The Massachusetts State Capitol

Form 990-PFTax year 2025EIN 04-6186166

Calderwood Charitable Foundation

A private foundation in Boston, MA. Its return for tax year 2025 lists 3 grants and $594,549 paid in grants.

Tax year 2025 (period ending Oct 31, 2025), 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.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $594,549

    Grants listed
    3
    Assets, end of year
    $0
  • Tax year 2024

    $6,400,000

    Grants listed
    3
    Assets, end of year
    $601,316
  • Tax year 2023

    $300,000

    Grants listed
    3
    Assets, end of year
    $6,439,951
  • Tax year 2022

    $3,179,442

    Grants listed
    4
    Assets, end of year
    $5,916,608
  • Tax year 2021

    $910,207

    Grants listed
    3
    Assets, end of year
    $11,042,857
  • Tax year 2020

    $2,043,166

    Grants listed
    4
    Assets, end of year
    $11,042,159

Grants paid in 2025

3 grants, largest first

As listed on the return.

  1. 826 Boston IncRoxbury, MA

    General Support

    $198,183
  2. Grub Street IncBoston, MA

    General Support

    $198,183
  3. WriteBostonJamaica Plain, MA

    General Support

    $198,183

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education2 grants $396,36667% of the total
  2. Arts and culture1 grant $198,18333% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts3 grants $594,549

Officers, directors and trustees

3 people as filed

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

  • William A LowellTrustee Hours 1Pay $0
  • John CornishTrustee Hours 1Pay $0
  • Charles CheeverTrustee Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (education), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. V Eugene & Rosalie Defreitas Char FDNBoston, MA 14 grants Accepts applications $600,000 giving
  2. Mapping Boston Foundation IncBoston, MA 1 grant Preselected only $606,878 giving
  3. Bertram A and Ronald M Druker Charitable FNDNBoston, MA 8 grants Preselected only $575,000 giving
  4. Elfers Foundation IncBoston, MA 19 grants Preselected only $640,000 giving
  5. Geoffrey and Clare H Nunes Charitable TrustBoston, MA 4 grants Preselected only $548,140 giving