MILL ASSOCIATES INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $135,500, expenses of $115,508 and total assets of $1,590,844 at year end.
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