Grub Street Inc
Boston, MA
$2.2MTax year 2024
General Support
Foundation directory
Calderwood Charitable Foundation Grants
Private foundation · EIN 04-6186166 · IRS 990-PF filings through tax year 2025
Future commitments are grants the foundation has reported but not yet paid.
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
Looking for funders you can apply to? Browse foundations that accept applications, or see foundations that fund in Massachusetts.
Original filing text
Reported organization name: Calderwood Charitable Foundation
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 3 | $594.5K |
| 2024 | 3 | $6.4M |
Where Calderwood Charitable Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
826 Boston Inc
Roxbury, MA
$2.1MTax year 2024
General Support
WriteBoston
Jamaica Plain, MA
$2.1MTax year 2024
General Support
826 Boston Inc
Roxbury, MA
$198.2KTax year 2025
General Support
Grub Street Inc
Boston, MA
$198.2KTax year 2025
General Support
Showing 5 of the 6 largest grants (6 reported in all).
See all 6 grants from Calderwood Charitable Foundation: sort and filter by purpose, state and year.
Start freeAbout this data
Figures are aggregated from Calderwood Charitable Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in Massachusetts
Free templates for applying to a foundation like this
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- Letter of intent template and example
- Statement of need template and examples
- Executive summary template and examples
- Grant budget template (XLSX) and budget narrative
- Evaluation plan template and metrics
New to this? Start with how to write a grant proposal, section by section. This profile is built from IRS 990-PF filings — read how the directory was assembled, or see what GrantCue does and what it costs.