Lake Mahopac Rotary Foundation Inc
Lake Mahopac Rotary Foundation Inc is a private foundation based in Mahopac, New York. Its 2025 filing describes an application process asking applicants to document their graduation status from Mahopac High School and their service history at charitable events and functions.
Lake Mahopac Rotary Foundation Inc at a glance
In short: Lake Mahopac Rotary Foundation Inc gave $50K across 32 grants in 2025 (avg $2K), mostly in New York. 23% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $50,100
- +5.5% vs 2024
- Grants made (2025)
- 32
- +14.3% vs 2024
- Average grant
- $1,566
- -7.7% vs 2024
- Median grant
- $1,250
- Total assets
- $224,198
- +11.3% vs 2024
- New grantees (estimate)
- 23% first-time grantees (5 of 22, 2025; small sample)
- Primary geography
- New York (92% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Lake Mahopac Rotary Foundation Inc
- How to Apply
The filing's application instructions describe its scholarships for Mahopac High School graduates: contact Denis J Marousek with a written application detailing graduation status from Mahopac High School and service…
The filing's application instructions describe its scholarships for Mahopac High School graduates: contact Denis J Marousek with a written application detailing graduation status from Mahopac High School and service history regarding charitable events and functions. The filing lists proof of completed college or vocational courses, or charity, as a restriction on awards.
- Review Cycle
- June 30.
- Deadline
- June 30.
- Contact
Application contact: Denis J Marousek
Mailing address: 108 Vista Terrace S, Mahopac, NY 10541
Phone: (845) 628-4404
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Lake Mahopac Rotary Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Ryla ($4K). Together the top 10 received $27K.
Organizations only. It also paid 10 individual scholarships ($11,250), which are not listed by name.
Grant Size Distribution
122 grants across all recorded years
The most common grant size was under $50K: 122 grants of 122 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 92% of grant dollars went to recipients in New York and 8% to recipients in California. The listed New York recipients include organizations in Mahopac, Brewster, and Carmel.
Grant Distribution by State
Share of 2025 grant dollars across all 32 itemized grants.
Cities
Is Lake Mahopac Rotary Foundation Inc open to new grantees?
23%
first-time grantees, 2025
In 2025, 5 of 22 grantees (23%) were first-time recipients. With only 22 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $1K; repeat grants $2K. How we count
Medians: $1K first-time, $2K repeat.
- 68% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+7%). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $18K (2020) to $55K (2023). In 2025 it made 32 grants totaling $50K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Ryla Encinitas, CA | Charitable | $3,850 |
| Putnam Community Action PTNR Brewster, NY | Charitable | $3,500 |
| Cove Care Carmel, NY | Charitable | $2,500 |
| Putnam NW Womens Resource Ctr Mahopac, NY | Charitable | $2,500 |
| Second Chance Foods Carmel, NY | Charitable | $2,500 |
| Blue Path Service Dogs Hopewell Junction, NY | Charitable | $2,500 |
| Putnam Service Dogs Brewster, NY | Charitable | $2,500 |
| Putnam County Childrens Committee Carmel, NY | Charitable | $2,500 |
| Pegasus Therapeutic Riding Brewster, NY | Charitable | $2,500 |
| Putnam Arts Council Mahopac, NY | Charitable | $2,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $224,198 | $73,694 | $50,876 | $50,100 | 32 | $50,100 | $374 |
| 2024 | $201,380 | $72,077 | $50,988 | $47,484 | 28 | $47,484 | $76 |
| 2023 | $180,291 | $62,717 | $55,412 | $54,661 | 25 | $54,661 | $66 |
| 2022 | $172,986 | $70,655 | $50,431 | $46,866 | 19 | $46,866 | $65 |
| 2021 | $152,762 | $96,823 | $35,224 | $34,254 | 18 | $34,254 | $101 |
| 2020 | $91,163 | $5,173 | $18,692 | $17,653 | 11 | — | $158 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s own mission is not stated in the available information. Its 2025 grants included support for organizations whose work, as described by the organizations themselves, includes equine-assisted activities and therapies for people with disabilities and challenges (Pegasus Therapeutic Riding), rescuing food to reduce waste and local hunger (Second Chance Foods), training rescue dogs as service dogs for people with physical disabilities and veterans with PTSD (Putnam Service Dogs), and fostering the arts in Putnam County (Putnam Arts Council).
Grantmaking
In 2025, the foundation made 32 grants totaling $50,100. Grant amounts ranged from $250 to $3,850, with a median of $1,250. The largest listed awards were $3,850 to RYLA; $3,500 to Putnam Community Action PTNR; and $2,500 each to Cove Care, Putnam NW Womens Resource Ctr, Second Chance Foods, Blue Path Service Dogs, Putnam Service Dogs, Putnam County Childrens Committee, and Pegasus Therapeutic Riding. Other listed awards included $2,000 each to Putnam Arts Council and Putnam Chorale, and $1,500 to Prevention Council of Putnam. The filing states that giving is not restricted to preselected organizations.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Denis J Marousek as president, Grace M Vinciguerra as vice president, William J Carlin Jr as treasurer, and Regina Morini and Keiren Farquhar as board members.
Lake Mahopac Rotary Foundation Inc is led by Denis J. Marousek, President on every filing since 2020; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Denis J. Marousek
President
On filings since 2020
5 hrs/week
No compensation reported
Grace M. Vinciguerra
Vice President
Board Member → Vice President, 2024
On filings since 2020
2 hrs/week
No compensation reported
William J. Carlin Jr.
Treasurer
On filings since 2020
2 hrs/week
No compensation reported
Regina Morini
Board Member
Vice President → Board Member, 2024
On filings since 2022
2 hrs/week
No compensation reported
Keiren Farquhar
Board Member
On filings since 2024
2 hrs/week
No compensation reported
Former officers (1)
- Former: Joseph Demarzo (2020–2021) — Vice President
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Lake Mahopac Rotary Foundation Inc
How much does Lake Mahopac Rotary Foundation Inc give each year?
Lake Mahopac Rotary Foundation Inc gave $50K across 32 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $47K across 28 grants.
What is Lake Mahopac Rotary Foundation Inc's typical grant size?
Lake Mahopac Rotary Foundation Inc's median grant in 2025 was $1,250, and its average grant was $1,566, across 32 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Lake Mahopac Rotary Foundation Inc that year got $1K on average.
Where does Lake Mahopac Rotary Foundation Inc give grants?
Lake Mahopac Rotary Foundation Inc gives mostly in New York: 92% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was California (8%). The most frequent recipient cities were Carmel, NY (9 grants), Mahopac, NY (5 grants) and Brewster, NY (4 grants).
Does Lake Mahopac Rotary Foundation Inc give general operating support?
Not in 2025: none of the 32 grants with a stated purpose on Lake Mahopac Rotary Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (22 grants) and "Scholarship" (10 grants).
Who are Lake Mahopac Rotary Foundation Inc's largest grantees?
Lake Mahopac Rotary Foundation Inc's largest 2025 grantees include Ryla ($3,850), Putnam Community Action PTNR ($3,500) and Cove Care ($2,500), according to its 2025 IRS Form 990-PF. It also paid 10 individual scholarships ($11,250), which are not listed by name. Together they received 20% of its itemized 2025 grant dollars.
How large is Lake Mahopac Rotary Foundation Inc?
Lake Mahopac Rotary Foundation Inc reported $224K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $74K.
What does Lake Mahopac Rotary Foundation Inc fund?
The foundation’s own mission is not stated in the available information. See mission & focus areas ↑
How do I apply for a grant from Lake Mahopac Rotary Foundation Inc?
The filing's application instructions describe its scholarships for Mahopac High School graduates: contact Denis J Marousek with a written application detailing graduation status from Mahopac High School and service… Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Lake Mahopac Rotary Foundation Inc's EIN?
Lake Mahopac Rotary Foundation Inc's EIN (Employer Identification Number) is 14-1746381. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS July 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS June 2, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
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Cite this profile
Grantable. (2026). Lake Mahopac Rotary Foundation Inc funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/lake-mahopac-rotary-foundation-inc-morg_c54560d44fa5478fa33c2f1d708fb5ee
BibTeX
@misc{grantable_141746381_2026,
author = {{Grantable}},
title = {{Lake Mahopac Rotary Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/lake-mahopac-rotary-foundation-inc-morg_c54560d44fa5478fa33c2f1d708fb5ee},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Lake Mahopac Rotary Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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