Nonprofit · EIN 42-1160989
DUBUQUE ARBORETUM ASSOCIATION INC
Also known as DUBUQUE ARBORETUM & BOTANICAL GRADE
Tax-exempt · DUBUQUE, IA 52001
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $659,933 | $608,697 | $51,236 | $3,277,202 | $64,853 | $3,212,349 |
| March 31, 2025 | 990 | $886,026 | $687,759 | $198,267 | $3,173,709 | $100,742 | $3,072,967 |
| March 31, 2024 | 990 | $712,767 | $568,131 | $144,636 | $2,932,103 | $58,858 | $2,873,245 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $421,873
- Program service revenue
- $46,005
- Investment income
- $109,315
- Net rental income
- $21,736
- Net gain from sales of assets
- $73,935
- Net income from fundraising events
- $1,552
- Net income from sales of inventory
- $47,906
- Other revenue
- $82,740
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $76,883
- Other salaries and wages
- $136,925
- Salaries, compensation and benefits (total)
- $235,888
- Professional fundraising fees
- $0
- Accounting fees
- $12,124
- Occupancy
- $89,470
- Depreciation
- $85,707
- Program services (functional)
- $405,489
- Management and general (functional)
- $165,466
- Fundraising (functional)
- $37,742
Balance sheet and other
- Total assets, start of year
- $3,173,709
- Total assets, end of year
- $3,277,202
- Total liabilities, end of year
- $64,853
- Net assets, end of year
- $3,212,349
- Land, buildings and equipment
- $1,307,069
- Publicly traded securities
- $1,584,952
- Net assets without donor restrictions
- $3,097,441
- Net assets with donor restrictions
- $114,908
- Gross receipts
- $1,231,167
- Employees
- 9
- Volunteers
- 225
- Year formed
- 1980
- State of legal domicile
- IA
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 |
|---|---|---|---|
| JENNA HIRTZ | EXECUTIVE DIRECTOR Officer | 40 | $76,883 |
| MERLIN GREEN | DIRECTOR Trustee or director | 1 | $0 |
| AUTUMN ERNZEN | DIRECTOR Trustee or director | 1 | $0 |
| MERCEDES PFAB | DIRECTOR Trustee or director | 1 | $0 |
| SAHIL KUMAR | DIRECTOR Trustee or director | 1 | $0 |
| JIM SCHUMACHER | DIRECTOR Trustee or director | 1 | $0 |
| STEVEN ULSTAD | BOARD MEMBER Trustee or director | 1 | $0 |
| JEFF MOZENA | BOARD MEMBER Trustee or director | 1 | $0 |
| LAURANA SNYDER | DIRECTOR Trustee or director | 1 | $0 |
| MARSHA ABBOTT | TREASURER Officer | 5 | $0 |
| DAWN BANDY | CHAIR Officer | 5 | $0 |
| ANNA ROLING | SECRETARY Officer | 5 | $0 |
| TIM LOEFFELHOLZ | VICE CHAIR Officer | 5 | $0 |
990 for the year ended March 31, 2025: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JENNA HIRTZ | EXECUTIVE DIRECTOR Officer | 40 | $91,018 |
| MERLIN GREEN | DIRECTOR Trustee or director | 3 | $0 |
| STEVEN ULSTAD | DIRECTOR Trustee or director | 1 | $0 |
| TIM LOEFFELHOLZ | DIRECTOR Trustee or director | 1 | $0 |
| ANNA ROLING | DIRECTOR Trustee or director | 1 | $0 |
| MERCEDES PFAB | DIRECTOR Trustee or director | 1 | $0 |
| JEFF TUPPER | DIRECTOR Trustee or director | 1 | $0 |
| LAURANA SNYDER | DIRECTOR Trustee or director | 1 | $0 |
| MARSHA ABBOTT | TREASURER Officer | 5 | $0 |
| JEFF MOZENA | PRESIDENT Officer | 5 | $0 |
| DAWN BANDY | VICE PRESIDENT Officer | 5 | $0 |
| WENDY KNIGHT | SECRETARY Officer | 5 | $0 |
990 for the year ended March 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JENNA HIRTZ | EXECUTIVE DIRECTOR Officer | 40 | $82,060 |
| MERLIN GREEN | DIRECTOR Trustee or director | 3 | $0 |
| WYLIE BLEDSOE | DIRECTOR Trustee or director | 1 | $0 |
| MEL GRAVES | DIRECTOR Trustee or director | 1 | $0 |
| LYNNE HAGER | DIRECTOR Trustee or director | 3 | $0 |
| MARSHA ABBOTT | TREASURER Trustee or director, Officer | 5 | $0 |
| DENNIS HOYER | DIRECTOR Trustee or director | 1 | $0 |
| STEVEN ULSTAD | PRESIDENT Trustee or director, Officer | 5 | $0 |
| JEFF MOZENA | VICE PRESIDENT Trustee or director, Officer | 5 | $0 |
| DAWN BANDY | SECRETARY Trustee or director, Officer | 5 | $0 |
| DEBI BUTLER | DIRECTOR Trustee or director | 1 | $0 |
| WENDY KNIGHT | DIRECTOR Trustee or director | 1 | $0 |
| TIM LOEFFELHOLZ | DIRECTOR Trustee or director | 1 | $0 |
| KRISTIN WOODWARD-VAASSEN | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 3800 ARBORETUM DR, DUBUQUE, IA 52001-1040
- Principal officer (990 for 2025)
- JENNA HIRTZ, 3800 ARBORETUM DRIVE, DUBUQUE, IA 52001
- Signed the 990
- JENNA HIRTZ, EXECUTIVE DIRECTOR
- Phone
- (563) 556-2100
- Website
- WWW.DUBUQUEARBORETUM.NET
- Return prepared by
- O'CONNOR BROOKS & CO PC
Mission
TO BECOME A CHERISHED DESTINATION FOR ALL, WHERE VIBRANT GARDENS CREATE TRANSFORMATIVE EXPERIENCES THAT CONNECT PEOPLE, INSPIRE LEARNING, AND DEEPEN APPRECIATION FOR NATURE.
Program accomplishments
- THE DUBUQUE ARBORETUM AND BOTANICAL GARDENS IS A 56 ACRE PUBLIC GARDEN.THIS GARDEN IS MAINTAINED BY OVER 200 VOLUNTEERS WHO ASSIST IN MANY WAYS SUCH AS THE GIFT SHOP, THE GROUNDS, MAINTENANCE, ETC. ALL THE PLANTINGS ON THE GROUNDS HAVE IDENTIFICATION TAGS FOR EDUCATIONAL PURPOSES, THIS ALLOWS THE GARDENS TO BE CONSIDERED A LIVING MUSEUM AS WELL. THE GARDENS HAVE A MIXTURE OF PERENNIAL, ANNUAL, JAPANESE, AND ENGLISH GARDENS AND SO MUCH MORE. TREE COLLECTIONS IN THE ARBORETUM CONSIST OF CONIFERS, OAKS, MAPLES, MAGNOLIAS, ETC. THE GARDEN HOLDS MANY EVENTS INCLUDING CONCERTS EACH SEASON. MANY PEOPLE CHOOSE TO HOLD SPECIAL EVENTS ON BEAUTIFUL GROUNDS AS WELL, SUCH AS WEDDINGS. THE DUBUQUE ARBORETUM AND BOTANICAL GARDENS BRINGS IN OVER 83,000 GUESTS FROM ALL OVER THE WORLD EACH YEAR.Expenses $405,489 · revenue $46,005
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 | Check at the IRS |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 42-1160989
- 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
- 1981
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C410)
- Assets (IRS master file)
- $3,277,202
- Income (IRS master file)
- $1,231,167
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $659,933 | $608,697 | $3,277,202 | IRS |
| 990 | March 2025 | $886,026 | $687,759 | $3,173,709 | XML |
| 990 | March 2024 | $712,767 | $568,131 | $2,932,103 | XML |
| 990 | March 2023 | $474,705 | $417,981 | $2,604,443 | IRS |
| 990 | March 2022 | – | – | – | IRS |
| 990 | March 2021 | – | – | – | IRS |
| 990 | March 2020 | – | – | – | IRS |
| 990 | March 2019 | – | – | – | 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 42-1160989).
Questions about DUBUQUE ARBORETUM ASSOCIATION INC
- What is the EIN of DUBUQUE ARBORETUM ASSOCIATION INC?
- The employer identification number (EIN) of DUBUQUE ARBORETUM ASSOCIATION INC is 42-1160989.
- Is DUBUQUE ARBORETUM ASSOCIATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1981.
- Are donations to DUBUQUE ARBORETUM ASSOCIATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does DUBUQUE ARBORETUM ASSOCIATION 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 DUBUQUE ARBORETUM ASSOCIATION 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 DUBUQUE ARBORETUM ASSOCIATION 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 DUBUQUE ARBORETUM ASSOCIATION INC?
- The 990 for the year ended December 31, 2025 names JENNA HIRTZ.
- Who are the officers and directors of DUBUQUE ARBORETUM ASSOCIATION INC?
- The 990 for the year ended December 31, 2025 lists 13 people; 1 received compensation from the organization, the highest $76,883 (JENNA HIRTZ, EXECUTIVE DIRECTOR).
- How much revenue does DUBUQUE ARBORETUM ASSOCIATION INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $659,933, expenses of $608,697 and total assets of $3,277,202 at year end.
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