William H Hinkle Charitable Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like William H Hinkle Charitable Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 20-2045526

Foundation Overview

Based in Geyserville, CA, William H Hinkle Charitable Foundation has awarded 73 grants totaling $1,274,524 to organizations in Massachusetts, California and 4 other states, plus international recipients. Individual grants range from $50 to $180,000, with a median award of $5,000.

Latest Tax Year
2024
Total Giving (all years)
$1,274,524
Total Assets
$2,438,364
Median Grant (all grants)
$5,000

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$19,000
% Median Grant Growth
+280% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: March 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Balanced Approach: 50%

2 of 4 recipients (50%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
California

77% of all grants are concentrated in California, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within California, funding concentrates in Geyserville (36%), Santa Rosa (36%), Lompoc (5%).

Funding Trajectory
-66%

Declining funding trend with 66% decrease over 8 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
General Purposes + 4 others

Diversified giving across multiple program areas with primary emphasis on general purposes (35%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into William H Hinkle Charitable Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Geyserville Community Foundation $5,000 Geyserville, CA, US Other 2024
World Bamboo Foundation $25,000 Plytmouth, MA, US Environmental Grant 2024
Russian River Keeper $13,000 Healdsburg, CA, US Environmental Grant 2024
Sea Star Village $50,000 Geyserville, CA, US Environmental Grant 2024
Outright International $5,000 New York, NY, US Other 2023
World Bamboo Foundation $25,000 Plytmouth, MA, US Other 2023
St Jude $5,000 Memphis, TN, US Other 2023
Geyserville Community Foundation $5,000 Geyserville, CA, US Other 2023
Geyserville Education Foundation $1,000 Geyserville, CA, US Environmental Grant 2023
Netherlands Bach Society $15,883 Foreign, Foreign, NL Music Grant 2023
Sonoma Land Trust $25,000 Santa Rosa, CA, US Environmental Grant 2023
Northern Sonoma County Fire Foundation $5,000 Geyserville, CA, US Other 2023
Sonoma Land Trust $100,000 Santa Rosa, CA, US Environmental Grant 2022
Geyserville Education Foundation $1,000 Geyserville, CA, US Environmental Grant 2022
White Buffalo Land Trust $1,000 Lompoc, CA, US Other 2022
Outright Vermont $1,000 Burlington, VT, US Other 2022
Croix Roug $2,500 Foreign, Foreign, UP Other 2022
Climate Ride $1,000 Missoula, MT, US Other 2022
Geyserville Community Foundation $5,000 Geyserville, CA, US Other 2022
Sonoma Land Trust $100,000 Santa Rosa, CA, US Environmental Grant 2022
Geyserville Education Foundation $1,000 Geyserville, CA, US Environmental Grant 2022
White Buffalo Land Trust $1,000 Lompoc, CA, US Other 2022
Outright Vermont $1,000 Burlington, VT, US Other 2022
Croix Roug $2,500 Foreign, Foreign, UP Other 2022
Climate Ride $1,000 Missoula, MT, US Other 2022
Geyserville Community Foundation $5,000 Geyserville, CA, US Other 2022
Sonoma Land Trust $100,000 Santa Rosa, CA, US Environmental Grant 2022
Geyserville Education Foundation $1,000 Geyserville, CA, US Environmental Grant 2022
White Buffalo Land Trust $1,000 Lompoc, CA, US Other 2022
Outright Vermont $1,000 Burlington, VT, US Other 2022
Croix Roug $2,500 Foreign, Foreign, UP Other 2022
Climate Ride $1,000 Missoula, MT, US Other 2022
Geyserville Community Foundation $5,000 Geyserville, CA, US Other 2022
World Bamboo Foundation $180,000 Plymouth, MA, US Environmental Grant 2021
Geyserville Education Foundation $1,000 Geyserville, CA, US Environmental Grant 2021
Community Foundation Of Sonoma County $1,000 Santa Rosa, CA, US Other Grant 2021
California Land Stewardship Institute $25,000 Napa, CA, US Environmental Grant 2020
Sonoma Land Trust $50,000 Santa Rosa, CA, US Environmental Grant 2020
Geyserville Volunteer Fire $1,000 Geyserville, CA, US Environmental Grant 2020
Lime Foundation $5,000 Santa Rosa, CA, US Music Grant 2020
Cool Effect $4,998 Greenbrae, CA, US Environmental Grant 2020
White Buffalo Land Trust $5,000 Summerland, CA, US Environmental Grant 2020
Pepperwood Foundation $3,268 Santa Rosa, CA, US Environmental Grant 2020
Scopa Has A Dream $5,000 Healdsburg, CA, US Nutrition 2020
Asylumconnect $10,000 New York, NY, US Social Justice Grant 2020
Joshua Siracusa $1,000 Tehachapi, CA, US Minority Scholarship To A Designee Of The Aauw 2020
Sonoma County Wine Growers Foundation $5,000 Santa Rosa, CA, US Food, Medical, Or Rent For Vineyard Workers 2020
Geyserville Historical Society $1,000 Geyserville, CA, US Local Community Grant 2020
California Masonic Foundation $1,000 San Francisco, CA, US Social & Aging Grant 2020
Valley Of The Moon Children's Home Foundation $2,000 Santa Rosa, CA, US Local Community Grant 2020
Santa Rosa Sunrise Rotary Foundation $2,000 Santa Rosa, CA, US Local Community Grant 2020
Geyserville Education Foundation $1,000 Geyserville, CA, US Education 2018
Uc Regents $35,000 Santa Cruz, CA, US Nutrition 2018
Chop's Teen Club $2,000 Santa Rosa, CA, US Education 2018
Geyserville Volunteer Fire $2,875 Geyserville, CA, US Community 2018
Cte Foundation Sonoma County $5,000 Santa Rosa, CA, US Education 2018
Chop's Teen Club $3,000 Santa Rosa, CA, US Environmental 2018
Aauw $1,000 Sacramento, CA, US Community 2018
Sonoma Land Trust $50,000 Santa Rosa, CA, US Environmental 2017
Sonoma State University $5,000 Rohnert Park, CA, US Music 2017
Various Small Grants $10,600 Geyserville, CA, US Community 2017
Sonoma County Grape Growers Foundation $50,000 Santa Rosa, CA, US Environmental 2017
Nrdc $6,250 New York, NY, US Environmental 2017
Pepperwood Foundation $5,000 Santa Rosa, CA, US Environmental 2017
Geyserville Oriental Hall $5,000 Geyserville, CA, US Community 2017
Geyserville Educational Foundation $1,000 Geyserville, CA, US Community 2016
Sonoma Land Trust $100,000 Santa Rosa, CA, US Environmental 2016
Sonoma State University $5,000 Rohnert Park, CA, US Music 2016
Various Small Grants $50 Geyserville, CA, US Community 2016
Camp Kesem $100 Culver City, CA, US Community 2016
Health Care Of Sonoma County $50,000 Santa Rosa, CA, US Health 2016
St Helena Hospital Foundation $69,000 St Helena, CA, US Health 2016
Cte Foundation $50,000 Santa Rosa, CA, US Community 2016

Foundations Similar to William H Hinkle Charitable Foundation

Discover 5 foundations with comparable assets ($2,426,016-$2,447,972), similar grant patterns, and geographic focus in CA that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 85-0868209 | 65 grants awarded
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$3,440
median grant
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EIN: 27-1541461 | 114 grants awarded
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EIN: 06-6356055 | 61 grants awarded
$2,432,596
(≈ Similar)
$5,000
median grant
Goleta, CA
Same state
100%
Excellent match

EIN: 77-0513674 | 21 grants awarded
$2,447,972
(≈ Similar)
$10,000
median grant
Arroyo Grande, CA
Same state
100%
Excellent match

EIN: 47-6685592 | 151 grants awarded
$2,426,016
(≈ Similar)
$3,500
median grant
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Same state
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Excellent match

Contact Information

Official contact details for William H Hinkle Charitable Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 20-2045526
Website http://www.thehcf.org
Address PO BOX 10 Geyserville, CA 95441-0000

Key People (3)

Board members, trustees, and key staff who oversee William H Hinkle Charitable Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

President William H Hinkle Trustee
Trustee Howard Leonard
Trustee Kathryn Hinkle

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for William H Hinkle Charitable Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated March 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.