Civic Intelligence

California Study Inc

EIN 94-2860620 • 501(c)3 • Tiburon, CA

990-N Coverage

Profile

Educational programs

664 Hilary DrTiburon, CA 94920-1446

thecaliforniastudy.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

Score unavailable

No value available

Liabilities-to-assets requires both liabilities and assets on the latest valid filing.

Source year 2025

Liabilities / Revenue

Score unavailable

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2025

Net Margin

4th percentile

-394%

Higher net margin than 4% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Top Officer Pay

84th percentile

$0

Higher top officer pay than 84% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

16th percentile

-58%

Faster asset growth than 16% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

11th percentile

-70%

Faster revenue growth than 11% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Down

$97,847

Down $133,511 (-58%) from 2024

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

Down

$97,847

Down $133,511 (-58%) from 2024

Operations
Liabilities / RevenueScore unavailableNet Margin4th percentile

Revenue

Down

$33,881

Down $78,790 (-70%) from 2024

Expenses

Up

$167,392

Up $99,043 (+145%) from 2024

Net Income

Down

-$133,511

Down $177,833 (-401%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth16th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$300K$200K$100K$0Assets 2012: $51,208Liabilities 2012: $16,8712012Assets 2013: $41,483Liabilities 2013: $19,7522013Assets 2014: $22,138Liabilities 2014: $02014Assets 2015: $23,724Liabilities 2015: $02015Assets 2016: $33,456Liabilities 2016: $02016Assets 2023: $187,036Liabilities 2023: $0Net Assets 2023: $187,0362023Assets 2024: $231,358Net Assets 2024: $231,3582024Assets 2025: $97,847Net Assets 2025: $97,8472025

Highlighted filing

2025

Assets$97,847
Liabilities-
Net Assets$97,847
Open 2025 Filing

Operations Trend

Revenue Growth11th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$300K$200K$100K$0-$100K-$200KRevenue 2012: $70,788Expenses 2012: $76,822Net Income 2012: -$6,0342012Revenue 2013: $41,020Expenses 2013: $53,626Net Income 2013: -$12,6062013Revenue 2014: $41,610Expenses 2014: $41,203Net Income 2014: $4072014Revenue 2015: $57,966Expenses 2015: $56,379Net Income 2015: $1,5872015Revenue 2016: $30,778Expenses 2016: $21,046Net Income 2016: $9,7322016Revenue 2023: $221,563Expenses 2023: $69,815Net Income 2023: $151,7482023Revenue 2024: $112,671Expenses 2024: $68,349Net Income 2024: $44,3222024Revenue 2025: $33,881Expenses 2025: $167,392Net Income 2025: -$133,5112025

Highlighted filing

2025

Revenue$33,881
Expenses$167,392
Net Income-$133,511
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$97,847
Liabilities
-
Net assets
$97,847
Revenue
$33,881
Expenses
$167,392
Net income
-$133,511
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$0.98$0.98$0.34$1.67$1.34
2024Detailed filing. Detailed filing data is available for this year.$2.31$2.31$1.13$0.68$0.44
2023Detailed filing. Detailed filing data is available for this year.$1.87$0.00$1.87$2.22$0.70$1.52
2016Summary only. Only limited summary data is available for this year.$0.33$0.00$0.31$0.21$0.10
2015Summary only. Only limited summary data is available for this year.$0.24$0.00$0.58$0.56$0.02
2014Summary only. Only limited summary data is available for this year.$0.22$0.00$0.42$0.41$0.00
2013Summary only. Only limited summary data is available for this year.$0.41$0.20$0.41$0.54$0.13
2012Summary only. Only limited summary data is available for this year.$0.51$0.17$0.71$0.77$0.06
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jun 1, 2024 to May 31, 2025
Signed
Sep 8, 2025
Return Version
2024v5.1
Gross Receipts
$33,881
Mission and Program Overview

Mission

Educational programs

Education Charity

Program Services

DescriptionGrantsExpenses
Book Exchange: Transferred the operations and assets of the Book Exchange project to a 501c3 corporation created for that purpose named Book Exchange of Marin. Transferee corporation carries on the project: distributing lightly-used and new books to children in under-resourced areas Marin County and elsewhere.$150,535$150,535
Energy Education Group: Produces written and on-line material to educate the public about renewable energy. The corporation updated its Website entitled "Energy for Keeps," accessible in all states and most countries; and began a new edition of its book by the same name.$0$16,857
Compensation and Service Providers
Top Officer Pay84th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Marilyn Levin NemzerPresident And DirectorPT$0--
Kenneth Press NemzerSecretary-Treasurer And Director-$0--
Anne GigounasDirector-$0--
Laura SardisDirector-$0--
Joan LisatorDirector-$0--
Filing and Contact Details

Filer

Filer Name
California Study Inc
EIN
94-2860620
In Care Of
% Marilyn Nemzer
Address
664 HILARY DR, TIBURON, CA 94920-1446

Signing Officer

Name
Kenneth Nemzer
Title
Secretary Treasurer
Signed
2025-09-08
Supplemental Narrative

Additional Explanations

Part I, line 10

“| Grants And Similar Amounts Paid:, Amount:| Grant to Book Exchange of Marin a 501c3 corporation formed for the purpose of acquiring and operating one of the projects theretofore operated by California Study Inc., $150535|”

Part I, line 16

“| Other Expenses:, Amount:| Supplies, $1006| Operations, $15851|”

Part I, line 20

“| Explanation:, Amount:| No other changes., $0|”

Raw XML Appendix257 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
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IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President and Director
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IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Director
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Director
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IRS990EZ/PrintingPublicationsPostageAmt00
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IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt1Energy Education Group: Produces written and on-line material to educate the public about renewable energy. The corporation updated its Website entitled "Energy for Keeps," accessible in all states and most countries; and began a new edition of its book by the same name.
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IRS990EZ/ProhibitedTaxShelterTransInd0false
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IRS990EZ/TotalExpensesAmt0167392
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IRS990EZ/TransactionWithControlEntInd0false
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IRS990EZ/TypeOfOrganizationCorpInd0X
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IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt00
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IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
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IRS990ScheduleN/AssetsDistributedInd0true
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IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/DistributionDt02024-07-01
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/EIN0991467364
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IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/MethodOfFMVDeterminationTxt0Cash or cash equivalents transferred.
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/PersonNm0Book Exchange of Marin
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/USAddress/AddressLine1Txt0PO Box 6417
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/USAddress/CityNm0San Rafael
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/USAddress/StateAbbreviationCd0CA
IRS990ScheduleN/LiquidationOfAssetsTableGrp/LiquidationOfAssetsDetail/USAddress/ZIPCd094903
IRS990ScheduleN/OwnerOfSuccessorInd0false
IRS990ScheduleN/ReceiveCompensationInd0false
IRS990ScheduleN/RequiredToNotifyAGInd0false
IRS990ScheduleN/SupplementalInformationDetail/ExplanationTxt0| PartandLinenumber:,Explanation:| Part1Line2,Marilyn L. Nemzer founder and CEO of California Study Inc. is on the Board of Directors of the transferee corporation. Directors of the transferee corporation are iunpaid as are its officers and staff.|
IRS990ScheduleN/SupplementalInformationDetail/FormAndLineReferenceDesc0Part I
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0| Grants And Similar Amounts Paid:, Amount:| Grant to Book Exchange of Marin a 501c3 corporation formed for the purpose of acquiring and operating one of the projects theretofore operated by California Study Inc., $150535|
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1| Other Expenses:, Amount:| Supplies, $1006| Operations, $15851|
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2| Explanation:, Amount:| No other changes., $0|
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Part I, line 10
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Part I, line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Part I, line 20
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Kenneth Nemzer
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Secretary Treasurer
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-09-08
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0CALIFORNIA STUDY INC
ReturnHeader/Filer/BusinessNameControlTxt0CALI
ReturnHeader/Filer/EIN0942860620
ReturnHeader/Filer/ForeignPhoneNum04153083408
ReturnHeader/Filer/InCareOfNm0% Marilyn Nemzer
ReturnHeader/Filer/USAddress/AddressLine1Txt0664 HILARY DR
ReturnHeader/Filer/USAddress/CityNm0TIBURON
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd0949201446
ReturnHeader/ReturnTs02025-09-05T15:43:37-04:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-06-01
ReturnHeader/TaxPeriodEndDt02025-05-31
ReturnHeader/TaxYr02024

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