Sonnenberg Gardens and Mansion- State Historic Park
Sonnenberg gardens and mansion preserves the living collection of nine historic gardens and interprets, and promotes the life, times, and legacy of canandaigua's thompson family estate.
Key facts about Sonnenberg Gardens and Mansion- State Historic Park
- EIN
- 23-7089093
- Latest 990 filing
- Form 990, 2025
- Total assets
- $4,713,098
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$4.7M
+2.9% YoY
Revenue
$1.3M
+12.1% YoY
Net Investment Income
$163K
-15.2% YoY
Expenses
$1.2M
+6.1% YoY
About Sonnenberg Gardens and Mansion- State Historic Park
Based on IRS filings
Sonnenberg Gardens and Mansion- State Historic Park is a public charity focused on Environment & Animals, based in Canandaigua, NY. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $4.7M in total assets. Net investment income was $163K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2021, annual grant giving ranged from $550K (2019) to $666K (2020). In 2021 it made 1 grant totaling $648K.
Grant Insights
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was in the $500K–1M range: 1 grant of 1 (100%).
Giving History
Grant recipients and amounts by year
No grants recorded for 2025.
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $4,713,098 | $4,580,518 | $4,573,897 |
| Revenue | $1,295,400 | $1,155,799 | $4,420,166 |
| Expenses | $1,235,970 | $1,165,102 | $1,541,808 |
| Net Investment Income | $163,367 | $192,610 | $59,456 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS August 6, 2020)
- Added Form 990 for fiscal year 2025 (received by the IRS June 3, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Sonnenberg Gardens and Mansion- State Historic Park is led by David Hutchings, Executive Director on every filing since 2019; 1 of 15 officers listed in 2025 is compensated.
Officers on the 2025 filing
David Hutchings
Executive Director
On filings since 2019
50 hrs/week
$82K (2019) → $109K (2025)
Candice Smith
Board Member -
Board Member → Board Member -, 2025
On filings since 2019
1.5 hrs/week
No compensation reported
Michael Rusinko
Treasurer
Treasurer → Vice Chair, 2022
Vice Chair → Treasurer, 2024
On filings since 2019
2.5 hrs/week
No compensation reported
Robert Bennett
Board Member
Vice Chair - → Board Member - Joined During Year, 2024
Board Member - Joined During Year → Board Member, 2025
On filings since 2019
1.5 hrs/week
No compensation reported
Katherine Parsons
Co-Chair
Board Member → Secretary, 2022
Secretary → Co-Chair, 2024
On filings since 2020
2.5 hrs/week
No compensation reported
Paul Harvey
Board Member
On filings since 2020
1.5 hrs/week
No compensation reported
Ellen Polimeni
Board Member
Board Member - Joined During Year → Board Member - Joined Duri, 2023
Board Member - Joined Duri → Board Member, 2024
On filings since 2022
1.5 hrs/week
No compensation reported
Jay Dutcher
Board Member
Board Member - Joined During Year → Board Member - Joined Duri, 2023
Board Member - Joined Duri → Board Member, 2024
On filings since 2022
1.5 hrs/week
No compensation reported
Joseph Majewski
Secretary
Board Member - Joined During Year → Board Member - Joined Duri, 2023
Board Member - Joined Duri → Secretary, 2024
On filings since 2022
2.5 hrs/week
No compensation reported
Eric Multer
Board Member
On filings since 2023
1.5 hrs/week
No compensation reported
Gehrig Lohrmann
Board Member -
Board Member → Board Member -, 2025
On filings since 2023
1.5 hrs/week
No compensation reported
Greg Gullo
Co-Chair
Board Member → Co-Chair, 2024
On filings since 2023
2.5 hrs/week
No compensation reported
Debra Martin
Board Member
Board Member - Joined During Year → Board Member, 2025
On filings since 2024
1.5 hrs/week
No compensation reported
Mark Sheppard
Board Member - Joined During Year
New on the 2025 filing
1.5 hrs/week
No compensation reported
Susan Krobusek
Board Member - Joined During Year
New on the 2025 filing
1.5 hrs/week
No compensation reported
Former officers (15)
- Former: Cheryl Adas (2019–2023) — Vice Chair
- Former: John Tharp (2019–2023) — State Regional Representative
- Former: Katherine O'Brien (2019–2023) — Board Chair
- Former: Kathleen Hendrix (2019–2023) — Board Member
- Former: Kristy Merriman (2019–2023) — Treasurer
- Former: Ryan Wilmer (2019–2023) — Board Member
- Former: Charles Perfetti (2019–2022) — Board Member - Resign During Year
- Former: Jacqueline D. Biernat (2019–2022) — Secretary -
- Former: Kristen M. Fragnoli (2019–2022) — Board Chair -
- Former: Stephen Flamini (2019–2022) — Board Member - Resign During Year
- Former: Roxanne Kise (2019–2020) — Board Member
- Former: Brian Young (2019) — Board Member
- Former: Diana R. Johnson (2019) — Treasurer
- Former: Kathy Rayburn (2019) — Board Member
- Former: Vincent Scalise (2019) — Board Member
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $109K, to David Hutchings (Executive Director).
Frequently asked questions about Sonnenberg Gardens and Mansion- State Historic Park
How large is Sonnenberg Gardens and Mansion- State Historic Park?
Sonnenberg Gardens and Mansion- State Historic Park reported $4.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.3M.
What is Sonnenberg Gardens and Mansion- State Historic Park?
Sonnenberg Gardens and Mansion- State Historic Park is a public charity focused on Environment & Animals, based in Canandaigua, NY. It holds $4.7M in total assets as of 2025.
Where does Sonnenberg Gardens and Mansion- State Historic Park operate?
Sonnenberg Gardens and Mansion- State Historic Park has awarded grants in New York.
What is Sonnenberg Gardens and Mansion- State Historic Park's EIN?
Sonnenberg Gardens and Mansion- State Historic Park's EIN (Employer Identification Number) is 23-7089093. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching Sonnenberg Gardens and Mansion- State Historic Park by hand.
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