Santos Family Foundation

Private foundation · Grantmaker Belmont, MA EIN: 04-3493830

Santos Family Foundation is a private foundation, based in Belmont, MA. IRS filing data is available from 2021 through 2024. As of 2024, the organization holds $1.6M in total assets. In 2024, it awarded 5 grants totaling $171K. Net investment income was $153K.

Key facts about Santos Family Foundation

In short: Santos Family Foundation gave $171K across 5 grants in 2024 (avg $34K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

EIN
04-3493830
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$171,000
Grants made (2024)
5
Average grant
$34,200
Median grant
$30,000
Total assets
$1,606,435
Primary geography
Massachusetts (96% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.6M

-4.6% YoY

Annual Giving

$171K

-30.2% YoY

Grant Count

5

-16.7% YoY

Avg Grant Size

$34K

-16.2% YoY

Under IRS private-foundation payout rules, Santos Family Foundation reported a distributable amount of $97K for 2024 — the minimum it must pay out in qualifying distributions.

How Santos Family Foundation gives

  • Giving held roughly steady from 2021 to 2024 (−7%). Method
  • In 2024 it paid out 236% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of all 5 itemized 2024 grant dollars.

Cities

CambridgeBelmontNeedhamPeterboroughExeterBostonBrooklun

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K7 grants20217 grants20226 grants20235 grants2024

From 2021 to 2024, annual grant giving ranged from $171K (2024) to $249K (2022). In 2024 it made 5 grants totaling $171K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2024

US Department of Transportation Volpe Center: $83KUS Department ofTransportation Volpe Center$83KBelmont Voice: $50KBelmont Voice$50KOlin College of Engineering: $30KOlin College of Engineering$30KPeterborough Unitarian Universalist Church: $6KPeterborough UnitarianUniversalist Church$6KFirst Church of Belmont: $3KFirst Church of Belmont$3K

The largest 2024 recipient was US Department of Transportation Volpe Center ($83K). Together the top 5 received $171K.

Grant Size Distribution

25 grants across all recorded years

15<$50K8$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 15 grants of 25 (60%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
US Department of Transportation Volpe Center Cambridge, MAAuto and Traffic Safety$82,500
Belmont Voice Belmont, MAUnrestricted$50,000
Olin College of Engineering Needham, MAAuto Safety Teaching and Research$30,000
Peterborough Unitarian Universalist Church Peterborough, NHUnrestricted$6,000
First Church of Belmont Belmont, MAUnrestricted$2,500

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K$400K2021202220232024
Metric202420232022
Total Assets$1,606,435$1,684,317$1,887,347
Revenue$176,104$126,757$41,739
Expenses$253,986$329,787$337,389
Qualifying Distributions$229,200$303,200$306,700
Net Investment Income$152,820$104,790$12,916
Distributable Amount$96,922$99,266$122,369

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2024

Leadership & Key People

Officers and directors from IRS filings

Santos Family Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Anne Stuart

    Trustee

    On filings since 2021

    1 hr/week

    No compensation reported

  • Paul J. Santos

    Trustee

    On filings since 2021

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2021–2024. "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 Santos Family Foundation

How much does Santos Family Foundation give each year?

Santos Family Foundation gave $171K across 5 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $245K across 6 grants.

What is Santos Family Foundation's typical grant size?

Santos Family Foundation's median grant in 2024 was $30,000, and its average grant was $34,200, across 5 grants on its 2024 IRS Form 990-PF.

Where does Santos Family Foundation give grants?

Santos Family Foundation gives mostly in Massachusetts: 96% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Belmont, MA (2 grants).

Does Santos Family Foundation give general operating support?

Yes: 60% of Santos Family Foundation's 2024 grants with a stated purpose (3 of 5) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Santos Family Foundation's largest grantees?

Santos Family Foundation's largest 2024 grantees include US Department of Transportation Volpe Center ($82,500), Belmont Voice ($50,000) and Olin College of Engineering ($30,000), according to its 2024 IRS Form 990-PF. Together they received 95% of its itemized 2024 grant dollars.

How large is Santos Family Foundation?

Santos Family Foundation reported $1.6M in total assets on its 2024 IRS Form 990-PF. It paid out $229K in qualifying distributions that year, against a required minimum of $97K (roughly 5% of its investment assets).

What is Santos Family Foundation's EIN?

Santos Family Foundation's EIN (Employer Identification Number) is 04-3493830. IRS Form 990 filing data is available on this page for 2021–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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