Nonprofit · EIN 39-1458979
WISCONSIN ARBORISTS ASSOCIATION INCORPORATED
Tax-exempt · EAGLE, WI 53119
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $546,562 | $452,347 | $94,215 | $1,310,386 | $64,330 | $1,246,056 |
| December 31, 2024 | 990 | $423,213 | $409,609 | $13,604 | $1,158,772 | $47,235 | $1,111,537 |
| December 31, 2023 | 990 | $478,924 | $391,982 | $86,942 | $1,041,242 | $34,318 | $1,006,924 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $62,244
- of which government grants
- $25,000
- Membership dues
- $36,065
- Program service revenue
- $420,719
- Investment income
- $39,996
- Net income from gaming
- $10,897
- Net income from sales of inventory
- $2,046
- Other revenue
- $23,603
Expenses
- Grants and similar amounts paid
- $18,489
- Other salaries and wages
- $73,340
- Salaries, compensation and benefits (total)
- $93,728
- Professional fundraising fees
- $0
- Accounting fees
- $6,307
- Occupancy
- $159,318
- Travel
- $21,156
- Program services (functional)
- $310,634
- Management and general (functional)
- $141,713
Balance sheet and other
- Total assets, start of year
- $1,158,772
- Total assets, end of year
- $1,310,386
- Total liabilities, end of year
- $64,330
- Net assets, end of year
- $1,246,056
- Publicly traded securities
- $821,052
- Net assets without donor restrictions
- $1,246,056
- Gross unrelated business income
- $39,996
- Gross receipts
- $546,562
- Employees
- 1
- Year formed
- 1964
- State of legal domicile
- WI
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 |
|---|---|---|---|
| ADAM ALVES | PUBLICITY Trustee or director | 4 | $0 |
| TODD HAEFKE | PAST PRESIDENT Trustee or director, Officer | 4 | $0 |
| DEAN ZIEMIENSKI | TREASURER Trustee or director, Officer | 4 | $0 |
| EDGAR EZERIETIS | SECRETARY Trustee or director, Officer | 4 | $0 |
| KYLE BABICKY II | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| LEE FREDERICKS | MEMBERSHIP REP Trustee or director | 2 | $0 |
| AARON SCHAUER | ISA REPRESENTATIVE Trustee or director | 2 | $0 |
| IAN BROWN | PRESIDENT Trustee or director, Officer | 4 | $0 |
| PETER SORENSEN | LEGISLATIVE REP Trustee or director | 2 | $0 |
| PETER SORENSEN | VICE PRESIDENT Trustee or director | 2 | $0 |
| FRANK SEIHEIMER | CERTIFICATION Trustee or director | 2 | $0 |
990 for the year ended December 31, 2024: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ADAM ALVES | PUBLICITY Trustee or director | 4 | $0 |
| LEE FREDERICKS | MEMBERSHIP REP Trustee or director | 2 | $0 |
| AARON SCHAUER | ISA REPRESENTATIVE Trustee or director | 2 | $0 |
| PETER SORENSEN | LEGISLATIVE REP Trustee or director | 2 | $0 |
| KYLE BABICKY | VICE PRESIDENT Trustee or director | 0 | $0 |
| FRANK SEIHEIMER | CERTIFICATION Trustee or director | 0 | $0 |
| TODD HAEFKE | PAST PRESIDENT Trustee or director, Officer | 4 | $0 |
| JOE ADDIS | TREASURER Trustee or director, Officer | 4 | $0 |
| EDGAR EZERIETIS | SECRETARY Trustee or director, Officer | 4 | $0 |
| IAN BROWN II | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| FRED HOPPE | PRESIDENT Trustee or director, Officer | 4 | $0 |
990 for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| AARON SCHAUER | ISA REPRESENTATIVE Trustee or director | 2 | $0 |
| LEE FREDERICKS | MEMBERSHIP REP Trustee or director | 2 | $0 |
| PETER SORENSEN | LEGISLATIVE REP Trustee or director | 2 | $0 |
| FRANK SEIHEIMER | CERTIFICATION Trustee or director | 0 | $0 |
| KYLE BABICKY | VICE PRESIDENT Trustee or director | 0 | $0 |
| ADAM ALVES | PUBLICITY Trustee or director | 4 | $0 |
| JOE ADDIS | TREASURER Trustee or director, Officer | 4 | $0 |
| TODD HAEFKE | PAST PRESIDENT Trustee or director, Officer | 4 | $0 |
| IAN BROWN II | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| EDGAR EZERIETIS | SECRETARY Trustee or director, Officer | 4 | $0 |
| FRED HOPPE | PRESIDENT Trustee or director, Officer | 4 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 189, EAGLE, WI 53119-0189
- In care of
- % DEAN ZIEMIENSKI
- Signed the 990
- DEAN ZIEMIENSKI, TREASURER
- Phone
- (262) 538-1900
- Website
- WWW.WAA-ISA.ORG
- Return prepared by
- FELHOFER CPA SC
Mission
TO IMPROVE THE UNDERSTANDING OF TREES AND THE PRACTICE OF ARBORICULTURE.
Program accomplishments
- HOLDS EDUCATIONAL CONFERENCES, WRITES EDUCATIONAL NEWSLETTERS, AND SUPPORTS STUDENTS PURSUING FORESTRY OR HORTICULTURE DEGREE BY PROVIDING SCHOLARSHIPS AND RESEARCH GRANTS.Expenses $310,634 · grants $18,489 · revenue $420,719
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
- 39-1458979
- Tax-exempt status
- 501(c)(5): Labor, agricultural or horticultural organization
- Donations deductible
- No
- Exempt since
- 1986
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $1,310,386
- Income (IRS master file)
- $546,562
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $546,562 | $452,347 | $1,310,386 | XML |
| 990 | December 2024 | $423,213 | $409,609 | $1,158,772 | XML |
| 990 | December 2023 | $478,924 | $391,982 | $1,041,242 | XML |
| 990 | December 2022 | $258,714 | $301,104 | $903,628 | 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 39-1458979).
Questions about WISCONSIN ARBORISTS ASSOCIATION INCORPORATED
- What is the EIN of WISCONSIN ARBORISTS ASSOCIATION INCORPORATED?
- The employer identification number (EIN) of WISCONSIN ARBORISTS ASSOCIATION INCORPORATED is 39-1458979.
- Is WISCONSIN ARBORISTS ASSOCIATION INCORPORATED tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1986.
- Are donations to WISCONSIN ARBORISTS ASSOCIATION INCORPORATED tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does WISCONSIN ARBORISTS ASSOCIATION INCORPORATED 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 WISCONSIN ARBORISTS ASSOCIATION INCORPORATED 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 WISCONSIN ARBORISTS ASSOCIATION INCORPORATED last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of WISCONSIN ARBORISTS ASSOCIATION INCORPORATED?
- The 990 for the year ended December 31, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does WISCONSIN ARBORISTS ASSOCIATION INCORPORATED have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $546,562, expenses of $452,347 and total assets of $1,310,386 at year end.
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