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San Francisco Bay Bird Observatory

  • Milpitas, CA
  • Tax-exempt since April 1982
  • EIN: 94-2788588

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.

Summary charts: organization finances over time

Revenue
$1.29M (2023)

Expenses
$1.34M (2023)

Total Assets
$420k (2023)

Total Liabilities
$191k (2023)

Source: Form 990 tax filings from 2011 to 2023

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.
2023

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,288,654
Expenses
$1,343,147
Net Income
-$54,493
Net Assets
$228,634
Notable Sources of Revenue Percent of Total Revenue
Contributions $650,744
50.5%
Program Services $631,761
49.0%
Investment Income $5,925
0.5%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $224
0.0%
Notable Expenses Percent of Total Expenses
Executive Compensation $81,288
6.1%
Professional Fundraising Fees $0
Other Salaries and Wages $779,254
58.0%
Assets/Debt
Total Assets $419,569
Total Liabilities $190,935
Net Assets $228,634
Compensation
Key Employees and Officers Compensation Related Other
Chris Overington (Exec. Dir, Cfo) $67,975 $0 $13,313
Lynne A Trulio (Co President) $0 $0 $0
Bruce Paton (Co President) $0 $0 $0
Debbie Wong (Secretary) $0 $0 $0
William Whitmer (Treasurer) $0 $0 $0
Marty Michael (Board Member) $0 $0 $0
Caroline Selfridge (Board Member) $0 $0 $0
Karan Gathani (Board Member) $0 $0 $0
Anshuman Mohapatra (Board Member) $0 $0 $0
David Aguilar Rodriguez (Board Member) $0 $0 $0
Sheri Scheldorf (Board Member) $0 $0 $0
Shubha Tuljapurkar (Board Member) $0 $0 $0
+ View more people

Document Links

990
Filed on July 3, 2024

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

View Filing
XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,106,867
Expenses
$1,263,695
Net Income
-$156,828
Net Assets
$283,127
Notable Sources of Revenue Percent of Total Revenue
Contributions $673,090
60.8%
Program Services $424,951
38.4%
Investment Income $3,798
0.3%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $5,028
0.5%
Notable Expenses Percent of Total Expenses
Executive Compensation $81,115
6.4%
Professional Fundraising Fees $0
Other Salaries and Wages $738,005
58.4%
Assets/Debt
Total Assets $434,769
Total Liabilities $151,642
Net Assets $283,127
Compensation
Key Employees and Officers Compensation Related Other
Chris Overington (Executive Dir.) $57,715 $0 $15,165
Yiwei Wang (Executive Dir.) $8,235 $0 $0
Lynne A Trulio (Co President) $0 $0 $0
Bruce Paton (Co President) $0 $0 $0
Debbie Wong (Secretary) $0 $0 $0
William Whitmer (Treasurer) $0 $0 $0
Caroline Selfridge (Board Member) $0 $0 $0
Karan Gathani (Board Member) $0 $0 $0
Anshuman Mohapatra (Board Member) $0 $0 $0
Sheri Scheldorf (Board Member) $0 $0 $0
Shubha Tuljapurkar (Board Member) $0 $0 $0
+ View more people

Document Links

990
Filed on Sept. 8, 2023

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

View Filing
XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,288,643
Expenses
$987,438
Net Income
$301,205
Net Assets
$504,223
Notable Sources of Revenue Percent of Total Revenue
Contributions $920,177
71.4%
Program Services $361,516
28.1%
Investment Income $5,976
0.5%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $974
0.1%
Notable Expenses Percent of Total Expenses
Executive Compensation $84,822
8.6%
Professional Fundraising Fees $0
Other Salaries and Wages $529,046
53.6%
Assets/Debt
Total Assets $553,712
Total Liabilities $49,489
Net Assets $504,223
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $71,039 $0 $0
Chris Overington (Executive Dir.) $11,473 $0 $0
Marty Michael (President) $0 $0 $0
Christine Zack (Vice President) $0 $0 $0
Debbie Wong (Secretary) $0 $0 $0
Christina Siegel (Treasurer) $0 $0 $0
Hirishi Arria (Treasurer) $0 $0 $0
Anastasia Nedderson (Board Member) $0 $0 $0
Karen Gathani (Board Member) $0 $0 $0
Deanna De Castro (Board Member) $0 $0 $0
Stephanie Oxley (Board Member) $0 $0 $0
Sheri Scheldorf (Board Member) $0 $0 $0
Shubha Tuljapurkar (Board Member) $0 $0 $0
Bruce Paton (Board Member) $0 $0 $0
+ View more people

Document Links

990
Filed on Nov. 8, 2022

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

View Filing
XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$896,261
Expenses
$906,015
Net Income
-$9,754
Net Assets
$203,018
Notable Sources of Revenue Percent of Total Revenue
Contributions $638,586
71.3%
Program Services $251,387
28.0%
Investment Income $980
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $5,308
0.6%
Notable Expenses Percent of Total Expenses
Executive Compensation $71,981
7.9%
Professional Fundraising Fees $0
Other Salaries and Wages $455,003
50.2%
Assets/Debt
Total Assets $351,800
Total Liabilities $148,782
Net Assets $203,018
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $71,981 $0 $0
Marty Michael (Board Chair) $0 $0 $0
Christine Zack (Vice Chair) $0 $0 $0
Kiana Said (Secretary) $0 $0 $0
Cristina Siegel (Treasurer) $0 $0 $0
Hrishi Arria (Board Member) $0 $0 $0
Anastasia Nedderson (Board Member) $0 $0 $0
Jan Hintermeister (Board Member) $0 $0 $0
Stephanie Oxley (Board Member) $0 $0 $0
+ View more people

Document Links

990
Filed on Oct. 25, 2021

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

View Filing
XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,037,549
Expenses
$1,004,118
Net Income
$33,431
Net Assets
$212,772
Notable Sources of Revenue Percent of Total Revenue
Contributions $781,772
75.3%
Program Services $254,364
24.5%
Investment Income $1,048
0.1%
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 $68,904
6.9%
Professional Fundraising Fees $1,921
0.2%
Other Salaries and Wages $474,773
47.3%
Assets/Debt
Total Assets $338,329
Total Liabilities $125,557
Net Assets $212,772
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $68,940 $0 $0
Jan Hintermeister (Board Chair) $0 $0 $0
Lynne Trulio (Co Chair) $0 $0 $0
Christine Zack (Vice Chair) $0 $0 $0
Kiana Said (Secretary) $0 $0 $0
Marty Michael (Treasurer) $0 $0 $0
Hrishi Arria (Director) $0 $0 $0
Anastasia Nedderson (Director) $0 $0 $0
Leah Russin (Director) $0 $0 $0
Cristina Siegel (Director) $0 $0 $0
Larry Spivak (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on Sept. 15, 2020

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$781,565
Expenses
$798,267
Net Income
-$16,702
Net Assets
$179,341
Notable Sources of Revenue Percent of Total Revenue
Contributions $552,608
70.7%
Program Services $227,328
29.1%
Investment Income $526
0.1%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $398
0.1%
Notable Expenses Percent of Total Expenses
Executive Compensation $75,038
9.4%
Professional Fundraising Fees $0
Other Salaries and Wages $451,090
56.5%
Assets/Debt
Total Assets $286,418
Total Liabilities $107,077
Net Assets $179,341
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $68,850 $0 $0
Lynne Trulio (Secretary) $6,188 $0 $0
Jan Hintermeister (Board Chair) $0 $0 $0
Marty Michael (Treasurer) $0 $0 $0
Anne Hepburn (Past Treasurer) $0 $0 $0
Gina Burton (Past Director) $0 $0 $0
Denise Mohsenin (Past Director) $0 $0 $0
Leah Russin (Director) $0 $0 $0
Larry Spivak (Director) $0 $0 $0
Christine Zack (Director) $0 $0 $0
Anna Zivian (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on July 2, 2019

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$961,405
Expenses
$963,972
Net Income
-$2,567
Net Assets
$196,043
Notable Sources of Revenue Percent of Total Revenue
Contributions $783,280
81.5%
Program Services $178,112
18.5%
Investment Income $13
0.0%
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 $57,833
6.0%
Professional Fundraising Fees $0
Other Salaries and Wages $475,397
49.3%
Assets/Debt
Total Assets $355,541
Total Liabilities $159,498
Net Assets $196,043
Other
Reported conflict of interest transactions
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $41,481 $0 $0
Brian Fullfrost (Director) $12,780 $0 $0
Lynne Trulio (Secretary) $2,513 $0 $0
Thomas Stewart (Director) $1,059 $0 $0
Jan Hintermeister (Board Chair) $0 $0 $0
Shannon Mc Mahon (Secretary) $0 $0 $0
Anne Hepburn (Treasurer) $0 $0 $0
Gina Burton (Director) $0 $0 $0
Denise Mohsenin (Director) $0 $0 $0
Leah Russin (Director) $0 $0 $0
Anna Zivian (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on June 7, 2018

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2016

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$1,051,034
Expenses
$1,011,033
Net Income
$40,001
Net Assets
$198,610
Notable Sources of Revenue Percent of Total Revenue
Contributions $724,374
68.9%
Program Services $326,652
31.1%
Investment Income $8
0.0%
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 $66,050
6.5%
Professional Fundraising Fees $0
Other Salaries and Wages $488,277
48.3%
Assets/Debt
Total Assets $421,954
Total Liabilities $223,344
Net Assets $198,610
Compensation
Key Employees and Officers Compensation Related Other
Yiwei Wang (Executive Dir.) $65,000 $0 $0
Lynne Trulio (Director) $1,050 $0 $0
Jan Hintermeister (Board Chair) $0 $0 $0
Shannon Mc Mahon (Secretary) $0 $0 $0
Anne Hepburn (Treasurer) $0 $0 $0
Catherine Burns (Director) $0 $0 $0
Brian Fullfrost (Director) $0 $0 $0
Leah Russin (Director) $0 $0 $0
Thomas Stewart (Director) $0 $0 $0
Anna Zivian (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on May 2, 2017

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2015

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$739,700
Expenses
$752,352
Net Income
-$12,652
Net Assets
$158,609
Notable Sources of Revenue Percent of Total Revenue
Contributions $480,204
64.9%
Program Services $259,322
35.1%
Investment Income $6
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $168
0.0%
Notable Expenses Percent of Total Expenses
Executive Compensation $73,232
9.7%
Professional Fundraising Fees $0
Other Salaries and Wages $393,591
52.3%
Assets/Debt
Total Assets $242,576
Total Liabilities $83,967
Net Assets $158,609
Compensation
Key Employees and Officers Compensation Related Other
Stephanie Ellis (Interim E.D.) $37,884 $0 $0
Yiwei Wang (Executive Dir.) $21,174 $0 $0
Catherine Burns (Director/Frm Ed) $13,494 $0 $0
Brian Fullfrost (Co Chair) $0 $0 $0
Lynne Trulio (Co Chair) $0 $0 $0
Anne Hepburn (Treasurer) $0 $0 $0
Shannon Mc Mahon (Secretary) $0 $0 $0
Jan Hintermeister (Director) $0 $0 $0
Leah Russin (Director) $0 $0 $0
Thomas Stewart (Director) $0 $0 $0
Anna Zivian (Director) $0 $0 $0
+ View more people

Document Links

990
Filed on May 25, 2016

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

View Filing
PDF XML

Fiscal Year Ending Dec.
2014

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$611,577
Expenses
$590,649
Net Income
$20,928
Net Assets
$171,261
Notable Sources of Revenue Percent of Total Revenue
Contributions $442,728
72.4%
Program Services $168,842
27.6%
Investment Income $7
0.0%
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 $59,437
10.1%
Professional Fundraising Fees $0
Other Salaries and Wages $255,662
43.3%
Assets/Debt
Total Assets $201,018
Total Liabilities $29,757
Net Assets $171,261

Document Links

990

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

PDF

Fiscal Year Ending Dec.
2013

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$530,507
Expenses
$544,411
Net Income
-$13,904
Net Assets
$150,333
Notable Sources of Revenue Percent of Total Revenue
Contributions $376,037
70.9%
Program Services $152,144
28.7%
Investment Income $20
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $2,306
0.4%
Notable Expenses Percent of Total Expenses
Executive Compensation $86,656
15.9%
Professional Fundraising Fees $0
Other Salaries and Wages $260,605
47.9%
Assets/Debt
Total Assets $172,999
Total Liabilities $22,666
Net Assets $150,333

Document Links

990

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

PDF

Fiscal Year Ending Dec.
2012

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$511,869
Expenses
$522,193
Net Income
-$10,324
Net Assets
$164,237
Notable Sources of Revenue Percent of Total Revenue
Contributions $398,553
77.9%
Program Services $113,135
22.1%
Investment Income $38
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $143
0.0%
Notable Expenses Percent of Total Expenses
Executive Compensation $69,862
13.4%
Professional Fundraising Fees $0
Other Salaries and Wages $294,237
56.3%
Assets/Debt
Total Assets $189,639
Total Liabilities $25,402
Net Assets $164,237

Document Links

990

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

PDF

Fiscal Year Ending Dec.
2011

Extracted Financial Data

Extracted Financial Data from Form 990
Revenue
$544,220
Expenses
$577,205
Net Income
-$32,985
Net Assets
$174,561
Notable Sources of Revenue Percent of Total Revenue
Contributions $447,183
82.2%
Program Services $93,736
17.2%
Investment Income $134
0.0%
Bond Proceeds $0
Royalties $0
Rental Property Income $0
Net Fundraising $0
Sales of Assets -$23
Net Inventory Sales $0
Other Revenue $3,190
0.6%
Notable Expenses Percent of Total Expenses
Executive Compensation $65,172
11.3%
Professional Fundraising Fees $1,172
0.2%
Other Salaries and Wages $265,942
46.1%
Assets/Debt
Total Assets $284,778
Total Liabilities $110,217
Net Assets $174,561

Document Links

990

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

PDF

Fiscal Year Ending Dec.
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

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

PDF

Fiscal Year Ending Dec.
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
PDF (2 of 2)

Fiscal Year Ending Dec.
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-EZ

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

PDF

Fiscal Year Ending Dec.
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 Dec.
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 Dec.
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

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

PDF

Fiscal Year Ending Dec.
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

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

PDF

Fiscal Year Ending Dec.
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

Fiscal Year Ending Dec.
2002

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 Dec.
2001

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

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.

API

The data powering this website is available programmatically, via an API. Read the API documentation »

Byline

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

Updated