Stanley S Langendorf Foundation

San Francisco, CA
Tax-exempt since March 1983
EIN: 94-2861512

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Type of Nonprofit

Designated as a 501(c)(3) Organizations for any of the following purposes: religious, educational, charitable, scientific, literary, testing for public safety, fostering national or international amateur sports competition (as long as it doesn't provide athletic facilities or equipment), or the prevention of cruelty to children or animals.

Donations to this organization are tax deductible.

Revenue

$529k (2024)

Expenses

$1.06M (2024)

Total Assets

$4.93M (2024)

Total Liabilities

$0 (2024)

Source: Form 990 tax filings from 2011 to 2024

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Revenue

$528,865

Expenses

$1,060,879

Net Income

-$532,014

Net Assets

$4,926,143

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$204,728	38.7%
Sales of Assets	$324,126	61.3%
Other Income	$11	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$944,000	89.0%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$4,926,143
Total Liabilities	$0
Net Assets	$4,926,143

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President/Tr)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 5, 2025

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

XML

Fiscal Year Ending Dec.
2023

Revenue

$342,985

Expenses

$854,086

Net Income

-$511,101

Net Assets

$5,457,157

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$225,009	65.6%
Sales of Assets	$117,893	34.4%
Other Income	$83	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$724,000	84.8%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$5,457,157
Total Liabilities	$0
Net Assets	$5,457,157

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President/Tr)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 16, 2024

Primary tax return for a private foundation's activities, finances, and governance

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XML

Fiscal Year Ending Dec.
2022

Revenue

$476,034

Expenses

$901,169

Net Income

-$425,135

Net Assets

$5,968,258

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$191,501	40.2%
Sales of Assets	$284,462	59.8%
Other Income	$71	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$792,400	87.9%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$5,968,258
Total Liabilities	$0
Net Assets	$5,968,258

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President & Treasurer)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on Oct. 16, 2023

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2021

Revenue

$888,898

Expenses

$766,291

Net Income

$122,607

Net Assets

$6,393,393

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$203,480	22.9%
Sales of Assets	$685,259	77.1%
Other Income	$159	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$655,500	85.5%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$6,393,393
Total Liabilities	$0
Net Assets	$6,393,393

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on June 19, 2022

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

XML

Fiscal Year Ending Dec.
2020

Revenue

$604,592

Expenses

$1,022,977

Net Income

-$418,385

Net Assets

$6,270,785

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$218,012	36.1%
Sales of Assets	$385,506	63.8%
Other Income	$1,074	0.2%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$942,500	92.1%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$6,270,786
Total Liabilities	$1
Net Assets	$6,270,785

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on July 14, 2021

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

XML

Fiscal Year Ending Dec.
2019

Revenue

$538,980

Expenses

$1,159,130

Net Income

-$620,150

Net Assets

$6,689,170

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$255,165	47.3%
Sales of Assets	$281,809	52.3%
Other Income	$2,006	0.4%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,038,000	89.5%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$6,689,171
Total Liabilities	$1
Net Assets	$6,689,170

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on July 6, 2020

Primary tax return for a private foundation's activities, finances, and governance

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Fiscal Year Ending Dec.
2018

Revenue

$893,197

Expenses

$1,587,948

Net Income

-$694,751

Net Assets

$7,309,321

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$236,051	26.4%
Sales of Assets	$656,948	73.6%
Other Income	$198	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,453,500	91.5%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$7,309,321
Total Liabilities	$0
Net Assets	$7,309,321

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 10, 2019

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2017

Revenue

$872,679

Expenses

$1,055,475

Net Income

-$182,796

Net Assets

$8,004,072

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$224,350	25.7%
Sales of Assets	$648,016	74.3%
Other Income	$313	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$934,500	88.5%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$8,004,072
Total Liabilities	$0
Net Assets	$8,004,072

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 14, 2018

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

XML

Fiscal Year Ending Dec.
2016

Revenue

$936,764

Expenses

$1,321,384

Net Income

-$384,620

Net Assets

$8,186,868

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$194,665	20.8%
Sales of Assets	$741,683	79.2%
Other Income	$416	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,210,094	91.6%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$8,186,868
Total Liabilities	$0
Net Assets	$8,186,868

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President &T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 8, 2017

Primary tax return for a private foundation's activities, finances, and governance

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Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2015

Revenue

$555,308

Expenses

$1,281,099

Net Income

-$725,791

Net Assets

$8,571,488

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$159,917	28.8%
Sales of Assets	$393,961	70.9%
Other Income	$1,430	0.3%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,167,750	91.2%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$8,571,488
Total Liabilities	$0
Net Assets	$8,571,488

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President& T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on May 26, 2016

Primary tax return for a private foundation's activities, finances, and governance

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Fiscal Year Ending Dec.
2014

Revenue

$810,625

Expenses

$1,362,881

Net Income

-$552,256

Net Assets

$9,297,279

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$212,587	26.2%
Sales of Assets	$594,820	73.4%
Other Income	$3,218	0.4%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,222,000	89.7%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$9,297,279
Total Liabilities	$0
Net Assets	$9,297,279

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President& T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on Nov. 14, 2015

Primary tax return for a private foundation's activities, finances, and governance

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Fiscal Year Ending Dec.
2013

Revenue

$1,196,374

Expenses

$1,078,845

Net Income

$117,529

Net Assets

$9,849,535

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$192,435	16.1%
Sales of Assets	$1,003,881	83.9%
Other Income	$58	0.0%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$958,350	88.8%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$9,849,535
Total Liabilities	$0
Net Assets	$9,849,535

Compensation

Key Employees and Officers	Compensation	Other
Richard J Guggenhime (President& T)	$0	$0
Charles H Clifford Jr (Director)	$0	$0
Lisa G Hauswirth (Secretary)	$0	$0
Patricia Capbarat (Director)	$0	$0
Andrew Guggenhime (Director)	$0	$0

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990-PF

Filed on Aug. 4, 2014

Primary tax return for a private foundation's activities, finances, and governance

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PDF XML

Fiscal Year Ending Dec.
2012

Revenue

$463,653

Expenses

$973,216

Net Income

-$509,563

Net Assets

$9,732,109

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$1	0.0%
Dividends	$199,323	43.0%
Sales of Assets	$262,707	56.7%
Other Income	$1,622	0.3%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$867,850	89.2%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$9,732,110
Total Liabilities	$1
Net Assets	$9,732,109

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2011

Revenue

$404,174

Expenses

$1,554,906

Net Income

-$1,150,732

Net Assets

$10,241,791

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$87	0.0%
Dividends	$216,766	53.6%
Sales of Assets	$185,303	45.8%
Other Income	$2,018	0.5%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$1,443,420	92.8%
Compensation of Officers*	$0
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$10,241,791
Total Liabilities	$0
Net Assets	$10,241,791

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

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Updated June 30, 2025

Stanley S Langendorf Foundation

Organization summary

Type of Nonprofit

Summary charts: organization finances over time

Revenue $529k (2024)

Expenses $1.06M (2024)

Total Assets $4.93M (2024)

Total Liabilities $0 (2024)

Tax Filings by Year

Fiscal Year Ending Dec. 2024

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2023

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2022

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2021

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2020

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2019

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2018

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2017

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2016

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2015

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2014

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2013

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

Revenue

$529k (2024)

Expenses

$1.06M (2024)

Total Assets

$4.93M (2024)

Total Liabilities

$0 (2024)

Fiscal Year Ending Dec.
2024

Fiscal Year Ending Dec.
2023

Fiscal Year Ending Dec.
2022

Fiscal Year Ending Dec.
2021

Fiscal Year Ending Dec.
2020

Fiscal Year Ending Dec.
2019

Fiscal Year Ending Dec.
2018

Fiscal Year Ending Dec.
2017

Fiscal Year Ending Dec.
2016

Fiscal Year Ending Dec.
2015

Fiscal Year Ending Dec.
2014

Fiscal Year Ending Dec.
2013

Fiscal Year Ending Dec.
2012

Fiscal Year Ending Dec.
2011

Fiscal Year Ending Dec.
2010

Fiscal Year Ending Dec.
2009

Fiscal Year Ending Dec.
2008

Fiscal Year Ending Dec.
2007

Fiscal Year Ending Dec.
2006

Fiscal Year Ending Dec.
2005

Fiscal Year Ending Dec.
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Fiscal Year Ending Dec.
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Fiscal Year Ending Dec.
2002

Fiscal Year Ending Dec.
2001