Brownstein Family Foundation

Private foundation · Grantmaker Stamford, CT EIN: 82-1550563

Brownstein Family Foundation is a private foundation, based in Stamford, CT. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $4K in total assets. In 2025, it awarded 6 grants totaling $281K. Net investment income was $162K.

Key facts about Brownstein Family Foundation

In short: Brownstein Family Foundation gave $281K across 6 grants in 2025 (avg $47K), top state Colorado. Source: 2025 IRS Form 990-PF.

EIN
82-1550563
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$281,210
Grants made (2025)
6
Average grant
$46,868
Median grant
$57,500
Total assets
$4,099
Primary geography
Colorado (41% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$4K

+325.6% YoY

Annual Giving

$281K

-51.3% YoY

Grant Count

6

+0.0% YoY

Avg Grant Size

$47K

-51.3% YoY

How Brownstein Family Foundation gives

  • Giving fell 22% from 2022 to 2025. 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

8states

Share of 2025 grant dollars across all 6 itemized grants.

Cities

AvonStamfordFlushingWestportMinneapolisMinneaploisNew YorkPark ForestSan FranciscoVailCos CobGrand JunctionLawrenceRock TavernWashington

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K11 grants2020 11 grants2021 7 grants2022 8 grants2023 6 grants2024 6 grants2025

From 2020 to 2025, annual grant giving ranged from $281K (2025) to $578K (2024). In 2025 it made 6 grants totaling $281K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2025

Pierrepont School: $75KPierrepont School$75KQueens College Foundation: $75KQueens College Foundation$75KWalking Mountains Science Center: $63KWalking Mountains ScienceCenter$63KThe Vail Valley Foundation: $53KThe Vail Valley Foundation$53KThe American Independent Foundation: $10KThe American IndependentFoundation$10KMill River Park Collaborative: $6KMill River Park Collaborative$6K

The largest 2025 recipient was Pierrepont School ($75K). Together the top 6 received $281K.

Grant Size Distribution

38 grants across all recorded years

20<$50K12$50–100K5$100–250K1$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 20 grants of 38 (53%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Pierrepont School Westport, CTContribution to help support the future of the school$75,000
Queens College Foundation Flushing, NYContribution to Support Education$75,000
Walking Mountains Science Center Avon, COContribution to the Science Center Education Programs$62,500
The Vail Valley Foundation Avon, COContribution to Help Support the Arts$52,500
The American Independent Foundation Washington, DCContribution to the American Independent$10,000
Mill River Park Collaborative Stamford, CTContribution to Create and Sustain Mill River Park$6,210

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$200K$400K$600K$800K2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$4,099$963$157
Revenue$291,518$581,606$363,441
Expenses$284,760$577,500$362,895
Qualifying Distributions$281,210$577,500$360,000
Net Investment Income$162,174$346,400$227,926

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 4, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 8, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS February 27, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 9, 2026)
  7. IRS filings on file for fiscal years 2020–2025

Leadership & Key People

Officers and directors from IRS filings

Brownstein Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Donald Brownstein

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Lisa Tannebaum

    Trustee

    On filings since 2020

    1 hr/week

    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.

Frequently asked questions about Brownstein Family Foundation

How much does Brownstein Family Foundation give each year?

Brownstein Family Foundation gave $281K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $578K across 6 grants.

What is Brownstein Family Foundation's typical grant size?

Brownstein Family Foundation's median grant in 2025 was $57,500, and its average grant was $46,868, across 6 grants on its 2025 IRS Form 990-PF.

Where does Brownstein Family Foundation give grants?

Brownstein Family Foundation's top state is Colorado, with 41% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Connecticut (29%) and New York (27%). The most frequent recipient cities were Avon, CO (2 grants).

Does Brownstein Family Foundation give general operating support?

Not in 2025: none of the 6 grants with a stated purpose on Brownstein Family Foundation's 2025 IRS Form 990-PF were described as general or operating support.

Who are Brownstein Family Foundation's largest grantees?

Brownstein Family Foundation's largest 2025 grantees include Pierrepont School ($75,000), Queens College Foundation ($75,000) and Walking Mountains Science Center ($62,500), according to its 2025 IRS Form 990-PF. Together they received 76% of its itemized 2025 grant dollars.

How large is Brownstein Family Foundation?

Brownstein Family Foundation reported $4K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $292K.

What is Brownstein Family Foundation's EIN?

Brownstein Family Foundation's EIN (Employer Identification Number) is 82-1550563. IRS Form 990 filing data is available on this page for 2020–2025.

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

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