Civic Intelligence

Jk Irwin Foundation

990PF • Fiscal year 2024 • EIN 56-2678107

Jan 01, 2024 to Dec 31, 2024 • Filed on Nov 17, 2025

Organization Profile
2500 Steiner Street Apt 8San Francisco, CA 94115

(415) 533-4987

Siviq Scores

Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.

Liabilities / Assets

61st percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

2024 filings • <$500k nonprofits • Source year 2024

Liabilities / Revenue

62nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

2024 filings • <$500k nonprofits • Source year 2024

Net Margin

9th percentile

-81%

Higher net margin than 9% of similar nonprofits.

2024 filings • <$500k nonprofits • Source year 2024

Top Officer Pay

79th percentile

$0

Higher top officer pay than 79% of similar nonprofits.

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

2024 filings • <$500k nonprofits • Source year 2024

Asset Growth

39th percentile

-4.3%

Faster asset growth than 39% of similar nonprofits.

2024 filings • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

63rd percentile

14%

Faster revenue growth than 63% of similar nonprofits.

2024 filings • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets61st percentile

Assets

Down

$448,636

Down $20,336 (-4.3%) from 2023

Net Assets

Down

$448,636

Down $20,336 (-4.3%) from 2023

Liabilities

Flat

$0

Flat from 2023

Revenue And Expenses
Liabilities / Revenue62nd percentileNet Margin9th percentile

Revenue

Up

$39,947

Up $4,915 (+14%) from 2023

Expenses

Down

$72,127

Down $71,438 (-50%) from 2023

Net Income

Up

-$32,180

Up $76,353 (+70%) from 2023

Historical Trend

Balance Sheet Trend

Asset Growth39th percentile

The highlighted filing sits inside the broader history for assets, liabilities, and net assets.

$2.0M$1.5M$1.0M$500K$0Assets 2010: $1,562,730Liabilities 2010: $0Net Assets 2010: $1,562,7302010Assets 2011: $1,263,574Liabilities 2011: $4,012Net Assets 2011: $1,259,5622011Assets 2012: $1,569,547Liabilities 2012: $3,500Net Assets 2012: $1,566,0472012Assets 2013: $1,417,202Liabilities 2013: $3,500Net Assets 2013: $1,413,7022013Assets 2019: $878,763Liabilities 2019: $02019Assets 2020: $813,318Liabilities 2020: $0Net Assets 2020: $813,3182020Assets 2021: $772,139Liabilities 2021: $0Net Assets 2021: $772,1392021Assets 2022: $552,749Liabilities 2022: $0Net Assets 2022: $552,7492022Assets 2023: $468,972Liabilities 2023: $0Net Assets 2023: $468,9722023Assets 2024: $448,636Liabilities 2024: $0Net Assets 2024: $448,6362024

Highlighted filing

2024

Assets$448,636
Liabilities$0
Net Assets$448,636
Open 2024 Filing

Operations Trend

Revenue Growth63rd percentile

Revenue, expenses, and net income across loaded years, with this filing highlighted.

$1.0M$500K$0-$500KRevenue 2010: $58,047Expenses 2010: $393,856Net Income 2010: -$335,8092010Revenue 2011: $37,391Expenses 2011: $340,560Net Income 2011: -$303,1692011Revenue 2012: $587,410Expenses 2012: $280,925Net Income 2012: $306,4852012Revenue 2013: $95,510Expenses 2013: $247,855Net Income 2013: -$152,3452013Revenue 2019: $46,641Expenses 2019: $174,755Net Income 2019: -$128,1142019Revenue 2020: $42,698Expenses 2020: $139,845Net Income 2020: -$97,1472020Revenue 2021: $66,235Expenses 2021: $153,684Net Income 2021: -$87,4492021Revenue 2022: $22,195Expenses 2022: $126,118Net Income 2022: -$103,9232022Revenue 2023: $35,032Expenses 2023: $143,565Net Income 2023: -$108,5332023Revenue 2024: $39,947Expenses 2024: $72,127Net Income 2024: -$32,1802024

Highlighted filing

2024

Revenue$39,947
Expenses$72,127
Net Income-$32,180
Open 2024 Filing
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 17, 2025
Return Version
2024v5.2
Compensation and Service Providers
Top Officer Pay79th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
MARSHA ROSENBAUMPresidentPT$0--
ANNE IRWINVice President-$0--
DRUMMOND PIKETreasurer-$0--
SUZANNE GOLLINSecretary-$0--
Filing and Contact Details

Filer

Filer Name
Jk Irwin Foundation
EIN
56-2678107
Phone
4155334987
Address
2500 STEINER STREET APT 8, SAN FRANCISCO, CA 94115

Signing Officer

Name
Marsha Rosenbaum
Title
President
Signed
2025-11-17
Discuss with paid preparer
Yes

Preparer

Firm
Mah & Associates Llp
Address
601 MONTGOMERY ST 800, SAN FRANCISCO, CA 94111
Preparer
Brian R Mah
Phone
4159811111
Raw XML Appendix340 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.

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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm0MARSHA ROSENBAUM
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm1ANNE IRWIN
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm2DRUMMOND PIKE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm3SUZANNE GOLLIN
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt0President
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt1Vice President
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt2Treasurer
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt3SECRETARY
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt2312 MONTFORD AVE
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt31688 CERRO GORDO RD
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm2MILL VALLEY
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IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt0MARSHA ROSENBAUM
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt63000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt0FINANCIAL SUPPORT FOR UNCOMMON LAW
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt1FINANCIAL SUPPORT FOR SAN FRANCISCO STATE UNIVERSITY FOUNDATION.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt2TO BROADEN THE PUBLIC DEBATE ON DRU
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt3We ensure Bay Area youth have equitable access to the ocean, and through surf instruction.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt4The UC Berkeley Foundation supports and advances the University of California at Berkeley to assure its place as a preeminent global institution by encouraging private philanthropy, providing leadership and serving as an advisory council and steady source of assistance to Berkeleys Chancellor and to the campus as a whole.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt5alvanizes the advocacy of business leaders, entrepreneurs, philanthropists, and other prominent individuals who unite to champion a healthy climate and environment, strengthen our democracy, and ensure economic and social justice for all.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt6Headlands Center for the Arts provides an unparalleled environment for the creative process and the development of new work and ideas.
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt0PC
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt31633 Valencia Street
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt41995 UNIVERSITY AVENUE SUITE 401
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt5PO BOX 66654
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt6944 SIMMONDS RD
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IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt091856
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt0107284
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt096709
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt0125564
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt0125564
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt0456089
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IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt0114613
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt091856
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt0107284
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt096709
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt069305
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IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt00
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OtherAssetsSchedule/OtherAssetsScheduleGrp/Desc0JK IRWIN FUND WITH TIDES
OtherAssetsSchedule/OtherAssetsScheduleGrp/EOYBookValueAmt0700
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OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc1LICENSE FEE
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OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt112
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt211250
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OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt113
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt01224
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt125
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt211250
OtherIncreasesSchedule/OtherIncreasesDetail/Amt026
OtherIncreasesSchedule/OtherIncreasesDetail/Amt111818
OtherIncreasesSchedule/OtherIncreasesDetail/Desc0NON-DIVIDEND DISTRIBUTIONS
OtherIncreasesSchedule/OtherIncreasesDetail/Desc1UNREALIZED GAIN ADJUSTMENT
TaxesSchedule/TaxesDetail/Amt0265
TaxesSchedule/TaxesDetail/CategoryTxt0FOREIGN TAX CREDIT
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt0265
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0MARSHA ROSENBAUM
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-17
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0JK IRWIN FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0JKIR
ReturnHeader/Filer/EIN0562678107
ReturnHeader/Filer/PhoneNum04155334987
ReturnHeader/Filer/USAddress/AddressLine1Txt02500 STEINER STREET APT 8
ReturnHeader/Filer/USAddress/CityNm0SAN FRANCISCO
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
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ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0943342694
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0MAH & ASSOCIATES LLP
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0601 MONTGOMERY ST 800
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0SAN FRANCISCO
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd094111
ReturnHeader/PreparerPersonGrp/PhoneNum04159811111
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0BRIAN R MAH
ReturnHeader/ReturnTs02025-11-17T10:06:26-08:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

Document Assets

No mirrored PDF or thumbnail assets are attached yet.

Filings

Displayed year

2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$448,636
Liabilities
$0
Net assets
$448,636
Revenue
$39,947
Expenses
$72,127
Net income
-$32,180
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$0.45$0.00$0.45$0.04$0.07$0.03
2023Detailed filing. Detailed filing data is available for this year.$0.47$0.00$0.47$0.04$0.14$0.11
2022Detailed filing. Detailed filing data is available for this year.$0.55$0.00$0.55$0.02$0.13$0.10
2021Detailed filing. Detailed filing data is available for this year.$0.77$0.00$0.77$0.07$0.15$0.09
2020Detailed filing. Detailed filing data is available for this year.$0.81$0.00$0.81$0.04$0.14$0.10
2019Summary only. Only limited summary data is available for this year.$0.88$0.00$0.05$0.17$0.13
2013Summary only. Only limited summary data is available for this year.$1.42$0.00$1.41$0.10$0.25$0.15
2012Summary only. Only limited summary data is available for this year.$1.57$0.00$1.57$0.59$0.28$0.31
2011Summary only. Only limited summary data is available for this year.$1.26$0.00$1.26$0.04$0.34$0.30
2010Summary only. Only limited summary data is available for this year.$1.56$0.00$1.56$0.06$0.39$0.34