Grants paid by Mastwood Charitable Foundation
EIN 04-3530135 · Boston, MA · Form 990-PF, Part XV · NTEE T20
Mastwood Charitable Foundation of Boston, MA (EIN 04-3530135) reported 88 grants paid totaling $92,400 to 22 recipients in tax years 2020–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$92,400
88 grants
Recipients
22
distinct organizations
Tax years
2020–2025
6 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2020 | 12 | $13,250 | — |
| 2021 | 12 | $13,850 | — |
| 2022 | 13 | $16,800 | — |
| 2023 | 13 | $15,250 | — |
| 2024 | 19 | $16,500 | — |
| 2025 | 19 | $16,750 | — |
Top recipients
The 22 recipients receiving the most from Mastwood Charitable Foundation, by grants paid, out of 22 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Essex County Greenbelt 04-2664297 | C | Essex, MA | 6 | $11,000 | 2025 |
| Trustees of the Reservation | U | Boston, MA | 6 | $11,000 | 2025 |
| Signet Associates 04-6040508 | B | Cambridge, MA | 6 | $8,000 | 2025 |
| Aashnational Office | U | Chicago, IL | 6 | $7,000 | 2025 |
| Blue Heron Renaissance Choir 04-3522239 | B | West Newton, MA | 6 | $6,000 | 2025 |
| Ipswich River Watershed Assoc 04-2615125 | C | Ipswich, MA | 6 | $6,000 | 2025 |
| American Academy in Rome 13-1623881 | C | New York, NY | 6 | $6,000 | 2025 |
| Raw Art Works 22-2854850 | B | Lynn, MA | 3 | $6,000 | 2022 |
| The Open Door 46-1898738 | D | Gloucester, MA | 3 | $4,150 | 2023 |
| Appollo's Fire | U | Cleveland Heights, OH | 6 | $4,000 | 2025 |
| Avaloch Farm Music Institute 45-2767963 | D | Boscawen, NH | 1 | $4,000 | 2025 |
| Early Music America 13-3318348 | B | Pittsburgh, PA | 6 | $3,500 | 2025 |
| San Francisco Friends School 94-3397589 | B | San Francisco, CA | 4 | $3,500 | 2025 |
| Kieve-Wavus Education 23-7352599 | B | Nobleboro, ME | 6 | $3,000 | 2025 |
| Accord Food Pantry | U | South Hamilton, MA | 3 | $2,500 | 2024 |
| Boston Early Musical Festival 04-2704827 | C | Cambridge, MA | 2 | $2,000 | 2025 |
| University of North Carolina | U | Chapel Hill, NC | 2 | $1,000 | 2025 |
| American Academy of Arts and Sciences 04-2103651 | B | Cambridge, MA | 2 | $1,000 | 2025 |
| Groton School 04-2104265 | B | Groton, MA | 2 | $1,000 | 2025 |
| Ipswich Local News | U | New York, NY | 2 | $750 | 2025 |
| Essex Shipbuilding Museum | U | Essex, MA | 2 | $500 | 2025 |
| Medieval Academy of America 04-2326290 | B | Boston, MA | 2 | $500 | 2025 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 88 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | Avaloch Farm Music Institute Boscawen, NH | D | $4,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Trustees of the Reservation Boston, MA | U | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Ipswich River Watershed Assoc Ipswich, MA | C | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Essex County Greenbelt Essex, MA | C | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Signet Associates Cambridge, MA | B | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Boston Early Musical Festival Cambridge, MA | C | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Appollo's Fire Cleveland Heights, OH | U | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Aashnational Office Chicago, IL | U | $1,000 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | American Academy of Arts and Sciences Cambridge, MA | B | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | San Francisco Friends School San Francisco, CA | B | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Groton School Groton, MA | B | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Early Music America Pittsburgh, PA | B | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | University of North Carolina Chapel Hill, NC | U | $500 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Ipswich Local News New York, NY | U | $250 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Medieval Academy of America Boston, MA | B | $250 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2025 | Essex Shipbuilding Museum Essex, MA | U | $250 | paid | GENERAL PURPOSES | 202631179349101113 |
| 2024 | Essex County Greenbelt Essex, MA | C | $2,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Trustees of the Reservation Boston, MA | U | $2,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Boston Early Musical Festival Cambridge, MA | C | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Appollo's Fire Cleveland Heights, OH | U | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | San Francisco Friends School San Francisco, CA | B | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Signet Associates Cambridge, MA | B | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Ipswich River Watershed Assoc Ipswich, MA | C | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Early Music America Pittsburgh, PA | B | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Aashnational Office Chicago, IL | U | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | University of North Carolina Chapel Hill, NC | U | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | American Academy of Arts and Sciences Cambridge, MA | B | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Groton School Groton, MA | B | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Accord Food Pantry South Hamilton, MA | U | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Ipswich Local News New York, NY | U | $500 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Medieval Academy of America Boston, MA | B | $250 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2024 | Essex Shipbuilding Museum Essex, MA | U | $250 | paid | GENERAL PURPOSES | 202512949349100721 |
| 2023 | Trustees of the Reservation Boston, MA | U | $2,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Essex County Greenbelt Essex, MA | C | $2,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Signet Associates Cambridge, MA | B | $2,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Aashnational Office Chicago, IL | U | $2,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | San Francisco Friends School San Francisco, CA | B | $1,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | The Open Door Gloucester, MA | D | $1,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Accord Food Pantry South Hamilton, MA | U | $1,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Ipswich River Watershed Assoc Ipswich, MA | C | $750 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Early Music America Pittsburgh, PA | B | $500 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Appollo's Fire Cleveland Heights, OH | U | $500 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2023 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202413139349101966 |
| 2022 | Trustees of the Reservation Boston, MA | U | $2,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Raw Art Works Lynn, MA | B | $2,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Essex County Greenbelt Essex, MA | C | $2,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Signet Associates Cambridge, MA | B | $2,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Ipswich River Watershed Assoc Ipswich, MA | C | $1,750 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | The Open Door Gloucester, MA | D | $1,550 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Aashnational Office Chicago, IL | U | $1,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | San Francisco Friends School San Francisco, CA | B | $1,000 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Appollo's Fire Cleveland Heights, OH | U | $500 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2022 | Early Music America Pittsburgh, PA | B | $500 | paid | GENERAL PURPOSES | 202311229349101981 |
| 2021 | Raw Art Works Lynn, MA | B | $2,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Trustees of the Reservation Boston, MA | U | $2,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Essex County Greenbelt Essex, MA | C | $2,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | The Open Door Gloucester, MA | D | $1,600 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Aashnational Office Chicago, IL | U | $1,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Signet Associates Cambridge, MA | B | $1,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Ipswich River Watershed Assoc Ipswich, MA | C | $750 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Appollo's Fire Cleveland Heights, OH | U | $500 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2021 | Early Music America Pittsburgh, PA | B | $500 | paid | GENERAL PURPOSES | 202211179349100906 |
| 2020 | Essex County Greenbelt Essex, MA | C | $2,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Raw Art Works Lynn, MA | B | $2,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Trustees of the Reservation Boston, MA | U | $2,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Accord Food Pantry South Hamilton, MA | U | $1,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Aashnational Office Chicago, IL | U | $1,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | American Academy in Rome New York, NY | C | $1,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Blue Heron Renaissance Choir West Newton, MA | B | $1,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Signet Associates Cambridge, MA | B | $1,000 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Ipswich River Watershed Assoc Ipswich, MA | C | $750 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Kieve-Wavus Education Nobleboro, ME | B | $500 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Appollo's Fire Cleveland Heights, OH | U | $500 | paid | GENERAL PURPOSES | 202141339349102219 |
| 2020 | Early Music America Pittsburgh, PA | B | $500 | paid | GENERAL PURPOSES | 202141339349102219 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-12-31 | not stated | 2025v4.0 | 202631179349101113 |
| 990PF | 2024 | 2024-12-31 | not stated | 2024v5.2 | 202512949349100721 |
| 990PF | 2023 | 2023-12-31 | not stated | 2023v5.1 | 202413139349101966 |
| 990PF | 2022 | 2022-12-31 | not stated | 2022v5.0 | 202311229349101981 |
| 990PF | 2021 | 2021-12-31 | not stated | 2021v4.1 | 202211179349100906 |
| 990PF | 2020 | 2020-12-31 | not stated | 2020v4.0 | 202141339349102219 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/043530135.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.