Civic Intelligence

Norwalk Historical Society Inc

EIN 06-1302694 • 501(c)3 • Norwalk, CT

Profile

To maintain the research, preservation and promotion of Norwalk history.

PO Box 1640Norwalk, CT 06852

n/A

Siviq Scores

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

Liabilities / Assets

33rd percentile

0.00x

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

501(c)3 • $500k-$1M nonprofits • Source year 2024

Liabilities / Revenue

35th percentile

0.00x

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

501(c)3 • $500k-$1M nonprofits • Source year 2024

Net Margin

18th percentile

-17%

Higher net margin than 18% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Top Officer Pay

67th percentile

$48,000

Higher top officer pay than 67% of similar nonprofits.

Top officer pay equals 30.8% of source-year revenue.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Asset Growth

30th percentile

-4.4%

Faster asset growth than 30% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Revenue Growth

3rd percentile

-74%

Faster revenue growth than 3% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets33rd percentile

Assets

Down

$530,374

Down $24,237 (-4.4%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Down

$530,374

Down $24,237 (-4.4%) from 2023

Operations
Liabilities / Revenue35th percentileNet Margin18th percentile

Revenue

Down

$156,068

Down $439,822 (-74%) from 2023

Expenses

Up

$182,075

Up $14,081 (+8.4%) from 2023

Net Income

Down

-$26,007

Down $453,903 (-106%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth30th percentile

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

$600K$400K$200K$0Assets 2010: $64,446Net Assets 2010: $64,4462010Assets 2011: $47,015Net Assets 2011: $47,0152011Assets 2012: $43,018Net Assets 2012: $43,0182012Assets 2013: $52,209Liabilities 2013: $0Net Assets 2013: $52,2092013Assets 2014: $83,296Liabilities 2014: $0Net Assets 2014: $83,2962014Assets 2015: $43,492Liabilities 2015: $0Net Assets 2015: $43,4922015Assets 2016: $0Liabilities 2016: $0Net Assets 2016: $43,4922016Assets 2017: $54,626Liabilities 2017: $0Net Assets 2017: $54,6262017Assets 2018: $97,527Liabilities 2018: $0Net Assets 2018: $97,5272018Assets 2019: $77,632Liabilities 2019: $0Net Assets 2019: $77,6322019Assets 2020: $129,475Liabilities 2020: $0Net Assets 2020: $129,4752020Assets 2021: $104,792Liabilities 2021: $0Net Assets 2021: $104,7922021Assets 2022: $126,715Liabilities 2022: $0Net Assets 2022: $126,7152022Assets 2023: $554,611Liabilities 2023: $0Net Assets 2023: $554,6112023Assets 2024: $530,374Liabilities 2024: $0Net Assets 2024: $530,3742024

Highlighted filing

2024

Assets$530,374
Liabilities$0
Net Assets$530,374
Open 2024 Filing

Operations Trend

Revenue Growth3rd percentile

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

$600K$400K$200K$0-$200KRevenue 2010: $55,674Expenses 2010: $62,867Net Income 2010: -$7,1932010Revenue 2011: $76,294Expenses 2011: $93,725Net Income 2011: -$17,4312011Revenue 2012: $58,859Expenses 2012: $62,856Net Income 2012: -$3,9972012Revenue 2013: $58,284Expenses 2013: $49,093Net Income 2013: $9,1912013Revenue 2014: $117,583Expenses 2014: $86,496Net Income 2014: $31,0872014Revenue 2015: $129,877Expenses 2015: $169,681Net Income 2015: -$39,8042015Revenue 2016: $0Expenses 2016: $0Net Income 2016: $02016Revenue 2017: $115,755Expenses 2017: $115,869Net Income 2017: -$1142017Revenue 2018: $144,740Expenses 2018: $101,839Net Income 2018: $42,9012018Revenue 2019: $118,000Expenses 2019: $137,895Net Income 2019: -$19,8952019Revenue 2020: $135,780Expenses 2020: $83,937Net Income 2020: $51,8432020Revenue 2021: $125,083Expenses 2021: $149,766Net Income 2021: -$24,6832021Revenue 2022: $147,460Expenses 2022: $122,110Net Income 2022: $25,3502022Revenue 2023: $595,890Expenses 2023: $167,994Net Income 2023: $427,8962023Revenue 2024: $156,068Expenses 2024: $182,075Net Income 2024: -$26,0072024

Highlighted filing

2024

Revenue$156,068
Expenses$182,075
Net Income-$26,007
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$530,374
Liabilities
$0
Net assets
$530,374
Revenue
$156,068
Expenses
$182,075
Net income
-$26,007
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.30$0.00$5.30$1.56$1.82$0.26
2023Detailed filing. Detailed filing data is available for this year.$5.55$0.00$5.55$5.96$1.68$4.28
2022Detailed filing. Detailed filing data is available for this year.$1.27$0.00$1.27$1.47$1.22$0.25
2021Detailed filing. Detailed filing data is available for this year.$1.05$0.00$1.05$1.25$1.50$0.25
2020Detailed filing. Detailed filing data is available for this year.$1.29$0.00$1.29$1.36$0.84$0.52
2019XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.78$0.00$0.78$1.18$1.38$0.20
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.98$0.00$0.98$1.45$1.02$0.43
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.55$0.00$0.55$1.16$1.16$0.00
2016Detailed filing. Detailed filing data is available for this year.$0.00$0.00$0.43$0.00$0.00$0.00
2015XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$0.43$0.00$0.43$1.30$1.70$0.40
2014Import issue. A filing source exists for this year, but detailed import did not complete cleanly.$0.83$0.00$0.83$1.18$0.86$0.31
2013Import issue. A filing source exists for this year, but detailed import did not complete cleanly.$0.52$0.00$0.52$0.58$0.49$0.09
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.43$0.43$0.59$0.63$0.04
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.47$0.47$0.76$0.94$0.17
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.64$0.64$0.56$0.63$0.07
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Jun 4, 2025
Return Version
2024v5.1
Gross Receipts
$160,570
Mission and Program Overview

Mission

To maintain the research, preservation and promotion of Norwalk history.

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$339,317$354,490▲ $15,173
Cash and Non-Interest-Bearing Accounts$186,090$144,910▼ $41,180
Investments in Publicly Traded Securities$28,248$30,018▲ $1,770
Total Assets$554,611$530,374▼ $24,237
Other Assets Total$956$956→ $0
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$554,611$530,374▼ $24,237
Total Net Assets Fund Balance$554,611$530,374▼ $24,237
Total Liabilities and Net Assets / Fund Balance$554,611$530,374▼ $24,237
Compensation and Service Providers
Top Officer Pay67th percentile

Employees

NameTitleFull / Part TimeBaseTotal
Diane JelleretteExecutive DirectorFT$48,000$48,000

Board Members and Trustees

NameTitle
Jane BroomePresident
Eric ChandlerVice President
Bette BonoMember
Catherine ChandlerMember
Evelyn AmanMember
Jo-anne SchultzMember
David WestmorelandSecretary
Thomas SchierlohTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$134,184
Program Service Revenue
$6,707
Investment Income
$15,174
Other Revenue
$3
All Other Contributions
$1,235
Change in Net Assets
$-26,007
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$128,103
Other Expenses$53,972
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Current Officers, Directors, Trustees, and Key Employees-$119,000-$119,000
Office Expenses-$11,413-$11,413
Occupancy-$9,697-$9,697
Payroll Taxes-$9,103-$9,103
Other Expenses$4,903$7,500-$4,903
Insurance-$4,452-$4,452
All Other Expenses-$1,866-$1,866
Advertising-$1,294-$1,294
Total Functional Expenses$17,750$164,325$0$182,075
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Gross Income$4,505
Fundraising Direct Expenses$4,502
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section B, Line 11B

“The treasurer and executive director review form 990 and it is then made available to the board before filing.”

Form 990, Part VI, Section C, Line 19

“The organization makes its governing documents and conflict of interest policy and financial statements available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Norwalk Historical Society Inc
EIN
06-1302694
Phone
2038460525
Address
PO BOX 1640, NORWALK, CT 06852

Signing Officer

Name
Thomas Schierloh
Title
Treasurer
Phone
2038460525
Signed
2025-06-04
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Thomas Schierloh
Formed
1899
Legal Domicile
Ct
Voting Board Members
3
Independent Board Members
3
Employees
3
Volunteers
0

Preparer

Firm
The Innovative CPA Group LLC
Address
1 ENTERPRISE DRIVE SUITE 210, SHELTON, CT 06484
Preparer
Scott Mitchell
Phone
2034890612
Raw XML Appendix380 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
IRS990/AccountantCompileOrReviewInd00
IRS990/ActivitiesConductedPrtshpInd00
IRS990/ActivityOrMissionDesc0TO MAINTAIN THE RESEARCH, PRESERVATION AND PROMOTION OF NORWALK HISTORY.
IRS990/AdvertisingGrp/ManagementAndGeneralAmt01294
IRS990/AdvertisingGrp/TotalAmt01294
IRS990/AllOtherContributionsAmt01235
IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt01866
IRS990/AllOtherExpensesGrp/TotalAmt01866
IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt0DIANE JELLERETTE
IRS990/BooksInCareOfDetail/PhoneNum02038460525
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt0PO BOX 1640
IRS990/BooksInCareOfDetail/USAddress/CityNm0NORWALK
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CT
IRS990/BooksInCareOfDetail/USAddress/ZIPCd006852
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IRS990/BusinessRlnWithFamMemInd00
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IRS990/ChangeToOrgDocumentsInd00
IRS990/CntrctRcvdGreaterThan100KCnt00
IRS990/CollectionsOfArtInd01
IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt0119000
IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt0119000
IRS990/CompensationFromOtherSrcsInd00
IRS990/CompensationProcessCEOInd00
IRS990/CompensationProcessOtherInd00
IRS990/ConflictOfInterestPolicyInd00
IRS990/ConservationEasementsInd00
IRS990/ConsolidatedAuditFinclStmtInd00
IRS990/CreditCounselingInd00
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt0134184
IRS990/CYGrantsAndSimilarPaidAmt00
IRS990/CYInvestmentIncomeAmt015174
IRS990/CYOtherExpensesAmt053972
IRS990/CYOtherRevenueAmt03
IRS990/CYProgramServiceRevenueAmt06707
IRS990/CYRevenuesLessExpensesAmt0-26007
IRS990/CYSalariesCompEmpBnftPaidAmt0128103
IRS990/CYTotalExpensesAmt0182075
IRS990/CYTotalFundraisingExpenseAmt00
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt0156068
IRS990/DecisionsSubjectToApprovaInd00
IRS990/DeductibleArtContributionInd00
IRS990/DeductibleNonCashContriInd00
IRS990/DelegationOfMgmtDutiesInd00
IRS990/Desc0THE NORWALK HISTORICAL SOCIETY MUSEUM PROGRAM HAS 9 SELF GUIDED TOUR EXHIBITS, ALLOWING VISITORS TO LEARN THE HISTORY OF NORWALK.
IRS990/DescribedInSection501c3Ind01
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IRS990/DonorAdvisedFundInd00
IRS990/DonorRstrOrQuasiEndowmentsInd00
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IRS990/ExpenseAmt016300
IRS990/FamilyOrBusinessRlnInd00
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IRS990/ForeignActivitiesInd00
IRS990/ForeignFinancialAccountInd00
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IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt00
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt10
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt20
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt80
IRS990/Form990PartVIISectionAGrp/PersonNm0JANE BROOME
IRS990/Form990PartVIISectionAGrp/PersonNm1ERIC CHANDLER
IRS990/Form990PartVIISectionAGrp/PersonNm2THOMAS SCHIERLOH
IRS990/Form990PartVIISectionAGrp/PersonNm3DAVID WESTMORELAND
IRS990/Form990PartVIISectionAGrp/PersonNm4DIANE JELLERETTE
IRS990/Form990PartVIISectionAGrp/PersonNm5JO-ANNE SCHULTZ
IRS990/Form990PartVIISectionAGrp/PersonNm6EVELYN AMAN
IRS990/Form990PartVIISectionAGrp/PersonNm7CATHERINE CHANDLER
IRS990/Form990PartVIISectionAGrp/PersonNm8BETTE BONO
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt10
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt80
IRS990/Form990PartVIISectionAGrp/TitleTxt0PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt1VICE PRESIDENT
IRS990/Form990PartVIISectionAGrp/TitleTxt2TREASURER
IRS990/Form990PartVIISectionAGrp/TitleTxt3SECRETARY
IRS990/Form990PartVIISectionAGrp/TitleTxt4EXECUTIVE DIR.
IRS990/Form990PartVIISectionAGrp/TitleTxt5MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt6MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt7MEMBER
IRS990/Form990PartVIISectionAGrp/TitleTxt8MEMBER
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IRS990/FSAuditedInd00
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IRS990/FundraisingGrossIncomeAmt04505
IRS990/GamingActivitiesInd00
IRS990/GoverningBodyVotingMembersCnt03
IRS990/GovernmentGrantsAmt0132949
IRS990/GrantsToIndividualsInd00
IRS990/GrantsToOrganizationsInd00
IRS990/GrantToRelatedPersonInd00
IRS990/GrossReceiptsAmt0160570
IRS990/GroupReturnForAffiliatesInd00
IRS990/IncludeFIN48FootnoteInd00
IRS990/IndependentAuditFinclStmtInd00
IRS990/IndependentVotingMemberCnt03
IRS990/IndivRcvdGreaterThan100KCnt00
IRS990/IndoorTanningServicesInd00
IRS990/InfoInScheduleOPartVIInd0X
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IRS990/InvestmentInJointVentureInd00
IRS990/InvestmentsPubTradedSecGrp/BOYAmt028248
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IRS990/IRPDocumentCnt00
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IRS990/LoanOutstandingInd00
IRS990/LobbyingActivitiesInd00
IRS990/LocalChaptersInd00
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IRS990/MembersOrStockholdersInd00
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IRS990/MinutesOfCommitteesInd01
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IRS990/MoreThan5000KToIndividualsInd00
IRS990/MoreThan5000KToOrgInd00
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IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt03
IRS990/NetUnrelatedBusTxblIncmAmt00
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IRS990/NondeductibleContributionsInd00
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IRS990/OperateHospitalInd00
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IRS990/OtherExpensesGrp/Desc2EXHIBIT EXPENSE
IRS990/OtherExpensesGrp/Desc3MUSEUM GRANT SPENDING
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IRS990/OtherExpensesGrp/ProgramServicesAmt16191
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IRS990/PoliticalCampaignActyInd00
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IRS990/ProfessionalFundraisingInd00
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IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt06707
IRS990/ProgSrvcAccomActy2Grp/Desc0THE BUILDING PLAQUE PROGRAM RETAINS THE HISTORIC CHARACTER OF NORWALK AND GIVES RECOGNITION TO EARLY BUILDINGS.
IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt01150
IRS990/ProgSrvcAccomActy3Grp/Desc0THE LITTLE RED SCHOOLHOUSE PROGRAM EDUCATES SCHOOL CHILDREN ABOUT THE EARLY HISTORY OF NORWALK
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IRS990/RelatedEntityInd00
IRS990/RelatedOrganizationCtrlEntInd00
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IRS990/ReportOtherLiabilitiesInd00
IRS990/ReportProgramRelatedInvstInd00
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IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt00
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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt0134258
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt0109232
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt0136147
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0THE TREASURER AND EXECUTIVE DIRECTOR REVIEW FORM 990 AND IT IS THEN MADE AVAILABLE TO THE BOARD BEFORE FILING.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PART VI, SECTION B, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990, PART VI, SECTION C, LINE 19
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IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
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ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0THOMAS SCHIERLOH
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TREASURER
ReturnHeader/BusinessOfficerGrp/PhoneNum02038460525
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-06-04
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0NORWALK HISTORICAL SOCIETY INC
ReturnHeader/Filer/BusinessNameControlTxt0NORW
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ReturnHeader/Filer/PhoneNum02038460525
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ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0814236823
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0THE INNOVATIVE CPA GROUP LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt01 ENTERPRISE DRIVE SUITE 210
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0SHELTON
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CT
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd006484
ReturnHeader/PreparerPersonGrp/PhoneNum02034890612
ReturnHeader/PreparerPersonGrp/PreparationDt02025-06-04
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0SCOTT MITCHELL
ReturnHeader/ReturnTs02025-07-02T13:17:37-05:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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