Mazar Family Charitable Foundation Trust
Mazar Family Charitable Foundation Trust is a private foundation based in Boston, Massachusetts. In its 2024 filing, it reported purchasing mountain terrain in Costa Rica’s Puntarenas Province for wildlife protection and preservation, and it reported making grants to charitable organizations.
Mazar Family Charitable Foundation Trust at a glance
In short: Mazar Family Charitable Foundation Trust gave $612K across 68 grants in 2024 (avg $9K), top state Massachusetts. 21% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $612,144
- +1.1% vs 2023
- Grants made (2024)
- 68
- +7.9% vs 2023
- Average grant
- $9,002
- -6.4% vs 2023
- Median grant
- $4,750
- Total assets
- $13,044,809
- +16.8% vs 2023
- New grantees (estimate)
- 21% first-time grantees (14 of 68, 2024)
- Primary geography
- Massachusetts (47% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Mazar Family Charitable Foundation Trust
- 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: Co Fpw 201 Washington St 11Th Fl, Boston, MA 02108
Phone: (617) 723-8200
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Mazar Family Charitable Foundation Trust funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was OSA Conservation ($100K). Together the top 10 received $359K.
Grant Size Distribution
325 grants across all recorded years
The most common grant size was under $50K: 317 grants of 325 (98%).
Geographic Focus
Where this funder awards grants
In 2024, Massachusetts recipients received 47% of grant dollars, followed by recipients in Washington, DC (20%), New York (14%), Virginia (6%), and California (3%). The foundation also reported purchasing mountain terrain in Puntarenas Province, Costa Rica, for wildlife protection and preservation.
Grant Distribution by State
Share of 2024 grant dollars across all 68 itemized grants.
States
Cities
Is Mazar Family Charitable Foundation Trust open to new grantees?
21%
first-time grantees, 2024
In 2024, 14 of 68 grantees (21%) were first-time recipients. First grants averaged $3K; repeat grants $11K. How we count
Medians: $4K first-time, $5K repeat.
- 72% of 2024 grantees were also funded in 2023. Method
- Giving grew 77% from 2021 to 2024. Method
- In 2024 it paid out 101% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). 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 2024, annual grant giving ranged from $346K (2021) to $612K (2024). In 2024 it made 68 grants totaling $612K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| OSA Conservation Washington, DC | General | $100,000 |
| Village & Wilderness Oak Bluffs, MA | General | $70,000 |
| Metacomet Land Trust Franklin, MA | General | $50,000 |
| Nature Conservancy Arlington, VA | General | $30,000 |
| FOS Feminista New York, NY | General | $20,000 |
| Pathfinder International Watertown, MA | General | $20,000 |
| UNICEF New York, NY | General | $20,000 |
| Biodiversity Works Edgartown, MA | General | $17,500 |
| New England Futbol Club Mendon, MA | General | $16,050 |
| Care Atlanta, GA | General | $15,000 |
Ready to take the next step with Mazar Family Charitable Foundation Trust?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $13,044,809 | $2,528,171 | $652,128 | $612,144 | 68 | $1,114,699 | $2,510,735 | $1,102,543 |
| 2023 | $11,169,433 | $2,974,339 | $634,649 | $605,627 | 63 | $1,106,892 | $167,381 | $1,022,001 |
| 2022 | $10,736,815 | $123,059 | $564,234 | $490,755 | 66 | $993,336 | $107,435 | $941,186 |
| 2021 | $11,184,168 | $1,367,887 | $425,857 | $346,008 | 65 | $348,041 | $1,623,322 | $965,264 |
| 2020 | $9,969,345 | $1,424,012 | $765,432 | $442,653 | 63 | — | $1,877,719 | $583,325 |
Under IRS private-foundation payout rules, Mazar Family Charitable Foundation Trust reported a distributable amount of $1.1M for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s 2024 filing describes its Costa Rica land purchase as dedicated to wildlife protection and preservation. Its grants also went to organizations with varied missions. For example, Metacomet Land Trust describes its work as protecting open land and natural resources, providing affordable housing, and educating the public about conservation. The Center for Biological Diversity says it works to secure a future for species through science, law, and creative media. Other 2024 recipients include organizations whose stated missions address food access, human rights, humanitarian response, and Native student and tribal college education.
Grantmaking
In 2024, the foundation made 68 grants totaling $612,144. Grant amounts ranged from $100 to $100,000, with a median grant of $4,750. Among the largest were OSA Conservation ($100,000), Village & Wilderness ($70,000), Metacomet Land Trust ($50,000), The Nature Conservancy ($30,000), and Fos Feminista, Pathfinder International, and UNICEF ($20,000 each). The listed grants were designated for general purposes.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Brian Mazar and Anne Mazar as trustees.
Mazar Family Charitable Foundation Trust's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Anne Mazar
Trustee
On filings since 2020
1 hr/week
No compensation reported
Brian Mazar
Trustee
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 Mazar Family Charitable Foundation Trust
How much does Mazar Family Charitable Foundation Trust give each year?
Mazar Family Charitable Foundation Trust gave $612K across 68 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $606K across 63 grants.
What is Mazar Family Charitable Foundation Trust's typical grant size?
Mazar Family Charitable Foundation Trust's median grant in 2024 was $4,750, and its average grant was $9,002, across 68 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Mazar Family Charitable Foundation Trust that year got $3K on average.
Where does Mazar Family Charitable Foundation Trust give grants?
Mazar Family Charitable Foundation Trust's top state is Massachusetts, with 47% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were District of Columbia (20%) and New York (14%). The most frequent recipient cities were Boston, MA (10 grants), New York, NY (7 grants), Washington, DC (5 grants) and Edgartown, MA (3 grants).
Does Mazar Family Charitable Foundation Trust give general operating support?
Yes: 97% of Mazar Family Charitable Foundation Trust's 2024 grants with a stated purpose (66 of 68) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Mazar Family Charitable Foundation Trust's largest grantees?
Mazar Family Charitable Foundation Trust's largest 2024 grantees include OSA Conservation ($100,000), Village & Wilderness ($70,000) and Metacomet Land Trust ($50,000), according to its 2024 IRS Form 990-PF. Together they received 36% of its itemized 2024 grant dollars.
How large is Mazar Family Charitable Foundation Trust?
Mazar Family Charitable Foundation Trust reported $13.0M in total assets on its 2024 IRS Form 990-PF. It paid out $1.1M in qualifying distributions that year, against a required minimum of $1.1M (roughly 5% of its investment assets).
What does Mazar Family Charitable Foundation Trust fund?
The foundation’s 2024 filing describes its Costa Rica land purchase as dedicated to wildlife protection and preservation. Its grants also went to organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from Mazar Family Charitable Foundation Trust?
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 Mazar Family Charitable Foundation Trust's EIN?
Mazar Family Charitable Foundation Trust's EIN (Employer Identification Number) is 04-3344681. IRS Form 990 filing data is available on this page for 2020–2024.
Does Mazar Family Charitable Foundation Trust 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Mazar Family Charitable Foundation Trust funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/mazar-family-charitable-foundation-trust-morg_e1f770166c0148d4927f585010515b8f
BibTeX
@misc{grantable_043344681_2026,
author = {{Grantable}},
title = {{Mazar Family Charitable Foundation Trust funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/mazar-family-charitable-foundation-trust-morg_e1f770166c0148d4927f585010515b8f},
note = {Accessed 2026-10-05. 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 Mazar Family Charitable Foundation Trust'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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