Los Altos Sunset Rotary Club

Private foundation · Grantmaker Los Altos, CA EIN: 84-3912935

The organization is organized exclusively for charitable, scientific, testing for public safety, literary, or educational purposes, fostering national or international amateur sports competition (but only if no part of its activities involve the provision of athletic facilities or equipment), or for the prevention of cruelty to children or animals.

Los Altos Sunset Rotary Club at a glance

In short: Los Altos Sunset Rotary Club gave $41K across 6 grants in 2025 (avg $7K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$41,325
+65.3% vs 2024
Grants made (2025)
6
+500.0% vs 2024
Average grant
$6,888
-72.5% vs 2024
Median grant
$3,313
Total assets
$1,635,109
+12.0% vs 2024
Primary geography
California (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Los Altos Sunset Rotary Club funds

How this funder distributes its grants

Top Recipients

Top 6 recipients in 2025

SJPL Fdn: $26KSJPL Fdn$26KHappy Hollow Fdn: $5KHappy Hollow Fdn$5KJW House: $4KJW House$4KOscars Place: $3KOscars Place$3KPalo Alto Humane Society: $3KPalo Alto Humane Society$3KLamvcf: $1KLamvcf$1K

The largest 2025 recipient was SJPL Fdn ($26K). Together the top 6 received $41K.

Grant Size Distribution

16 grants across all recorded years

16<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 16 grants of 16 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 6 itemized grants.

States

Cities

San JoseSanta ClaraHoplandLos AltosLos Altos HillsMilpitasMontereyMountain ViewPalo Alto

How Los Altos Sunset Rotary Club gives

  • Giving grew 59% from 2022 to 2025. Method
  • In 2025 it paid out 54% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K0 grants2020 6 grants2021 1 grant2022 2 grants2023 1 grant2024 6 grants2025

From 2021 to 2025, annual grant giving ranged from $25K (2024) to $41K (2025). In 2025 it made 6 grants totaling $41K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
SJPL Fdn San Jose, CASupport for Summer Learning Programs for Children$26,200
Happy Hollow Fdn San Jose, CASupport for Title 1 Education$5,000
JW House Santa Clara, CAGrant for the purchase and installation of a storage shed$4,125
Oscars Place Hopland, CASupport for Direct Animal Care and Feeding Expenses$2,500
Palo Alto Humane Society Palo Alto, CASupport for baron park donkey project for the direct animal care and feeding expenses$2,500
Lamvcf Los Altos, CAGrant for the Town Crier Holiday Fund$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$1,635,109$89,135$44,532$41,3256$41,325$42,948$75,881
2024$1,460,421$48,557$51,133$25,0001—$48,557—
2023$1,371,668$15,360$38,275$25,5002—$15,360—
2022$1,322,187$82,355$46,470$26,0001—$81,936—
2021$1,566,107$91,903$35,723$30,0006—$48,350—
2020$1,340,222$1,261,166————$6,628—

Under IRS private-foundation payout rules, Los Altos Sunset Rotary Club reported a distributable amount of $76K for 2025 — the minimum it must pay out in qualifying distributions.

About Los Altos Sunset Rotary Club

Based on IRS filings

Los Altos Sunset Rotary Club is a private foundation focused on Community Improvement & Capacity Building, based in Los Altos, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.6M in total assets. In 2025, it awarded 6 grants totaling $41K. Net investment income was $43K.

Leadership & Key People

Officers and directors from IRS filings

Los Altos Sunset Rotary Club is led by Michael Mansch, President & CEO since 2021 (on filings since 2020); none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Michael Mansch

    President & CEO

    CEO → President & CEO, 2021

    On filings since 2020

    3.8 hrs/week

    No compensation reported

  • Margarethe Pfeffer

    Executive Secretary

    On filings since 2020

    3.8 hrs/week

    No compensation reported

  • Shawn Curby

    Treasurer

    CFO → Treasurer, 2023

    On filings since 2020

    3.8 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about Los Altos Sunset Rotary Club

How much does Los Altos Sunset Rotary Club give each year?

Los Altos Sunset Rotary Club gave $41K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $25K across 1 grant.

What is Los Altos Sunset Rotary Club's typical grant size?

Los Altos Sunset Rotary Club's median grant in 2025 was $3,313, and its average grant was $6,888, across 6 grants on its 2025 IRS Form 990-PF.

Where does Los Altos Sunset Rotary Club give grants?

Los Altos Sunset Rotary Club gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Jose, CA (2 grants).

Does Los Altos Sunset Rotary Club give general operating support?

Not in 2025: none of the 6 grants with a stated purpose on Los Altos Sunset Rotary Club's 2025 IRS Form 990-PF were described as general or operating support.

Who are Los Altos Sunset Rotary Club's largest grantees?

Los Altos Sunset Rotary Club's largest 2025 grantees include SJPL Fdn ($26,200), Happy Hollow Fdn ($5,000) and JW House ($4,125), according to its 2025 IRS Form 990-PF. Together they received 85% of its itemized 2025 grant dollars.

How large is Los Altos Sunset Rotary Club?

Los Altos Sunset Rotary Club reported $1.6M in total assets on its 2025 IRS Form 990-PF. It paid out $41K in qualifying distributions that year, against a required minimum of $76K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What is Los Altos Sunset Rotary Club?

Los Altos Sunset Rotary Club is a private foundation focused on Community Improvement & Capacity Building, based in Los Altos, CA. It holds $1.6M in total assets as of 2025.

What is Los Altos Sunset Rotary Club's EIN?

Los Altos Sunset Rotary Club's EIN (Employer Identification Number) is 84-3912935. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 16, 2026)
  2. IRS filings on file for fiscal years 2020–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Los Altos Sunset Rotary Club's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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