Los Cerritos Wetlands Stewardship Inc

  • Long Beach, CA
  • Tax exemption issued: July 2001
  • EIN: 95-4804390

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: Environmental Quality, Protection and Beautification / Water Resource, Wetlands Conservation and Management (NTEE)

Donations to this organization are tax deductible.

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. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Organizations with gross receipts of less than $50,000 can file the form 990-N postcard filing, which doesn’t include financial details. All Form 990 data is from the IRS.

Fiscal Year Ending June
2026

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$969,484
Expenses
$1,013,856
Net Income
-$44,372
Net Assets
$524,057
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,500
0.2%
Program Services $966,559
99.7%
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $1,425
0.1%
Notable Expenses Percent of Total Expenses
Executive Compensation $171,209
16.9%
Professional Fundraising Fees $0
Other Salaries and Wages $434,804
42.9%
Assets/Debt
Total Assets $624,178
Total Liabilities $100,121
Net Assets $524,057
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $150,000 $0 $21,209
Eugene Anderson (Cfo) $0 $0 $0
Lisa Arkinstall (Secretary) $0 $0 $0

Document Links

990
Filed on Aug. 17, 2026

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending June
2025

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$969,813
Expenses
$1,118,703
Net Income
-$148,890
Net Assets
$568,429
Notable Sources of Revenue Percent of Total Revenue
Contributions $4,596
0.5%
Program Services $965,217
99.5%
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $168,919
15.1%
Professional Fundraising Fees $0
Other Salaries and Wages $474,027
42.4%
Assets/Debt
Total Assets $656,970
Total Liabilities $88,541
Net Assets $568,429
Other
Reported conflict of interest transactions
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $150,000 $0 $18,919
Eugene Anderson (Cfo) $0 $0 $0
Lisa Arkinstall (Secretary) $0 $0 $0

Document Links

990
Filed on Aug. 5, 2026

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML
View Filing (2 of 2)

Fiscal Year Ending June
2024

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,372,938
Expenses
$1,145,063
Net Income
$227,875
Net Assets
$1,234,852
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,372,938
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $104,000
9.1%
Professional Fundraising Fees $0
Other Salaries and Wages $510,111
44.5%
Assets/Debt
Total Assets $1,245,883
Total Liabilities $11,031
Net Assets $1,234,852
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Sept. 19, 2024

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2023

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,287,878
Expenses
$1,058,299
Net Income
$229,579
Net Assets
$1,006,977
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,287,878
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $105,108
9.9%
Professional Fundraising Fees $0
Other Salaries and Wages $556,502
52.6%
Assets/Debt
Total Assets $1,045,694
Total Liabilities $38,717
Net Assets $1,006,977
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Oct. 6, 2023

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2022

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,117,615
Expenses
$954,243
Net Income
$163,372
Net Assets
$777,398
Notable Sources of Revenue Percent of Total Revenue
Contributions $1,117,615
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $480,651
50.4%
Assets/Debt
Total Assets $783,368
Total Liabilities $5,970
Net Assets $777,398
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Aug. 20, 2022

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2021

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$683,470
Expenses
$664,367
Net Income
$19,103
Net Assets
$614,026
Notable Sources of Revenue Percent of Total Revenue
Contributions $683,470
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $96,000
14.4%
Professional Fundraising Fees $0
Other Salaries and Wages $285,022
42.9%
Assets/Debt
Total Assets $620,600
Total Liabilities $6,574
Net Assets $614,026
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $96,000 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Aug. 10, 2021

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
XML

Fiscal Year Ending June
2020

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$836,969
Expenses
$685,425
Net Income
$151,544
Net Assets
$594,923
Notable Sources of Revenue Percent of Total Revenue
Contributions $836,969
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $347,513
50.7%
Assets/Debt
Total Assets $601,497
Total Liabilities $6,574
Net Assets $594,923
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Sept. 5, 2020

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2019

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$606,239
Expenses
$623,706
Net Income
-$17,467
Net Assets
$443,379
Notable Sources of Revenue Percent of Total Revenue
Contributions $606,239
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $344,196
55.2%
Assets/Debt
Total Assets $449,953
Total Liabilities $6,574
Net Assets $443,379
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Nov. 22, 2019

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2018

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$701,193
Expenses
$624,557
Net Income
$76,636
Net Assets
$460,846
Notable Sources of Revenue Percent of Total Revenue
Contributions $701,193
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $72,000
11.5%
Professional Fundraising Fees $0
Other Salaries and Wages $264,579
42.4%
Assets/Debt
Total Assets $462,415
Total Liabilities $1,569
Net Assets $460,846
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Oct. 14, 2018

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2017

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$680,042
Expenses
$488,576
Net Income
$191,466
Net Assets
$384,210
Notable Sources of Revenue Percent of Total Revenue
Contributions $680,042
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $245,849
50.3%
Assets/Debt
Total Assets $384,210
Total Liabilities $0
Net Assets $384,210
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Sept. 3, 2017

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2016

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$446,955
Expenses
$375,460
Net Income
$71,495
Net Assets
$192,744
Notable Sources of Revenue Percent of Total Revenue
Contributions $446,955
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $218,573
58.2%
Assets/Debt
Total Assets $192,744
Total Liabilities $0
Net Assets $192,744
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $0 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Sept. 13, 2016

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML
PDF (2 of 2)

Fiscal Year Ending June
2015

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$346,100
Expenses
$352,674
Net Income
-$6,574
Net Assets
$121,249
Notable Sources of Revenue Percent of Total Revenue
Contributions $346,100
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $48,000
13.6%
Professional Fundraising Fees $0
Other Salaries and Wages $130,895
37.1%
Assets/Debt
Total Assets $121,249
Total Liabilities $0
Net Assets $121,249
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $48,000 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Oct. 27, 2015

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2014

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$313,799
Expenses
$313,620
Net Income
$179
Net Assets
$127,823
Notable Sources of Revenue Percent of Total Revenue
Contributions $313,799
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $46,000
14.7%
Professional Fundraising Fees $0
Other Salaries and Wages $109,062
34.8%
Assets/Debt
Total Assets $127,823
Total Liabilities $0
Net Assets $127,823
Compensation
Key Employees and Officers Compensation Related Other
Leonard A Arkinstall (Ceo) $46,000 $0 $0
Eugene Anderson (Secretary) $0 $0 $0
Len Arkinstall Jr (Treasurer) $0 $0 $0

Document Links

990
Filed on Oct. 7, 2014

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2013

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$338,562
Expenses
$287,453
Net Income
$51,109
Net Assets
$127,644
Notable Sources of Revenue Percent of Total Revenue
Contributions $338,562
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $46,000
16.0%
Professional Fundraising Fees $0
Other Salaries and Wages $124,733
43.4%
Assets/Debt
Total Assets $127,644
Total Liabilities $0
Net Assets $127,644

Document Links

990
Filed on Dec. 13, 2013

Primary tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending June
2012

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$171,631
Expenses
$226,327
Net Income
-$54,696
Net Assets
$76,535
Notable Sources of Revenue Percent of Total Revenue
Contributions $171,631
100%
Program Services $0
Investment Income $0
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Notable Expenses Percent of Total Expenses
Executive Compensation $0
Professional Fundraising Fees $0
Other Salaries and Wages $136,706
60.4%
Assets/Debt
Total Assets $76,535
Total Liabilities $0
Net Assets $76,535

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2011

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2009

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2007

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2006

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2004

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending June
2003

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990

Primary tax return for a nonprofit’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 financial information from tax returns processed by the IRS since the 2012 calendar years, as well as data extracted from digital filings. IRS summary data also includes limited 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 for 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?

Most organizations that have been recognized as tax exempt by the IRS have to file the 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 the 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," which does not contain financial details. Churches are not required to file Form 990.

Nonprofit Explorer has organizations that are claiming tax exemption in any of the 27 subsections of the 501(c) section of the tax code. Taxable trusts and private foundations that are required to file a form 990PF are also included.

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 Employer Identification Numbers 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.
  • 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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About Nonprofit Explorer

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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