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Form 990-PFTax year 2025EIN 13-6159069

Stephen L Altshul Foundation

A private foundation in Charlestown, MA. Its return for tax year 2025 lists 1 grant and $94,000 paid in grants.

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Tax year 2025 (period ending Apr 30, 2026), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests. It still lists the details below.

Contact
Katherine Altshul Darci
20 Monument Street, 20 Monument Street
Charlestown, MA 02129
(617) 732-4219
[email protected]

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $94,000

    Grants listed
    1
    Assets, end of year
    $1,106,345

  • Tax year 2024

    $88,000

    Grants listed
    1
    Assets, end of year
    $1,108,155

  • Tax year 2023

    $81,000

    Grants listed
    1
    Assets, end of year
    $973,885

  • Tax year 2022

    $91,100

    Grants listed
    1
    Assets, end of year
    $933,826

  • Tax year 2021

    $114,500

    Grants listed
    1
    Assets, end of year
    $1,038,555

  • Tax year 2020

    $95,500

    Grants listed
    1
    Assets, end of year
    $1,074,710

  • Tax year 2019

    $104,000

    Grants listed
    1
    Assets, end of year
    $1,166,110

  • Tax year 2018

    $97,000

    Grants listed
    1
    Assets, end of year
    $1,168,850

Grants paid in 2025

1 grant, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    Education,social service

    $94,000

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Katherine Altshul DarciPRESIDENT Hours 5Pay $0
  • Jonathan AltshulSECRETARY Hours 5Pay $0

The return

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