William H Hinkle Charitable Foundation

Private foundation · Grantmaker Geyserville, CA EIN: 20-2045526

William H Hinkle Charitable Foundation is a private foundation, based in Geyserville, CA. IRS filing data is available from 2020 through 2023. As of 2023, the organization holds $2.4M in total assets. In 2023, it awarded 8 grants totaling $87K. Net investment income was $120K.

William H Hinkle Charitable Foundation at a glance

In short: William H Hinkle Charitable Foundation gave $87K across 8 grants in 2023 (avg $11K), top state California. Source: 2023 IRS Form 990-PF.

Annual giving (2023)
$86,883
-22.1% vs 2022
Grants made (2023)
8
+14.3% vs 2022
Average grant
$10,860
-31.8% vs 2022
Median grant
$5,000
Total assets
$2,428,137
+1.1% vs 2022
Primary geography
California (41% of itemized 2023 grant dollars)
Latest 990 filing
Form 990-PF, 2023 View filing

Data from IRS Form 990-PF, 2023; updated September 2026.

Who William H Hinkle Charitable Foundation funds

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2023

World Bamboo Foundation: $25KWorld Bamboo Foundation$25KSonoma Land Trust: $25KSonoma Land Trust$25KNetherlands Bach Society: $16KNetherlands Bach Society$16KOutright International: $5KOutright International$5KSt Jude: $5KSt Jude$5KGeyserville Community Foundation: $5KGeyserville CommunityFoundation$5KNorthern Sonoma County Fire Foundation: $5KNorthern Sonoma County FireFoundation$5KGeyserville Education Foundation: $1KGeyserville EducationFoundation$1K

The largest 2023 recipient was World Bamboo Foundation ($25K). Together the top 8 received $87K.

Grant Size Distribution

33 grants across all recorded years

30<$50K1$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 30 grants of 33 (91%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of 2023 grant dollars across all 8 itemized grants.

Cities

Santa RosaGeyservilleNew YorkBurlingtonGreenbraeHealdsburgLompocMemphisMissoulaNapaPlymouthPlytmouthSan FranciscoSummerlandTehachapi

How William H Hinkle Charitable Foundation gives

  • Giving fell 28% from 2020 to 2023. Method
  • In 2023 it paid out 73% 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-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K15 grants2020 3 grants2021 7 grants2022 8 grants2023

From 2020 to 2023, annual grant giving ranged from $87K (2023) to $182K (2021). In 2023 it made 8 grants totaling $87K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
World Bamboo Foundation Plytmouth, MAOTHER$25,000
Sonoma Land Trust Santa Rosa, CAEnvironmental Grant$25,000
Netherlands Bach Society Music Grant$15,883
Outright International New York, NYOTHER$5,000
St Jude Memphis, TNOTHER$5,000
Geyserville Community Foundation Geyserville, CAOTHER$5,000
Northern Sonoma County Fire Foundation Geyserville, CAOTHER$5,000
Geyserville Education Foundation Geyserville, CAEnvironmental Grant$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
2023$2,428,137$120,174$100,145$86,8838$86,883$120,174$118,722
2022$2,402,018$39,225$125,313$111,5007$111,500$39,225$120,018
2021$2,487,980$2,322$199,889$182,0003$182,000$2,322$127,904
2020$2,688,875$15,118$125,692$121,26615—$15,118$135,589

Under IRS private-foundation payout rules, William H Hinkle Charitable Foundation reported a distributable amount of $119K for 2023 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

William H Hinkle Charitable Foundation is led by William H. Hinkle Trustee, President on every filing since 2020; none of the 3 officers listed in 2023 report compensation.

Officers on the 2023 filing

  • William H. Hinkle Trustee

    President

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Howard Leonard

    Trustee

    On filings since 2020

    0.5 hrs/week

    No compensation reported

  • Kathryn Hinkle

    Trustee

    On filings since 2020

    0.5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2023. "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 William H Hinkle Charitable Foundation

How much does William H Hinkle Charitable Foundation give each year?

William H Hinkle Charitable Foundation gave $87K across 8 grants in 2023, according to its 2023 IRS Form 990-PF. In 2022 it gave $112K across 7 grants.

What is William H Hinkle Charitable Foundation's typical grant size?

William H Hinkle Charitable Foundation's median grant in 2023 was $5,000, and its average grant was $10,860, across 8 grants on its 2023 IRS Form 990-PF.

Where does William H Hinkle Charitable Foundation give grants?

William H Hinkle Charitable Foundation's top state is California, with 41% of the grant dollars itemized on its 2023 IRS Form 990-PF. The next largest states were Massachusetts (29%) and New York (6%). The most frequent recipient cities were Geyserville, CA (3 grants).

Does William H Hinkle Charitable Foundation give general operating support?

Not in 2023: none of the 8 grants with a stated purpose on William H Hinkle Charitable Foundation's 2023 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Other" (5 grants).

Who are William H Hinkle Charitable Foundation's largest grantees?

William H Hinkle Charitable Foundation's largest 2023 grantees include World Bamboo Foundation ($25,000), Sonoma Land Trust ($25,000) and Netherlands Bach Society ($15,883), according to its 2023 IRS Form 990-PF. Together they received 76% of its itemized 2023 grant dollars.

How large is William H Hinkle Charitable Foundation?

William H Hinkle Charitable Foundation reported $2.4M in total assets on its 2023 IRS Form 990-PF. It paid out $87K in qualifying distributions that year, against a required minimum of $119K (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 William H Hinkle Charitable Foundation's EIN?

William H Hinkle Charitable Foundation's EIN (Employer Identification Number) is 20-2045526. IRS Form 990 filing data is available on this page for 2020–2023.

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

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2023

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

Figures come from William H Hinkle Charitable Foundation'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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