Porter E & Helenmae Thompson Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Porter E & Helenmae Thompson Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 94-2831112

Foundation Overview

Based in Lafayette, CA, Porter E & Helenmae Thompson Foundation has awarded 112 grants totaling $9,383,020 to organizations in California, Virginia and 6 other states across the US. Individual grants range from $5,000 to $4,138,364, with a median award of $8,000.

Latest Tax Year
2023
Total Giving (all years)
$9,383,020
Total Assets
$0
Median Grant (all grants)
$8,000

Latest Form 990-PF Snapshot

Total Grants
1
Median Grant
$75,292
% Median Grant Decline
-98% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

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

New Applicant Friendliness
Limited Sample: 0%

1 total grant. Insufficient data for reliable pattern analysis. Foundation may be highly selective or recently established.

Geographic Focus
California

63% of grants are awarded in California, with additional funding distributed across 7 other locations. The foundation balances regional focus with broader geographic diversity. Within California, funding concentrates in San Francisco (32%), Napa (14%), Pleasant Hill (14%).

Funding Trajectory
-57%

Declining funding trend with 57% decrease over 7 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 (42%). 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 Porter E & Helenmae Thompson 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
Greater Horizons $75,292 Kansas City, MO, US General Purpose 2023
Greater Horizons $4,138,364 Kansas City, MO, US General Purpose 2022
Greater Horizons $4,138,364 Kansas City, MO, US General Purpose 2022
Aldea Inc $14,000 Napa, CA, US Children And Family Services 2021
Alzheimer's Association $17,000 San Jose, CA, US Research And Support Services For Alzheimer's Disease 2021
Army Emergency Relief $12,000 Alexandria, VA, US Emergency Funding To Military Personnel 2021
Berkeley Foundation $17,000 Berkeley, CA, US General Purpose 2021
Boston College $9,000 Chestnut Hill, MA, US Newton College Alumnae Professorship In Western Culture 2021
Cure Alzheimers Fund $12,000 Wellesley Hills, MA, US Research And Support Services For Alzheimer's Disease 2021
Doctors Without Borders $17,000 New York, NY, US Medical Relief Organization 2021
Epiphany Center $8,000 San Francisco, CA, US Mental Health Care For Children And Families 2021
Foundation For Nuerologic Diseases $17,000 Newburyport, MA, US Research And Support Services For Alzheimer's Disease 2021
Galapagos Conservancy $10,000 Fairfax, VA, US Conservation Of The Ecosystem Of The Galapagos Islands 2021
Greenbelt Alliance $8,000 San Francisco, CA, US Protection Of Open Spaces In The San Francisco Bay Area 2021
Guide Dogs For The Blind Inc $8,000 San Rafael, CA, US Free Service And Guide Dogs For Those With Vision Loss 2021
Habitat For Humanity - East Bay $8,000 Oakland, CA, US Builds Houses For Those In Need 2021
High Desert Museum $10,000 Bend, OR, US General Purpose 2021
Hospice By The Bay $8,000 Larkspur, CA, US Provides Pediatric And Adult Palliative Care 2021
Hospice Of The East Bay $8,000 Pleasant Hill, CA, US Provides Adult Palliative Care 2021
The Nature Conservancy $8,000 San Francisco, CA, US Environmental Conservation 2021
Queen Of The Valley Hospital Foundation $16,000 Napa, CA, US Community Healthcare Services 2021
St Anthony's Foundation $22,000 San Francisco, CA, US Provides Food, Clothing And Healthcare To Poor 2021
Special Olympics $8,000 Pleasant Hill, CA, US Sports Training And Competitions For The Developmentally Handicapped 2021
Aldea Inc $12,000 Napa, CA, US Children And Family Services 2020
Alzheimer's Association $15,000 San Jose, CA, US Research And Support Services For Alzheimer's Disease 2020
Army Emergency Relief $10,000 Alexandria, VA, US Emergency Funding To Military Personnel 2020
Berkeley Foundation $15,000 Berkeley, CA, US General Purpose 2020
Boston College $7,000 Chestnut Hill, MA, US Newton College Alumnae Professorship In Western Culture 2020
Cure Alzheimers Fund $10,000 Wellesley Hills, MA, US Research And Support Services For Alzheimer's Disease 2020
Doctors Without Borders $15,000 New York, NY, US Medical Relief Organization 2020
Epiphany Center $6,000 San Francisco, CA, US Mental Health Care For Children And Families 2020
Galapagos Conservancy $8,000 Fairfax, VA, US Conservation Of The Ecosystem Of The Galapagos Islands 2020
Greenbelt Alliance $6,000 San Francisco, CA, US Protection Of Open Spaces In The San Francisco Bay Area 2020
Guide Dogs For The Blind Inc $6,000 San Rafael, CA, US Free Service And Guide Dogs For Those With Vision Loss 2020
Habitat For Humanity - East Bay $6,000 Oakland, CA, US Builds Houses For Those In Need 2020
High Desert Museum $8,000 Bend, OR, US General Purpose 2020
Hospice By The Bay $6,000 Larkspur, CA, US Provides Pediatric And Adult Palliative Care 2020
Hospice Of The East Bay $6,000 Pleasant Hill, CA, US Provides Adult Palliative Care 2020
Oakland Public Library $9,000 Oakland, CA, US General Purpose 2020
Queen Of The Valley Hospital Foundation $14,000 Napa, CA, US Community Healthcare Services 2020
Special Olympics $6,000 Pleasant Hill, CA, US Sports Training And Competitions For The Developmentally Handicapped 2020
St Anthony's Foundation $20,000 San Francisco, CA, US Provides Food, Clothing And Healthcare To Poor 2020
The Foundation For Neurologic Diseases $15,000 Newburyport, MA, US Research For Multiple Sclerosis 2020
The Nature Conservancy $6,000 San Francisco, CA, US Environmental Conservation 2020
Aldea Inc $12,000 Napa, CA, US Children And Family Services 2018
Alzheimer's Association $15,000 San Jose, CA, US Research And Support Services For Alzheimer's Disease 2018
Army Emergency Relief $10,000 Alexandria, VA, US Emergency Funding To Military Personnel 2018
Boston College $6,000 Chestnut Hill, MA, US Newton College Alumnae Professorship In Western Culture 2018
Doctors Without Borders $15,000 New York, NY, US Medical Relief Organization 2018
Epiphany Center $6,000 San Francisco, CA, US Mental Health Care For Children And Families 2018
First Graduate $6,000 San Francisco, CA, US Mentors Low Income Students During High School 2018
Galapagos Conservancy $6,000 Fairfax, VA, US Conservation Of The Ecosystem Of The Galapagos Islands 2018
Greenbelt Alliance $6,000 San Francisco, CA, US Protection Of Open Spaces In The San Francisco Bay Area 2018
Guide Dogs For The Blind Inc $6,000 San Rafael, CA, US Free Service And Guide Dogs For Those With Vision Loss 2018
Habitat For Humanity - East Bay $6,000 Oakland, CA, US Builds Houses For Those In Need 2018
Hospice By The Bay $6,000 Larkspur, CA, US Provides Pediatric And Adult Palliative Care 2018
Hospice Of The East Bay $6,000 Pleasant Hill, CA, US Provides Adult Palliative Care 2018
Learning Ally $6,000 Princeton, NJ, US Provides Textbooks To The Blind & Dyslexic 2018
Queen Of The Valley Hospital Foundation $14,000 Napa, CA, US Community Healthcare Services 2018
Second Start Adult Literacy Pr $12,000 Oakland, CA, US Provides Textbooks To The Blind & Dyslexic 2018
Special Olympics $6,000 Pleasant Hill, CA, US Sports Training And Competitions For The Developmentally Handicapped 2018
St Anthony's Foundation $20,000 San Francisco, CA, US Provides Food, Clothing And Healthcare To Poor 2018
The Foundation For Neurologic Diseases $15,000 Newburyport, MA, US Research For Multiple Sclerosis 2018
The Nature Conservancy $6,000 San Francisco, CA, US Environmental Conservation 2018
University Of California College Of Engineering $15,000 Berkeley, CA, US Provides Engineering Scholarships 2018
Cure Alzheimers Fund $5,000 Wellesley Hills, MA, US Research And Support Services For Alzheimer's Disease 2018
Desert Sage Society $6,000 Bend, OR, US Regional Museum 2018
Aldea Inc $11,000 Napa, CA, US Children And Family Services 2017
Alzheimer's Association $14,000 San Jose, CA, US Research And Support Services For Alzheimer's Disease 2017
Army Emergency Relief $6,000 Alexandria, VA, US Emergency Funding To Military Personnel 2017
Boston College $6,000 Chestnut Hill, MA, US Newton College Alumnae Professorship In Western Culture 2017
Doctors Without Borders $14,000 New York, NY, US Medical Relief Organization 2017
Epiphany Center $6,000 San Francisco, CA, US Mental Health Care For Children And Families 2017
First Graduate $6,000 San Francisco, CA, US Mentors Low Income Students During High School 2017
Galapagos Conservancy $6,000 Fairfax, VA, US Conservation Of The Ecosystem Of The Galapagos Islands 2017
Greenbelt Alliance $6,000 San Francisco, CA, US Protection Of Open Spaces In The San Francisco Bay Area 2017
Guide Dogs For The Blind Inc $6,000 San Rafael, CA, US Free Service And Guide Dogs For Those With Vision Loss 2017
Habitat For Humanity - East Bay $6,000 Oakland, CA, US Builds Houses For Those In Need 2017
Hospice By The Bay $6,000 Larkspur, CA, US Provides Pediatric And Adult Palliative Care 2017
Hospice Of The East Bay $6,000 Pleasant Hill, CA, US Provides Adult Palliative Care 2017
Learning Ally $6,000 Princeton, NJ, US Provides Textbooks To The Blind & Dyslexic 2017
Queen Of The Valley Hospital Foundation $12,000 Napa, CA, US Community Healthcare Services 2017
Regions Hospital $14,000 St Paul, MN, US Health Partners Center For Memory & Aging 2017
Second Start Adult Literacy Pr $5,000 Oakland, CA, US Provides Textbooks To The Blind & Dyslexic 2017
Special Olympics $6,000 Pleasant Hill, CA, US Sports Training And Competitions For The Developmentally Handicapped 2017
St Anthony's Foundation $20,000 San Francisco, CA, US Provides Food, Clothing And Healthcare To Poor 2017
The Foundation For Neurologic Diseases $14,000 Newburyport, MA, US Research For Multiple Sclerosis 2017
The High Desert Museum $6,000 Bend, OR, US Regional Museum 2017
The Nature Conservancy $6,000 San Francisco, CA, US Environmental Conservation 2017
University Of California College Of Engineering $14,000 Berkeley, CA, US Provides Engineering Scholarships 2017
Aldea Inc $10,000 Napa, CA, US Children And Family Services 2016
Alzheimer's Association $13,000 San Jose, CA, US Research And Support Services For Alzheimer's Disease 2016
Army Emergency Relief $5,000 Alexandria, VA, US Emergency Funding To Military Personnel 2016
Boston College $5,000 Chestnut Hill, MA, US Newton College Alumnae Professorship In Western Culture 2016
Doctors Without Borders $13,000 New York, NY, US Medical Relief Organization 2016
Epiphany Center $5,000 San Francisco, CA, US Mental Health Care For Children And Families 2016
First Graduate $5,000 San Francisco, CA, US Mentors Low Income Students During High School 2016
Galapagos Conservancy $5,000 Fairfax, VA, US Conservation Of The Ecosystem Of The Galapagos Islands 2016
Greenbelt Alliance $5,000 San Francisco, CA, US Protection Of Open Spaces In The San Francisco Bay Area 2016
Guide Dogs For The Blind Inc $5,000 San Rafael, CA, US Free Service And Guide Dogs For Those With Vision Loss 2016
Habitat For Humanity - East Bay $5,000 Oakland, CA, US Builds Houses For Those In Need 2016
The High Desert Museum $5,000 Bend, OR, US Regional Museum 2016
Hospice By The Bay $5,000 Larkspur, CA, US Provides Pediatric And Adult Palliative Care 2016
Hospice Of The East Bay $5,000 Pleasant Hill, CA, US Provides Adult Palliative Care 2016
Learning Ally $5,000 Princeton, NJ, US Provides Textbooks To The Blind & Dyslexic 2016
The Nature Conservancy $5,000 San Francisco, CA, US Environmental Conservation 2016
The Foundation For Neurologic Diseases $13,000 Newburyport, MA, US Research For Multiple Sclerosis 2016
Queen Of The Valley Hospital Foundation $10,000 Napa, CA, US Community Healthcare Services 2016
Regions Hospital $13,000 St Paul, MN, US Health Partners Center For Memory & Aging 2016
St Anthony's Foundation $20,000 San Francisco, CA, US Provides Food, Clothing And Healthcare To Poor 2016
Special Olympics $5,000 Pleasant Hill, CA, US Sports Training And Competitions For The Developmentally Handicapped 2016
University Of California College Of Engineering $13,000 Berkeley, CA, US Provides Engineering Scholarships 2016

Foundations Similar to Porter E & Helenmae Thompson Foundation

Discover 5 foundations with comparable assets ($0-$0), 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: 45-3663180 | 3 grants awarded
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median grant
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Same state
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Excellent match

EIN: 85-2648340 | 14 grants awarded
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Same state
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EIN: 20-0117747 | 3 grants awarded
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$4,500
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Crescent City, CA
Same state
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EIN: 33-2300550 | 2 grants awarded
$0
(≈ Similar)
$5,000
median grant
Los Angeles, CA
Same state
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EIN: 20-4372963 | 3 grants awarded
$0
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Contact Information

Official contact details for Porter E & Helenmae Thompson Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 94-2831112
Website N/A
Address PO BOX 417 Lafayette, CA 94549-0000

Key People (3)

Board members, trustees, and key staff who oversee Porter E & Helenmae Thompson Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

President Barbara J Cadle
Treasurer Carolyn Cadle
Secretary Suzanne Cadle Glaubitz

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 Porter E & Helenmae Thompson 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.