Private Foundation

THE ELIOT SPALDING FOUNDATION C/O CLAYTON NILES

THE ELIOT SPALDING FOUNDATION C/O CLAYTON NILES is a Private Foundation headquartered in ORO VALLEY, AZ. Financial data from the 2025 filing: $3K revenue, $3.0M expenses. IRS filings disclose 250 grants awarded by this foundation, totaling roughly $4.5M.

EIN: 866050507 ORO VALLEY, AZ Latest filing: 2025

Total Revenue$3K

Total Expenses$3.0M

Grants Given250

Grant Total$4.5M

Filing Years2021–2025

Sample Grants Given

COMMUNITY FOUNDATION FOR SOUTHERN ARIZONA

TUCSON, AZ · 2025

GENERAL CHARITABLE PURPOSE

$657,470

COMMUNITY FOUNDATION FOR SOUTHERN ARIZONA

TUCSON, AZ · 2025

GENERAL CHARITABLE PURPOSE

$434,847

COMMUNITY FOUNDATION FOR SOUTHERN ARIZONA

TUCSON, AZ · 2025

GENERAL CHARITABLE PURPOSE

$403,648

COMMUNITY FOUNDATION FOR SOUTHERN ARIZONA

TUCSON, AZ · 2025

GENERAL CHARITABLE PURPOSE

$365,040

COMMUNITY FOUNDATION FOR SOUTHERN ARIZONA

TUCSON, AZ · 2025

GENERAL CHARITABLE PURPOSE

$299,779

Showing up to 5 of 250 total records — full history available with membership.

Officers & Directors

SECRETARY Holly Clark

DIRECTOR Robert Harbour

PRESIDENT Terry Goddard

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL CHARITABLE PURPOSE

$4,459,661 250 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$3K	$3.0M	—
2024	$263K	$205K	$3.0M
2023	$243K	$200K	$3.0M
2022	$147K	$195K	$2.9M
2021	$229K	$243K	$3.0M

Between 2021 and 2025, reported annual revenue declined from $229K to $3K (-99%).

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AZ.

AZ

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for THE ELIOT SPALDING FOUNDATION C/O CLAYTON NILES

Complete financials, all 250 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports