Mastwood Charitable Foundation
Mastwood Charitable Foundation is a private foundation based in Boston, Massachusetts. In its 2025 filing, it reported 19 grants totaling $16,750 to charitable organizations, including arts and humanities organizations, environmental groups, and schools.
Mastwood Charitable Foundation at a glance
In short: Mastwood Charitable Foundation gave $17K across 19 grants in 2025 (avg $881.579), top state Massachusetts. 5% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $16,750
- +1.5% vs 2024
- Grants made (2025)
- 19
- +0.0% vs 2024
- Average grant
- $882
- +1.5% vs 2024
- Median grant
- $1,000
- Total assets
- $245,752
- +5.8% vs 2024
- New grantees (estimate)
- 5% first-time grantees (1 of 19, 2025; small sample)
- Primary geography
- Massachusetts (45% 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 Mastwood Charitable Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: PO Box 55806, Boston, MA 02205-5806
Phone: (617) 482-5270
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mastwood Charitable Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Avaloch Farm Music Institute ($4K). Together the top 10 received $13K.
Grant Size Distribution
76 grants across all recorded years
The most common grant size was under $50K: 76 grants of 76 (100%).
Geographic Focus
Where this funder awards grants
In 2025, Massachusetts recipients received 45% of grant dollars and New Hampshire recipients received 24%. New York received 7%, while Illinois and Ohio each received 6%. These figures describe the distribution of the foundation’s 2025 grants.
Grant Distribution by State
Share of 2025 grant dollars across all 19 itemized grants.
Cities
Is Mastwood Charitable Foundation open to new grantees?
5%
first-time grantees, 2025
In 2025, 1 of 19 grantees (5%) were first-time recipients. With only 19 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $4K; repeat grants $708. How we count
Medians: $4K first-time, $750 repeat.
- 95% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+0%). Method
- In 2025 it paid out 115% of its IRS minimum distribution (the 5% rule). 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 $13K (2020) to $17K (2022). In 2025 it made 19 grants totaling $17K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Avaloch Farm Music Institute Boscawen, NH | General Purposes | $4,000 |
| American Academy in Rome New York, NY | General Purposes | $1,000 |
| Boston Early Musical Festival Cambridge, MA | General Purposes | $1,000 |
| Trustees of the Reservation Boston, MA | General Purposes | $1,000 |
| Blue Heron Renaissance Choir West Newton, MA | General Purposes | $1,000 |
| Essex County Greenbelt Essex, MA | General Purposes | $1,000 |
| Aashnational Office Chicago, IL | General Purposes | $1,000 |
| Signet Associates Cambridge, MA | General Purposes | $1,000 |
| Ipswich River Watershed Assoc Ipswich, MA | General Purposes | $1,000 |
| Appollo's Fire Cleveland Heights, OH | General Purposes | $1,000 |
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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 | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $245,752 | $34,862 | $21,374 | $16,750 | 19 | $18,210 | $30,661 | $15,826 |
| 2024 | $232,264 | $15,700 | $20,766 | $16,500 | 19 | $17,875 | $16,049 | $15,679 |
| 2023 | $237,330 | $7,307 | $19,011 | $15,250 | 13 | $16,407 | $4,504 | $14,576 |
| 2022 | $249,034 | $6,108 | $21,216 | $16,800 | 13 | $17,925 | $5,879 | $15,243 |
| 2021 | $264,143 | $23,543 | $17,858 | $13,850 | 12 | $14,805 | $19,043 | $17,034 |
| 2020 | $258,458 | $23,450 | $17,508 | $13,250 | 12 | — | $18,661 | $14,731 |
Under IRS private-foundation payout rules, Mastwood Charitable Foundation reported a distributable amount of $16K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. For example, Blue Heron Renaissance Choir says its mission is to increase public appreciation of Renaissance music through performances and educational programs; the American Academy in Rome describes itself as a residential institute for advanced work in the arts and humanities; and Essex County Greenbelt and Ipswich River Watershed Association were also among the listed grant recipients. These are grantees’ descriptions, not stated areas of focus for the foundation.
Grantmaking
In 2025, the foundation made 19 grants totaling $16,750. Grants ranged from $250 to $4,000, with a median grant of $1,000. The largest listed grant was $4,000 to Avaloch Farm Music Institute in Boscawen, New Hampshire, for general purposes.
Other listed grants included $1,000 each to the American Academy in Rome, Boston Early Musical Festival, Trustees of the Reservation, Blue Heron Renaissance Choir, Essex County Greenbelt, AASH National Office, Signet Associates, Ipswich River Watershed Association, and Apollo’s Fire. Early Music America received $500, and Kieve-Wavus Education received $500. The listed purposes were “general purposes.”
Leadership & Key People
Leadership team and compensation from IRS filings
The foundation’s 2025 filing lists Fiduciary Trust Company and Margaret Badenhausen as trustees.
Mastwood Charitable Foundation's 2025 filing lists 2 officers; 1 of 2 officers listed in 2025 is compensated.
Officers on the 2025 filing
Fiduciary Trust Company
Trustee
On filings since 2020
$3K (2020) → $3K (2025)
Margaret Badenhausen
Trustee
On filings since 2020
No compensation reported
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $3K, to Fiduciary Trust Company (Trustee).
Frequently asked questions about Mastwood Charitable Foundation
How much does Mastwood Charitable Foundation give each year?
Mastwood Charitable Foundation gave $17K across 19 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $17K across 19 grants.
What is Mastwood Charitable Foundation's typical grant size?
Mastwood Charitable Foundation's median grant in 2025 was $1,000, and its average grant was $882, across 19 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Mastwood Charitable Foundation that year got $4K on average.
Where does Mastwood Charitable Foundation give grants?
Mastwood Charitable Foundation's top state is Massachusetts, with 45% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New Hampshire (24%) and New York (7%). The most frequent recipient cities were Cambridge, MA (3 grants), New York, NY (2 grants), Boston, MA (2 grants) and Essex, MA (2 grants).
Does Mastwood Charitable Foundation give general operating support?
Yes: 100% of Mastwood Charitable Foundation's 2025 grants with a stated purpose (19 of 19) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Mastwood Charitable Foundation's largest grantees?
Mastwood Charitable Foundation's largest 2025 grantees include Avaloch Farm Music Institute ($4,000), American Academy in Rome ($1,000) and Boston Early Musical Festival ($1,000), according to its 2025 IRS Form 990-PF. Together they received 36% of its itemized 2025 grant dollars.
How large is Mastwood Charitable Foundation?
Mastwood Charitable Foundation reported $246K in total assets on its 2025 IRS Form 990-PF. It paid out $18K in qualifying distributions that year, against a required minimum of $16K (roughly 5% of its investment assets).
What does Mastwood Charitable Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants show support for a range of organizations. See mission & focus areas ↑
How do I apply for a grant from Mastwood Charitable Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Mastwood Charitable Foundation's EIN?
Mastwood Charitable Foundation's EIN (Employer Identification Number) is 04-3530135. IRS Form 990 filing data is available on this page for 2020–2025.
Does Mastwood Charitable Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS April 27, 2026)
- IRS filings on file for fiscal years 2020–2024
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Figures come from Mastwood Charitable Foundation'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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