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Leiden Conservation Foundation

  • Chagrin Falls, OH
  • Tax-exempt since Aug. 2011
  • EIN: 45-2591325

Organization summary

Type of Nonprofit

Designated as a 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.

Category: Philanthropy, Voluntarism and Grantmaking Foundations / Private Independent Foundations (NTEE)

Donations to this organization are tax deductible.

Summary charts: organization finances over time

Revenue
$1.06M (2024)

Expenses
$713k (2024)

Total Assets
$513k (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

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$1,061,971
Expenses
$713,371
Net Income
$348,600
Net Assets
$512,884
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $1,051,711
99.0%
Interest Revenue $0
Dividends $10,260
1.0%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $712,771
99.9%
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 $512,884
Total Liabilities $0
Net Assets $512,884
Compensation
Key Employees and Officers Compensation Other
Thomas M Leiden (President) $0 $0
Kathleen A Leiden (Secretary/Treasurer) $0 $0

Document Links

990-PF
Filed on June 27, 2025

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$552,579
Expenses
$438,471
Net Income
$114,108
Net Assets
$164,284
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $550,000
99.5%
Interest Revenue $0
Dividends $2,579
0.5%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $437,921
99.9%
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 $164,284
Total Liabilities $0
Net Assets $164,284
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (President) $0 $0
Kathleen Leiden (Secretary/Treasurer) $0 $0

Document Links

990-PF
Filed on March 19, 2024

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$202,823
Expenses
$403,727
Net Income
-$200,904
Net Assets
$50,176
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $201,698
99.4%
Interest Revenue $0
Dividends $1,125
0.6%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $395,429
97.9%
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 $50,176
Total Liabilities $0
Net Assets $50,176
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (President) $0 $0
Kathleen Leiden (Secretary/Treasurer) $0 $0

Document Links

990-PF
Filed on July 5, 2023

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$502,730
Expenses
$313,383
Net Income
$189,347
Net Assets
$251,080
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $502,703
100.0%
Interest Revenue $0
Dividends $27
0.0%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $311,703
99.5%
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 $251,080
Total Liabilities $0
Net Assets $251,080
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (President) $0 $0
Kathleen Leiden (Secretary/Treasurer) $0 $0

Document Links

990-PF
Filed on May 16, 2022

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$400,694
Expenses
$367,195
Net Income
$33,499
Net Assets
$61,732
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $400,601
100.0%
Interest Revenue $0
Dividends $93
0.0%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $365,182
99.5%
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 $61,733
Total Liabilities $1
Net Assets $61,732
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on Nov. 15, 2021

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

View Filing
XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$375,260
Expenses
$467,241
Net Income
-$91,981
Net Assets
$28,233
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $375,000
99.9%
Interest Revenue $0
Dividends $260
0.1%
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $464,027
99.3%
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 $28,234
Total Liabilities $1
Net Assets $28,233
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on March 18, 2020

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$358,279
Expenses
$454,556
Net Income
-$96,277
Net Assets
$120,215
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $309,731
86.4%
Interest Revenue $0
Dividends $821
0.2%
Sales of Assets $47,727
13.3%
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $452,857
99.6%
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 $120,215
Total Liabilities $0
Net Assets $120,215
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 14, 2019

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$2,190
Expenses
$393,876
Net Income
-$391,686
Net Assets
$264,065
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $0
Interest Revenue $2,190
100%
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $391,540
99.4%
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 $264,065
Total Liabilities $0
Net Assets $264,065
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 14, 2018

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$650,091
Expenses
$376,640
Net Income
$273,451
Net Assets
$655,751
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $649,334
99.9%
Interest Revenue $95
0.0%
Dividends $0
Sales of Assets $662
0.1%
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $371,045
98.5%
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 $655,751
Total Liabilities $0
Net Assets $655,751
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 31, 2017

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$400,000
Expenses
$261,055
Net Income
$138,945
Net Assets
$382,300
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $400,000
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $257,300
98.6%
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 $382,300
Total Liabilities $0
Net Assets $382,300
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 10, 2016

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$352,292
Expenses
$314,807
Net Income
$37,485
Net Assets
$243,355
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $352,292
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $310,131
98.5%
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 $243,355
Total Liabilities $0
Net Assets $243,355
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 6, 2015

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$256,657
Expenses
$256,036
Net Income
$621
Net Assets
$205,870
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $256,657
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $253,740
99.1%
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 $205,870
Total Liabilities $0
Net Assets $205,870
Compensation
Key Employees and Officers Compensation Other
Thomas Leiden (Director; President) $0 $0
Kathleen Leiden (Director; Secretary/Treasu) $0 $0

Document Links

990-PF
Filed on May 9, 2014

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$340,100
Expenses
$241,125
Net Income
$98,975
Net Assets
$205,248
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $340,100
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $239,982
99.5%
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 $205,249
Total Liabilities $1
Net Assets $205,248

Document Links

990-PF

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

PDF

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from Form 990-PF
Revenue
$166,500
Expenses
$60,226
Net Income
$106,274
Net Assets
$106,274
Notable Sources of Revenue Percent of Total Revenue
Contributions Received $166,500
100%
Interest Revenue $0
Dividends $0
Sales of Assets $0
Other Income $0
Notable Expenses Percent of Total Expenses
Charitable Disbursements $60,000
99.6%
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 $106,274
Total Liabilities $0
Net Assets $106,274

Document Links

990-PF

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

PDF

About This Data

What Is This Data?

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.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes EINs and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

By Andrea Suozzo, Alec Glassford, Ash Ngu and Brandon Roberts.

Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

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