The Walter W Mosher Jr Foundation

Foundation · Grantmaker West Hills, CA EIN: 03-0407059

The Walter W Mosher Jr Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in West Hills, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $1.7M in total assets. In 2024, it awarded 19 grants totaling $82K. Net investment income was $58K.

Key facts about The Walter W Mosher Jr Foundation

EIN: 03-0407059
Latest 990 filing: Form 990-PF, 2024
Annual giving (2024): $82,180
Grants made (2024): 19
Average grant: $4,325
Median grant: $4,010
New grantees (estimate): 0% first-time grantees (0 of 19, 2024)
Total assets: $1,661,751
Primary geography: California (85% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

Who The Walter W Mosher Jr Foundation funds

By grant dollars, the top recipient states for The Walter W Mosher Jr Foundation's 19 itemized 2024 grants were California (85%) and Colorado (10%). The most frequent recipient cities were Woodland Hills, CA (2 grants), Ojai, CA (2 grants), Los Angeles, CA (2 grants) and San Fernando, CA (2 grants). 5% of grants with a stated purpose were for general or operating support.

Is The Walter W Mosher Jr Foundation open to new grantees?

first-time grantees, 2024

In 2024, 0 of 19 grantees (0%) were first-time recipients. How we count

100% of 2024 grantees were also funded in 2023. Method
Giving held roughly steady from 2021 to 2024 (+13%). Method
In 2024 it paid out 100% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized IRS Form 990-PF grant lists (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with The Walter W Mosher Jr Foundation

How to evaluate The Walter W Mosher Jr Foundation as a funder
Our grant prospecting guide: read the 990-PF, check fit, and decide whether to apply.
Draft an LOI to The Walter W Mosher Jr Foundation with AI
AI grant writing that drafts from your organization’s own materials, in your voice.
Track this opportunity in a free grant tracker
A free Google Sheets or Excel template for deadlines, award terms, and reports due.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$1.7M

+4.9% YoY

Annual Giving

$82K

+8.0% YoY

Grant Count

+0.0% YoY

Avg Grant Size

$4K

+8.0% YoY

Under IRS private-foundation payout rules, The Walter W Mosher Jr Foundation reported a distributable amount of $83K for 2024 — the minimum it must pay out in qualifying distributions.

About The Walter W Mosher Jr Foundation

Based on IRS filings

Focus Areas

Philanthropy, Voluntarism & Grantmaking

Your AI grants department

Ready to take the next step with The Walter W Mosher Jr Foundation?

Assess fit for your org Draft an LOI Find open RFPs

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

Grant Distribution by State

California $70K (85%)

Colorado $8K (10%)

Nevada $4K (5%)

Share of all 19 itemized 2024 grant dollars.

States

Arizona California Colorado Nevada

Cities

Los AngelesOjaiSan FernandoWoodland HillsGranada HillsLas VegasLos AnglelesNorth HillsPacoimaPalm DesertParkerPasadenaSunlandVan NuysBurbankKingmanPueblo

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2024	2023	2022
Total Assets	$1,661,751	$1,584,551	$1,512,750
Revenue	$168,506	$157,944	$147,165
Expenses	$91,306	$86,143	$82,570
Qualifying Distributions	$82,180	$76,060	$71,480
Net Investment Income	$58,174	$54,492	$38,850
Distributable Amount	$82,511	$75,769	$73,826

Data update history

When this profile's IRS filing data changed on Grantable

February 28, 2026 IRS filings on file for fiscal years 2020–2024

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Grant Size Distribution

98 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest recipients include Betty Ford Center ($10,000), Child Development Institute ($4,010), Children's Hospital of LA ($4,010).

Recipient	Purpose	Amount
BETTY FORD CENTER Palm Desert, CA	SUBSTANCE ABUSE TREATMENT AND EDUCATION.	$10,000
CHILD DEVELOPMENT INSTITUTE Woodland Hills, CA	PROVIDE RELATIONSHIP BASED EARLY INTERVENTION AND THERAPEUTIC SERVICES TO CHILDREN AND THEIR FAMILIES.	$4,010
CHILDREN'S HOSPITAL OF LA Los Angleles, CA	PROVIDE PEDIATRIC AND ADOLESCENT HEALTH CARE.	$4,010
COLORADO LIONS FOUNDATION Pueblo, CO	EDUCATIONAL ASSISTANCE & SOCIAL SERVICES	$4,010
HATHAWAY-SYCAMORES FOUNDATION Pasadena, CA	SUPPORT TROUBLED CHILDREN AND THEIR FAMILIES	$4,010
HELP OF OJAI Ojai, CA	PROVIDE SOCIAL SERVICES IN OJAI VALLEY	$4,010
LAPD FOUNDATION Los Angeles, CA	CREATE PARTNERSHIPS TO PROVIDE RESOURCES AND PROGRAMS THAT HELP THE LAPD PERFORM AT THEIR HIGHEST LEVEL AND TO ENHANCE LAPD COMMUNITY RELATIONS.	$4,010
MEND Pacoima, CA	PROVIDE FOOD,CLOTHING & MED. ASSISTANCE TO THE POOR	$4,010
NEW HORIZONS North Hills, CA	TO CONTRIBUTE TO SUPPORT GENERAL OPERATING COSTS FOR EDUCATION AND EMPLOYMENT OF INDIVIDUALS WITH SPECIAL NEEDS.	$4,010
OJAI VALLEY COMMUNITY HOSPITAL FOUNDATION Ojai, CA	PROVIDE OJAI VALLEY RESIDENTS WITH QUALITY MEDICAL CARE AND SERVICES	$4,010

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2024 IRS filing

Name	Title	Hours	Compensation
Walter W Mosher Jr PHD	President/CFO/Director	2	—
Lee Kanon Alpert	Vice-Pres/Secretary/Direct	2	—

Subject Areas

Focus areas based on grantmaking activity

Philanthropy, Voluntarism & Grantmaking

Frequently Asked Questions

What is The Walter W Mosher Jr Foundation?

The Walter W Mosher Jr Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in West Hills, CA. It holds $1.7M in total assets as of 2024.

How large is The Walter W Mosher Jr Foundation?

As of 2024, The Walter W Mosher Jr Foundation holds $1.7M in total assets with $169K in annual revenue. It awarded 19 grants totaling $82K in 2024.

Where does The Walter W Mosher Jr Foundation operate?

The Walter W Mosher Jr Foundation has awarded grants in Arizona, California, Colorado, Nevada.

What size grants does The Walter W Mosher Jr Foundation award?

In 2024, The Walter W Mosher Jr Foundation awarded 19 grants totaling $82K — an average of about $4K per grant, based on its IRS Form 990 filings.

How much is The Walter W Mosher Jr Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, The Walter W Mosher Jr Foundation reported a distributable amount of $83K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is The Walter W Mosher Jr Foundation's EIN?

The Walter W Mosher Jr Foundation's EIN (Employer Identification Number) is 03-0407059. IRS Form 990 filing data is available on this page for 2020–2024.