Civic Intelligence

Lake Minnetonka Historical Society

EIN 93-2065775 • 501(c)3 • Wayzata, MN

Profile

The Lake Minnetonka Historical Society tells the story of Lake Minnetonka by collecting, preserving and sharing its history.

PO Box 672Wayzata, MN 55391-0672

www.lakeminnetonkahistory.org

Siviq Scores

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

Liabilities / Assets

60th percentile

0.00x

Higher debt load relative to assets than 60% of similar nonprofits.

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

Liabilities / Revenue

63rd percentile

0.00x

Higher debt load relative to revenue than 63% of similar nonprofits.

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

Net Margin

12th percentile

-64%

Higher net margin than 12% of similar nonprofits.

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

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

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

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

Asset Growth

36th percentile

-14%

Faster asset growth than 36% of similar nonprofits.

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

Revenue Growth

10th percentile

-80%

Faster revenue growth than 10% of similar nonprofits.

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

Balance Sheet
Liabilities / Assets60th percentile

Assets

Down

$472,456

Down $76,473 (-14%) from 2024

Liabilities

Down

$47

Down $116 (-71%) from 2024

Net Assets

Down

$472,409

Down $76,357 (-14%) from 2024

Operations
Liabilities / Revenue63rd percentileNet Margin12th percentile

Revenue

Down

$119,066

Down $466,693 (-80%) from 2024

Expenses

Up

$195,573

Up $158,580 (+429%) from 2024

Net Income

Down

-$76,507

Down $625,273 (-114%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth36th percentile

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

$600K$400K$200K$0Assets 2024: $548,929Liabilities 2024: $163Net Assets 2024: $548,7662024Assets 2025: $472,456Liabilities 2025: $47Net Assets 2025: $472,4092025

Highlighted filing

2025

Assets$472,456
Liabilities$47
Net Assets$472,409
Open 2025 Filing

Operations Trend

Revenue Growth10th percentile

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

$600K$400K$200K$0-$200KRevenue 2024: $585,759Expenses 2024: $36,993Net Income 2024: $548,7662024Revenue 2025: $119,066Expenses 2025: $195,573Net Income 2025: -$76,5072025

Highlighted filing

2025

Revenue$119,066
Expenses$195,573
Net Income-$76,507
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$472,456
Liabilities
$47
Net assets
$472,409
Revenue
$119,066
Expenses
$195,573
Net income
-$76,507
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$4.72$0.00$4.72$1.19$1.96$0.77
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$5.49$0.00$5.49$5.86$0.37$5.49
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Apr 1, 2024 to Mar 31, 2025
Signed
Aug 7, 2025
Return Version
2024v5.0
Gross Receipts
$119,066
Mission and Program Overview

Mission

The Lake Minnetonka Historical Society tells the story of Lake Minnetonka by collecting, preserving and sharing its history.

Program Services

DescriptionGrantsExpenses
Program: MUSEUM/DISPLAYS LMHS operates museums in Lake Minnetonka's three population centers: Excelsior, Mound, and Wayzata. Staffed by volunteers docents, Excelsior and Wayzata museums are seasonal museums open in the summer; Mound is open year-round. These museums enable the public to interact directly with the history of Lake Minnetonka through accessing each museum's exhibits and displays. In addition to its museums, LHMS operates a Garden Railroad at the Wayzata museum and is currently working to return the Streetcar Boat MINNEHAHA(listed in the National Register of Historic Places) to active operation on the lake. Through these experiential activities, young and old can learn and experience life as it was in the late 1800s and early 1900s. Attendance at the museums varies by location and weather but ranges between 50-200 per weekend. MINNEHAHA ridership, when operational, averages 10,000 per season.$2,338$165,140
PROGRAM: PUBLIC.PROGRAMS Each.month, LMHS conducts presentations on topics related to different aspects of Lake Minnetonka's history. Open to the public, these programs provide a deeper dive into specific topics beyond what each museum's interpretive displays allow. Presentations rotate across the three population centers and are customized to each location to reflect each community's identity/history.. Presentations are provided free to the public, except during the summer months when they are conducted aboard a chartered excursion vessel. Demand for seating typically exceeds available room capacity,requiring encore dates to accommodate the demand. Aside from the.monthly presentations, LMHS conducts.a number of walking tours, cemetery tours, guided guides of the museums, and provides.speakers for community engagements.$13,137$6,839
Program: Merchandise LMHS offers a variety of merchandise for sale to the public. Merchandise items are available for purchase at each of LMHS' museums as well as online via the LMHS website. All merchandise for sale is directly related to our collection and mission of sharing the history of Lake Minnetonka - such as maps, puzzles, books, etc. Drawing on our collection, LMHS also publishes books on facets of Lake Minnetonka history, reprints of Lake Minnetonka maps/photos, as well as produces custom items featuring images of from the collection.$11,520$1,141
PROGRAM: .COLLECTIONS LMHS has.one of the largest archival and digital collection of Lake Minnetonka history. Prior to the October 2023 consolidation, each partner museum operated its own Archive. Upon the formation of LMHS, the archives of all the museums were consolidated into a central location- providing the public with a single location to research lake history, etc. Open year-round, Archive volunteers accession new artifacts into the collection, assist in research projects, etc.$0$1,649
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Lisa StevensPresidentFT$0--
Tom McCarthyTreasurerFT$0--
Liz VandamSecretaryFT$0--
Joanie HolstDirectorFT$0--
Jeff MagnusonDirectorFT$0--
Sharon ProvostDirectorFT$0--
Sue SorrentinoVice PresidentFT$0--
Filing and Contact Details

Filer

Filer Name
Lake Minnetonka Historical Society
EIN
93-2065775
Phone
9524742115
Address
PO Box 672, Wayzata, MN 55391-0672

Signing Officer

Name
Tom McCarthy
Title
Treasurer
Phone
9524742115
Signed
2025-08-07
Discuss with paid preparer
Yes

Preparer

Firm
Studio501 Inc
Address
210 Rustic Lodge W, Minneapolis, MN 55419
Preparer
Mary Cleary
Phone
6122293887
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 8

“Description;Amount^Collections Revenue;3000|Miscellaneous Revenue;214^Total;3214^”

Form 990-EZ, Part I, Line 16

“Description;Amount^Boat Expenses;126225|Program Expenses;8286|Office Expenses;2338|Dues and Subscriptions and Fees;4853|Advertising and Sales Expense;1459|Volunteer Recruitment;80^Total;143241^”

Form 990-EZ, Part I, Line 20

“change in 3/31/2024 Accounts receivable from a funder of $150”

Form 990-EZ, Part II, Line 24

“Description;EOY Amount^Accounts Receivable;20934|Inventory;1750^Total;22684^”

Form 990-EZ, Part II, Line 26

“Description;EOY Amount^Sales Tax Payable;47^Total;47^”

Raw XML Appendix232 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
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IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt5Director
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt6Vice President
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IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
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IRS990EZ/PrimaryExemptPurposeTxt0The Lake Minnetonka Historical Society tells the story of Lake Minnetonka by collecting, preserving and sharing its history.
IRS990EZ/PrintingPublicationsPostageAmt05867
IRS990EZ/ProgramServiceRevenueAmt020050
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0Program: MUSEUM/DISPLAYS LMHS operates museums in Lake Minnetonka's three population centers: Excelsior, Mound, and Wayzata. Staffed by volunteers docents, Excelsior and Wayzata museums are seasonal museums open in the summer; Mound is open year-round. These museums enable the public to interact directly with the history of Lake Minnetonka through accessing each museum's exhibits and displays. In addition to its museums, LHMS operates a Garden Railroad at the Wayzata museum and is currently working to return the Streetcar Boat MINNEHAHA(listed in the National Register of Historic Places) to active operation on the lake. Through these experiential activities, young and old can learn and experience life as it was in the late 1800s and early 1900s. Attendance at the museums varies by location and weather but ranges between 50-200 per weekend. MINNEHAHA ridership, when operational, averages 10,000 per season.
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt1PROGRAM: PUBLIC.PROGRAMS Each.month, LMHS conducts presentations on topics related to different aspects of Lake Minnetonka's history. Open to the public, these programs provide a deeper dive into specific topics beyond what each museum's interpretive displays allow. Presentations rotate across the three population centers and are customized to each location to reflect each community's identity/history.. Presentations are provided free to the public, except during the summer months when they are conducted aboard a chartered excursion vessel. Demand for seating typically exceeds available room capacity,requiring encore dates to accommodate the demand. Aside from the.monthly presentations, LMHS conducts.a number of walking tours, cemetery tours, guided guides of the museums, and provides.speakers for community engagements.
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt2PROGRAM: .COLLECTIONS LMHS has.one of the largest archival and digital collection of Lake Minnetonka history. Prior to the October 2023 consolidation, each partner museum operated its own Archive. Upon the formation of LMHS, the archives of all the museums were consolidated into a central location- providing the public with a single location to research lake history, etc. Open year-round, Archive volunteers accession new artifacts into the collection, assist in research projects, etc.
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt3Program: Merchandise LMHS offers a variety of merchandise for sale to the public. Merchandise items are available for purchase at each of LMHS' museums as well as online via the LMHS website. All merchandise for sale is directly related to our collection and mission of sharing the history of Lake Minnetonka - such as maps, puzzles, books, etc. Drawing on our collection, LMHS also publishes books on facets of Lake Minnetonka history, reprints of Lake Minnetonka maps/photos, as well as produces custom items featuring images of from the collection.
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt02338
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt113137
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt20
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt311520
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IRS990EZ/TaxReimbursedByOrganizationAmt00
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IRS990EZ/TransactionWithControlEntInd00
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IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0www.lakeminnetonkahistory.org
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt00
IRS990ScheduleA/First5Years509Ind0X
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0$3000 from deaccessioning an item from our collection which was not pertinent to our mission-all proceeds from deaccessioning are held for the exclusive benefit of our collections. $214 in miscellaneous revenue
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0Schedule A, Part III, Line 12
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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt00
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IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0172409
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
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IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^Collections Revenue;3000|Miscellaneous Revenue;214^Total;3214^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;Amount^Boat Expenses;126225|Program Expenses;8286|Office Expenses;2338|Dues and Subscriptions and Fees;4853|Advertising and Sales Expense;1459|Volunteer Recruitment;80^Total;143241^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2change in 3/31/2024 Accounts receivable from a funder of $150
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3Description;EOY Amount^Accounts Receivable;20934|Inventory;1750^Total;22684^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4Description;EOY Amount^Sales Tax Payable;47^Total;47^
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 8
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990-EZ, Part I, Line 20
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990-EZ, Part II, Line 24
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4Form 990-EZ, Part II, Line 26
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0Tom McCarthy
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum09524742115
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-08-07
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0LAKE MINNETONKA HISTORICAL SOCIETY
ReturnHeader/Filer/BusinessNameControlTxt0LAKE
ReturnHeader/Filer/EIN0932065775
ReturnHeader/Filer/PhoneNum09524742115
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO Box 672
ReturnHeader/Filer/USAddress/CityNm0Wayzata
ReturnHeader/Filer/USAddress/StateAbbreviationCd0MN
ReturnHeader/Filer/USAddress/ZIPCd0553910672
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0861872153
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0Studio501 Inc
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0210 Rustic Lodge W
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0Minneapolis
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0MN
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd055419
ReturnHeader/PreparerPersonGrp/PhoneNum06122293887
ReturnHeader/PreparerPersonGrp/PreparationDt02025-08-07
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0Mary Cleary
ReturnHeader/ReturnTs02025-08-07T12:15:59-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-04-01
ReturnHeader/TaxPeriodEndDt02025-03-31
ReturnHeader/TaxYr02024

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