Clark and Kathryn Porter

Private foundation · Grantmaker Pacific Palisades, CA EIN: 83-6571557

CLARK AND KATHRYN PORTER is a private foundation based in Pacific Palisades, California. In 2024, it made 77 grants totaling $177,181 to charitable organizations.

Key facts about Clark and Kathryn Porter

In short: Clark and Kathryn Porter gave $177K across 77 grants in 2024 (avg $2K), mostly in California. 21% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

EIN
83-6571557
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$177,181
Grants made (2024)
77
Average grant
$2,301
Median grant
$1,000
New grantees (estimate)
21% first-time grantees (15 of 72, 2024)
Total assets
$222,105
Primary geography
California (66% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓

Data from IRS Form 990-PF, 2024; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$222K

+16.4% YoY

Annual Giving

$177K

+12.4% YoY

Grant Count

77

+16.7% YoY

Avg Grant Size

$2K

-3.6% YoY

Under IRS private-foundation payout rules, Clark and Kathryn Porter reported a distributable amount of $215K for 2024 — the minimum it must pay out in qualifying distributions.

Is Clark and Kathryn Porter open to new grantees?

21%

first-time grantees, 2024

In 2024, 15 of 72 grantees (21%) were first-time recipients. First grants averaged $2K; repeat grants $3K. How we count

Medians: $1K first-time, $1K repeat.

  • 78% of 2024 grantees were also funded in 2023. Method
  • Giving grew 106% from 2021 to 2024. Method
  • In 2024 it paid out 83% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

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

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants show support for varied organizations. For example, American Friends of the Ocean Cleanup describes its mission as protecting the ocean environment, and One Tree Planted describes its work as advancing nature-based solutions rooted in the science of trees. Venice Family Clinic says it provides primary health care to people in need, while Westside Food Bank addresses hunger in West Los Angeles County.

Grantmaking

In 2024, the foundation made 77 grants totaling $177,181. Grant amounts ranged from $200 to $30,000, with a median of $1,000. The largest listed grants included $30,000 to Garden School in Pasadena, California; $15,000 to USOCF in Carpentersville, Illinois; and $5,181 to Semester at Sea in Fort Collins, Colorado. Other listed $5,000 grants went to American Friends of the Ocean Cleanup, Harvard-Westlake Annual, National Parks Foundation, Nature Conservancy, One Tree Planted, POW Protect Our Winters, Seeds TP Plate, SPY, and St Matthews Alumni Fund.

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Geographic Focus

Where this funder awards grants

In 2024, California recipients received 66% of grant dollars. Other leading recipient states were Illinois (9%), Colorado (8%), Washington, DC (6%), and New York (4%).

Grant Distribution by State

17states

Share of 2024 grant dollars across all 77 itemized grants.

Cities

Los AngelesWashingtonSanta MonicaPacific PalisadesNew YorkPasadenaSan FranciscoBerkeleyBoulderVeniceFort CollinsManhattan BeachShelburneStudio CityTrumbullAlpharettaChicagoColorado SpringsCulver CityHenrico

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K47 grants2020 49 grants2021 61 grants2022 66 grants2023 77 grants2024

From 2020 to 2024, annual grant giving ranged from $71K (2020) to $177K (2024). In 2024 it made 77 grants totaling $177K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Garden School: $35K across 3 grantsGarden School$35K · 3 grantsUsocf: $15KUsocf$15KSemester at Sea: $5KSemester at Sea$5KAmerican Friends of the Ocean Cleanup: $5KAmerican Friends of the OceanCleanup$5KBay Foundation: $5K across 2 grantsBay Foundation$5K · 2 grantsHarvard-Westlake Annual: $5KHarvard-Westlake Annual$5KNational Parks Foundation: $5KNational Parks Foundation$5KNature Conservancy: $5KNature Conservancy$5KOne Tree Planted: $5KOne Tree Planted$5KPow Protect Our Winters: $5KPow Protect Our Winters$5K

The largest 2024 recipient was Garden School ($35K across 3 grants). Together the top 10 received $90K.

Grant Size Distribution

300 grants across all recorded years

300<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 300 grants of 300 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Garden School Pasadena, CAContribution$30,000
Usocf Carpentersville, ILContribution$15,000
Semester at Sea Fort Collins, COContribution$5,181
American Friends of the Ocean Cleanup New York, NYContribution$5,000
Harvard-Westlake Annual Studio City, CAContribution$5,000
National Parks Foundation Washington, DCContribution$5,000
Nature Conservancy Los Angeles, CAContribution$5,000
One Tree Planted Shelburne, VTContribution$5,000
Pow Protect Our Winters Boulder, COContribution$5,000
Seeds TP Plate Venice, CAContribution$5,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2024 $222,105 $204,068 $181,132 $177,181
2023 $190,826 $124,927 $157,619 $157,619
2022 $148,736 $105,450 $126,383 $126,383
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K2020 2021 2022 2023 2024
Metric202420232022
Total Assets$222,105$190,826$148,736
Revenue$204,068$124,927$105,450
Expenses$181,132$157,619$126,383
Qualifying Distributions$178,131$157,619$126,383
Net Investment Income$166,117$124,927$105,450
Distributable Amount$214,505——

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Clark Porter as president; Kathryn Porter as “Treasury / Secreatary”; and Clark Willard Porter Jr, Elizabeth Grace Porter, and Charles Chapple Porter as directors.

Clark and Kathryn Porter is led by Clark Porter, President on every filing since 2020; none of the 5 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Clark Porter

    President

    On filings since 2020

    No compensation reported

  • Charles Chapple Porter

    Director

    On filings since 2020

    No compensation reported

  • Clark Willard Porter Jr.

    Director

    On filings since 2020

    No compensation reported

  • Elizabeth Grace Porter

    Director

    On filings since 2020

    No compensation reported

  • Kathryn Porter

    Treasury & Secreatary

    Treasurer & Secretary → Treasury & Secreatary, 2024

    On filings since 2020

    2 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: 1412 Via Anita, Pacific Palisades, CA 90272
Phone: (310) 454-6448

Frequently asked questions about Clark and Kathryn Porter

How much does Clark and Kathryn Porter give each year?

Clark and Kathryn Porter gave $177K across 77 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $158K across 66 grants.

What is Clark and Kathryn Porter's typical grant size?

Clark and Kathryn Porter's median grant in 2024 was $1,000, and its average grant was $2,301, across 77 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Clark and Kathryn Porter that year got $2K on average.

Where does Clark and Kathryn Porter give grants?

Clark and Kathryn Porter gives mostly in California: 66% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Illinois (9%) and Colorado (8%). The most frequent recipient cities were Los Angeles, CA (17 grants), Santa Monica, CA (10 grants), Washington, DC (7 grants) and Pasadena, CA (4 grants).

Does Clark and Kathryn Porter give general operating support?

Not in 2024: none of the 77 grants with a stated purpose on Clark and Kathryn Porter's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Contribution" (77 grants).

Who are Clark and Kathryn Porter's largest grantees?

Clark and Kathryn Porter's largest 2024 grantees include Garden School ($34,631 across 3 grants), Usocf ($15,000) and Semester at Sea ($5,181), according to its 2024 IRS Form 990-PF. Together they received 31% of its itemized 2024 grant dollars.

How large is Clark and Kathryn Porter?

Clark and Kathryn Porter reported $222K in total assets on its 2024 IRS Form 990-PF. It paid out $178K in qualifying distributions that year, against a required minimum of $215K (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 does Clark and Kathryn Porter fund?

No mission statement for the foundation is provided. Its 2024 grants show support for varied organizations. See mission & focus areas ↑

How do I apply for a grant from Clark and Kathryn Porter?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Clark and Kathryn Porter's EIN?

Clark and Kathryn Porter's EIN (Employer Identification Number) is 83-6571557. IRS Form 990 filing data is available on this page for 2020–2024.

Does Clark and Kathryn Porter accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

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