Community Foundation for Southern Arizona
Tucson, AZ
$657.5KTax year 2025
General charitable purpose
Foundation directory
The Eliot Spalding Foundation C/O Clayton Niles Grants
Private foundation · EIN 86-6050507 · IRS 990-PF filings through tax year 2025
Future commitments are grants the foundation has reported but not yet paid.
How to apply
Open to applications: its latest 990-PF publishes how to apply and does not limit giving to preselected organizations. See more foundations that accept applications.
- Contact
- Mr Clayton Niles
- Phone
- (520) 624-6691
- Deadlines
- Requests should be received no later than November 1 of the year they are to be distributed.
- Application materials
- Request for consideration should be in a typewritten format with evidence of tax-exempt status, as well as indicating the charitable purpose the funding will serve.
Deadlines, materials and limits are not in the filing; check with the foundation.
Original filing text
- Contact
- MR CLAYTON NILES
- Address
- 5900 N CAMINO PRECIADO TUCSON, AZ, 85718
- Phone
- 5206246691
- Deadlines
- REQUESTS SHOULD BE RECEIVED NO LATER THAN NOVEMBER 1 OF THE YEAR THEY ARE TO BE DISTRIBUTED.
- Application materials
- REQUEST FOR CONSIDERATION SHOULD BE IN A TYPEWRITTEN FORMAT WITH EVIDENCE OF TAX-EXEMPT STATUS, AS WELL AS INDICATING THE CHARITABLE PURPOSE THE FUNDING WILL SERVE.
- Restrictions
- N/A
Reported organization name: THE ELIOT SPALDING FOUNDATION C/O CLAYTON NILES
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 | 11 | $3M |
| 2024 | 28 | $173.5K |
Where The Eliot Spalding Foundation C/O Clayton Niles 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.
Community Foundation for Southern Arizona
Tucson, AZ
$434.8KTax year 2025
General charitable purpose
Community Foundation for Southern Arizona
Tucson, AZ
$403.6KTax year 2025
General charitable purpose
Community Foundation for Southern Arizona
Tucson, AZ
$365KTax year 2025
General charitable purpose
Community Foundation for Southern Arizona
Tucson, AZ
$299.8KTax year 2025
General charitable purpose
Showing 5 of the 25 largest grants (39 reported in all).
See all 39 grants from The Eliot Spalding Foundation C/O Clayton Niles: sort and filter by purpose, state and year.
Start freeAbout this data
Figures are aggregated from The Eliot Spalding Foundation C/O Clayton Niles'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 Arizona
Free templates for applying to a foundation like this
- Full grant proposal template with an annotated sample
- 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.