The California State Capitol

Form 990-PFTax year 2024EIN 20-2045526

William H Hinkle Charitable Foundation Inc

A private foundation in Geyserville, CA. Its return for tax year 2024 lists 4 grants and $93,000 paid in grants.

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $93,000

    Grants listed
    4
    Assets, end of year
    $2,440,523
  • Tax year 2023

    $86,883

    Grants listed
    8
    Assets, end of year
    $2,428,137
  • Tax year 2022

    $111,500

    Grants listed
    7
    Assets, end of year
    $2,402,018
  • Tax year 2021

    $182,000

    Grants listed
    3
    Assets, end of year
    $2,487,980
  • Tax year 2020

    $121,266

    Grants listed
    15
    Assets, end of year
    $2,688,875
  • Tax year 2019

    $124,000

    Grants listed
    3
    Assets, end of year
    $2,792,157
  • Tax year 2018

    $49,875

    Grants listed
    7
    Assets, end of year
    $2,863,495

Grants paid in 2024

4 grants, largest first

As listed on the return.

  1. Sea Star VillageGeyserville, CA

    Environmental grant

    $50,000
  2. World Bamboo FoundationPlymouth, MA

    Environmental grant

    $25,000
  3. Russian River KeeperHealdsburg, CA

    Environmental grant

    $13,000
  4. Geyserville Community FoundationGeyserville, CA

    Other

    $5,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education1 grant $25,00083% of the total
  2. Arts and culture1 grant $5,00017% of the total

By State

Grants to organizations with a US address, latest year.

  1. California3 grants $68,000
  2. Massachusetts1 grant $25,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • William H Hinkle TrusteePRESIDENT Hours 2Pay $0
  • Howard LeonardTRUSTEE Hours 0.5Pay $0
  • Kathryn HinkleTRUSTEE Hours 0.5Pay $0

The return

More foundations

Similar foundations

Same main cause (education), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. Emerald Sky FoundationMill Valley, CA 11 grants Preselected only $93,000 giving
  2. Ellis Family FoundationDel Mar, CA 17 grants Preselected only $93,150 giving
  3. McGuire & Hester FoundationOakland, CA 16 grants Preselected only $92,850 giving
  4. Bogatin Family Foundation IncSan Diego, CA 12 grants Preselected only $92,788 giving
  5. Helen & Jack McCullough Family FndnSaratoga, CA 14 grants Accepts applications $92,500 giving