ProPublica

Nonprofit Explorer

Research Tax-Exempt Organizations

CALIFORNIA ACADEMY OF SCIENCES

55 MUSIC CONCOURSE DR, SAN FRANCISCO, CA 94118-4503 | Tax-exempt since April 1926
  • EIN: 94-1156258
  • Classification (NTEE)
    Natural History, Natural Science Museums (Arts, Culture and Humanities)
  • Nonprofit Tax Code Designation: 501(c)(3)
    Defined as: 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.
  • More Resources: ArrowGuideStar
  • Get notifications: Sign up for updates about our data.

Tax Filings and Audits by Year

The IRS Form 990 is an annual information return that most organizations claiming federal tax-exempt status must file yearly. Read the IRS instructions for 990 forms.

If this organization has filed an amended return, it may not be reflected in the data below. Duplicated download links may be due to resubmissions or amendments to an organization's original return.

If you would like to download Form 990 document PDFs in bulk, the Internet Archive operates a mirror of the original bulk data.

Nonprofit organizations that spend $750,000 or more in Federal grant money in a fiscal year are required to submit an audit covering their finances and compliance. Some of these are program specific, while others, called “single audits,” look at the entire organization. Nonprofit Explorer has PDFs of these audits for some nonprofits for fiscal year 2016 and later. They’re provided by the Federal Audit Clearinghouse.

Fiscal year ending

June 2018

Fiscal year ending June

2018

PDF

990
990-T

Full Text

990 (filed on May 31, 2019)

Full Filing

Raw XML

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2017

Fiscal year ending June

2017

PDF

990
990-T
Audit

Full Text

990 (filed on May 30, 2018)

Full Filing

Raw XML

990

Total Revenue

$76,308,977

Total Functional Expenses $87,733,463
Net income -$11,424,486
Notable sources of revenue Percent of total revenue
Contributions $39,795,679 52.2%
Program services $25,600,814 33.5%
Investment income $8,374,127 11.0%
Bond proceeds $0
Royalties $140,476 0.2%
Rental property income $0
Net fundraising -$471,041
Sales of assets $1,798,350 2.4%
Net inventory sales $1,419 0.0%
Other revenue $1,069,153 1.4%
Notable expenses Percent of total expenses
Executive compensation $4,301,551 4.9%
Professional fundraising fees $0
Other salaries and wages $30,778,588 35.1%
Other
Total Assets $817,491,395
Total Liabilities $300,861,017
Net Assets $516,630,378
Fiscal year ending

June 2016

Fiscal year ending June

2016

Full Text

990 (filed on Oct. 2, 2017)

Full Filing

Raw XML

990

Total Revenue

$83,007,965

Total Functional Expenses $83,924,664
Net income -$916,699
Notable sources of revenue Percent of total revenue
Contributions $46,321,748 55.8%
Program services $24,207,653 29.2%
Investment income $7,571,307 9.1%
Bond proceeds $0
Royalties $82,128 0.1%
Rental property income $0
Net fundraising -$477,648
Sales of assets $4,225,718 5.1%
Net inventory sales $2,593 0.0%
Other revenue $1,074,466 1.3%
Notable expenses Percent of total expenses
Executive compensation $3,768,710 4.5%
Professional fundraising fees $0
Other salaries and wages $30,652,009 36.5%
Other
Total Assets $844,166,045
Total Liabilities $336,166,017
Net Assets $508,000,028
Fiscal year ending

June 2015

Fiscal year ending June

2015

PDF

990
990-T

Full Text

990 (filed on July 25, 2016)

Full Filing

Raw XML

990

Total Revenue

$95,539,995

Total Functional Expenses $89,292,851
Net income $6,247,144
Notable sources of revenue Percent of total revenue
Contributions $28,493,004 29.8%
Program services $22,951,046 24.0%
Investment income $8,456,583 8.9%
Bond proceeds $0
Royalties $122,378 0.1%
Rental property income $0
Net fundraising -$575,031
Sales of assets $35,166,561 36.8%
Net inventory sales $2,239 0.0%
Other revenue $923,215 1.0%
Notable expenses Percent of total expenses
Executive compensation $2,740,431 3.1%
Professional fundraising fees $0
Other salaries and wages $33,818,236 37.9%
Other
Total Assets $832,918,117
Total Liabilities $308,259,261
Net Assets $524,658,856
Fiscal year ending

June 2014

Fiscal year ending June

2014

PDF

990
990-T

Full Text

990 (filed on July 6, 2015)

Full Filing

Raw XML

990

Total Revenue

$67,477,825

Total Functional Expenses $84,823,694
Net income -$17,345,869
Notable sources of revenue Percent of total revenue
Contributions $34,860,423 51.7%
Program services $20,264,890 30.0%
Investment income $9,808,255 14.5%
Bond proceeds $0
Royalties $138,798 0.2%
Rental property income $0
Net fundraising -$507,924
Sales of assets $2,083,690 3.1%
Net inventory sales $3,009 0.0%
Other revenue $826,684 1.2%
Notable expenses Percent of total expenses
Executive compensation $2,209,584 2.6%
Professional fundraising fees $88,292 0.1%
Other salaries and wages $31,104,009 36.7%
Other
Total Assets $854,823,393
Total Liabilities $294,491,765
Net Assets $560,331,628
Fiscal year ending

June 2013

Fiscal year ending June

2013

PDF

990
990-T

Raw XML

990

Total Revenue

$91,703,732

Total Functional Expenses $82,619,970
Net income $9,083,762
Notable sources of revenue Percent of total revenue
Contributions $56,304,679 61.4%
Program services $22,244,259 24.3%
Investment income $9,651,135 10.5%
Bond proceeds $0
Royalties $193,405 0.2%
Rental property income $0
Net fundraising -$546,087
Sales of assets $3,023,225 3.3%
Net inventory sales $952 0.0%
Other revenue $832,164 0.9%
Notable expenses Percent of total expenses
Executive compensation $1,917,794 2.3%
Professional fundraising fees $104,029 0.1%
Other salaries and wages $29,368,848 35.5%
Other
Total Assets $851,009,466
Total Liabilities $293,225,630
Net Assets $557,783,836
Fiscal year ending

June 2012

Fiscal year ending June

2012

PDF

990
990-T

Raw XML

990

Total Revenue

$65,982,876

Total Functional Expenses $83,630,444
Net income -$17,647,568
Notable sources of revenue Percent of total revenue
Contributions $30,146,797 45.7%
Program services $21,914,479 33.2%
Investment income $9,568,023 14.5%
Bond proceeds $0
Royalties $53,991 0.1%
Rental property income $0
Net fundraising -$464,109
Sales of assets $3,982,853 6.0%
Net inventory sales -$1,255
Other revenue $782,097 1.2%
Notable expenses Percent of total expenses
Executive compensation $2,252,223 2.7%
Professional fundraising fees $24,280 0.0%
Other salaries and wages $28,148,140 33.7%
Other
Total Assets $830,687,480
Total Liabilities $291,709,258
Net Assets $538,978,222
Fiscal year ending

June 2011

Fiscal year ending June

2011

PDF

990
990-T

Raw XML

990

Total Revenue

$77,495,407

Total Functional Expenses $78,320,764
Net income -$825,357
Notable sources of revenue Percent of total revenue
Contributions $42,199,247 54.5%
Program services $23,253,711 30.0%
Investment income $7,608,047 9.8%
Bond proceeds $0
Royalties $16,651 0.0%
Rental property income $0
Net fundraising -$631,945
Sales of assets $4,298,623 5.5%
Net inventory sales -$5,577
Other revenue $756,650 1.0%
Notable expenses Percent of total expenses
Executive compensation $2,183,138 2.8%
Professional fundraising fees $36,681 0.0%
Other salaries and wages $26,616,238 34.0%
Other
Total Assets $862,666,306
Total Liabilities $291,470,062
Net Assets $571,196,244
Fiscal year ending

June 2010

Fiscal year ending June

2010

PDF

990
990-T

Raw XML

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2009

Fiscal year ending June

2009

PDF

990
990-T

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2008

Fiscal year ending June

2008

PDF

990
990-T

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2007

Fiscal year ending June

2007

PDF

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2006

Fiscal year ending June

2006

PDF

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2005

Fiscal year ending June

2005

PDF

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2003

Fiscal year ending June

2003

PDF

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

Fiscal year ending

June 2002

Fiscal year ending June

2002

PDF

990

Form 990 documents available

Extracted filing data is not available for this tax period, but Form 990 documents are available for download.

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 2012-2018 calendar years; this generally consists of filings for the 2011-2017 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 »

How to Research Tax-Exempt Organizations

We've created a guide for investigating nonprofits for those just getting started as well as for seasoned pros.

API

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

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 requested and processed by Public.Resource.Org and ProPublica. We post bulk downloads of these documents at the Internet Archive.
  • 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.
  • 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 2016 and later.