# Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I

Big Brothers Big Sisters nonprofit in Waltham, Massachusetts 02451. EIN 22-3283364. Data as of November 9, 2026.

Page: https://backpr.com/find/nonprofit/223283364-jewish-big-brother-and-big-sister-assn-of-gr-boston-endowment-fund-i

## Mission (the organization's own words)

> The purpose of jewish big brothers & big sisters associaton of the greater boston endowment fund, inc. Is to insure the financial viability and strength of the jewish big brothers & big sisters association of greater boston by (i) establishing and managing an endowment fund to which individuals, corporations, partnership and all other entities can contribute in order to provide for the long term...

Source: Form 990, year ending Sep 2025: https://projects.propublica.org/nonprofits/organizations/223283364/202611409349301336/full

## IRS facts

- Type: Big Brothers Big Sisters (IRS activity code O31)
- Tax status: 501(c)(3), contributions deductible, recognized 1996
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## Finances (IRS Form 990 e-file data)

| Year ending | Revenue | Expenses | Assets | Net assets | Employees | Volunteers | Source |
|---|---|---|---|---|---|---|---|
| Sep 2025 | $654,580 | $734,779 | $9,160,768 | $9,160,768 | 0 | 8 | [Form 990](https://projects.propublica.org/nonprofits/organizations/223283364/202611409349301336/full) |
| Sep 2023 | $232,826 | $619,325 | $7,476,894 | $7,476,894 | 0 | 11 | [Form 990](https://projects.propublica.org/nonprofits/organizations/223283364/202430679349301023/full) |
| Sep 2021 | $1,019,125 | $590,634 | $8,167,883 | $8,167,883 | 0 | 10 | [Form 990](https://projects.propublica.org/nonprofits/organizations/223283364/202232239349302813/full) |

Expense split, year ending Sep 2025: programs $661,547 (90%), management $72,700 (10%), fundraising $532 (0%).

Revenue sources, year ending Sep 2025: gifts and grants $163,560, program fees $0, investment income $491,020.

Growth label: **Shrinking** (about -10% a year, Sep 2021 to Sep 2025). Growth label: we compare total revenue on the oldest and the newest return shown above. Growing means revenue rose by more than 10% a year on average, Shrinking means it fell by more than 10% a year, and Steady means a change between -10% and +10% a year. The rate is the compounded yearly average between the two returns, so it hides ups and downs in between (see the table). We only label groups with returns at least a year apart and at least $5,000 of revenue on the oldest one. This is our own calculation, not an IRS rating or a judgment of quality.

## How it compares

- Revenue rank: 3 of 4 youth development nonprofits in Waltham.
- Revenue $654,580 is higher than roughly 50 to 60% of 146 youth development nonprofits in Massachusetts; median $422,973.
- Source: IRS Business Master File, posted October 13, 2026; BackPR analysis.

## Local context

- Middlesex County, Massachusetts: about 319,866 children under 18 (U.S. Census Bureau, July 1, 2024): https://www2.census.gov/programs-surveys/popest/datasets/2020-2024/counties/asrh/cc-est2024-agesex-all.csv
- 329 youth and community nonprofits in this directory in the county: 1.0 per 1,000 children.
- Licensed programs in Waltham: 21 licensed child care centers: https://backpr.com/find/massachusetts/waltham
- Massachusetts rules: https://backpr.com/resources/states/massachusetts

## Questions

**What is Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I's EIN?**

Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I's EIN (Employer Identification Number) is 22-3283364. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

**Is Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I a nonprofit?**

Yes. The IRS lists Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I in Waltham, Massachusetts as tax-exempt under section 501(c)(3), recognized since 1996. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

**Are donations to Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I tax-deductible?**

Yes, the IRS lists gifts to Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

**What does Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I do?**

In its own words on its Form 990 for the year ending Sep 2025: "The purpose of jewish big brothers & big sisters associaton of the greater boston endowment fund, inc. Is to insure the financial viability and strength of the jewish big brothers & big sisters association of greater boston by (i) establishing and managing an endowment fund to which individuals, corporations, partnership and all other entities can contribute in order to provide for the long term..." The IRS classifies it as: Big Brothers Big Sisters.

**How much money does Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I take in?**

For the year ending Sep 2025, Jewish Big Brother & Big Sister Assn of Gr Boston Endowment Fund I reported total revenue of $654,580 and total expenses of $734,779 on its Form 990 (IRS Form 990 e-file data).

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Data as of November 9, 2026. Sources: IRS Business Master File, IRS Form 990 series e-file data, U.S. Census Bureau. No officer or staff names are published.