Civic Intelligence

Montgomery Sycamore Island Club

EIN 52-0419565 • 501(c)7 • Washington, DC

Profile

Educational and recreational benefits to members

PO Box 16Washington, DC 20044

www.sycamoreisland.clubexpress.com

Siviq Scores

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

Liabilities / Assets

58th percentile

0.00x

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

501(c)7 • <$500k nonprofits • Source year 2025

Liabilities / Revenue

59th percentile

0.00x

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

501(c)7 • <$500k nonprofits • Source year 2025

Net Margin

69th percentile

11%

Higher net margin than 69% of similar nonprofits.

501(c)7 • <$500k nonprofits • Source year 2025

Top Officer Pay

100th percentile

$55,400

Higher top officer pay than 100% of similar nonprofits.

Top officer pay equals 45.8% of source-year revenue.

501(c)7 • <$500k nonprofits • Source year 2025

Asset Growth

59th percentile

4.0%

Faster asset growth than 59% of similar nonprofits.

501(c)7 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

61st percentile

6.7%

Faster revenue growth than 61% of similar nonprofits.

501(c)7 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets58th percentile

Assets

Up

$356,643

Up $13,557 (+4.0%) from 2024

Liabilities

Flat

$0

Flat from 2024

Net Assets

Up

$356,643

Up $13,557 (+4.0%) from 2024

Operations
Liabilities / Revenue59th percentileNet Margin69th percentile

Revenue

Up

$120,911

Up $7,594 (+6.7%) from 2024

Expenses

Up

$107,354

Up $9,664 (+9.9%) from 2024

Net Income

Down

$13,557

Down $2,070 (-13%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth59th percentile

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

$400K$300K$200K$100K$0Assets 2011: $281,030Liabilities 2011: $55,2622011Assets 2012: $294,514Liabilities 2012: $49,8752012Assets 2013: $301,951Liabilities 2013: $44,1122013Assets 2014: $299,232Liabilities 2014: $37,9452014Assets 2015: $293,114Liabilities 2015: $26,3472015Assets 2016: $278,618Liabilities 2016: $13,9372016Assets 2017: $278,440Liabilities 2017: $02017Assets 2018: $293,664Liabilities 2018: $02018Assets 2019: $378,877Liabilities 2019: $02019Assets 2020: $376,314Liabilities 2020: $02020Assets 2021: $334,092Liabilities 2021: $0Net Assets 2021: $334,0922021Assets 2022: $331,677Liabilities 2022: $4,107Net Assets 2022: $327,5702022Assets 2023: $333,580Liabilities 2023: $6,121Net Assets 2023: $327,4592023Assets 2024: $343,086Liabilities 2024: $0Net Assets 2024: $343,0862024Assets 2025: $356,643Liabilities 2025: $0Net Assets 2025: $356,6432025

Highlighted filing

2025

Assets$356,643
Liabilities$0
Net Assets$356,643
Open 2025 Filing

Operations Trend

Revenue Growth61st percentile

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

$150K$100K$50K$0-$50KRevenue 2011: $88,415Expenses 2011: $86,805Net Income 2011: $1,6102011Revenue 2012: $105,596Expenses 2012: $92,111Net Income 2012: $13,4852012Revenue 2013: $96,253Expenses 2013: $88,815Net Income 2013: $7,4382013Revenue 2014: $103,085Expenses 2014: $105,829Net Income 2014: -$2,7442014Revenue 2015: $105,960Expenses 2015: $112,078Net Income 2015: -$6,1182015Revenue 2016: $114,943Expenses 2016: $123,501Net Income 2016: -$8,5582016Revenue 2017: $110,077Expenses 2017: $96,319Net Income 2017: $13,7582017Revenue 2018: $113,879Expenses 2018: $98,755Net Income 2018: $15,1242018Revenue 2019: $105,214Expenses 2019: $107,073Net Income 2019: -$1,8592019Revenue 2020: $102,471Expenses 2020: $105,034Net Income 2020: -$2,5632020Revenue 2021: $91,237Expenses 2021: $133,459Net Income 2021: -$42,2222021Revenue 2022: $113,723Expenses 2022: $120,244Net Income 2022: -$6,5212022Revenue 2023: $108,359Expenses 2023: $108,470Net Income 2023: -$1112023Revenue 2024: $113,317Expenses 2024: $97,690Net Income 2024: $15,6272024Revenue 2025: $120,911Expenses 2025: $107,354Net Income 2025: $13,5572025

Highlighted filing

2025

Revenue$120,911
Expenses$107,354
Net Income$13,557
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$356,643
Liabilities
$0
Net assets
$356,643
Revenue
$120,911
Expenses
$107,354
Net income
$13,557
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$3.57$0.00$3.57$1.21$1.07$0.14
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.43$0.00$3.43$1.13$0.98$0.16
2023XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.34$0.06$3.27$1.08$1.08$0.00
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.32$0.04$3.28$1.14$1.20$0.07
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$3.34$0.00$3.34$0.91$1.33$0.42
2020Summary only. Only limited summary data is available for this year.$3.76$0.00$1.02$1.05$0.03
2019Summary only. Only limited summary data is available for this year.$3.79$0.00$1.05$1.07$0.02
2018Summary only. Only limited summary data is available for this year.$2.94$0.00$1.14$0.99$0.15
2017Summary only. Only limited summary data is available for this year.$2.78$0.00$1.10$0.96$0.14
2016Summary only. Only limited summary data is available for this year.$2.79$0.14$1.15$1.24$0.09
2015Summary only. Only limited summary data is available for this year.$2.93$0.26$1.06$1.12$0.06
2014Summary only. Only limited summary data is available for this year.$2.99$0.38$1.03$1.06$0.03
2013Summary only. Only limited summary data is available for this year.$3.02$0.44$0.96$0.89$0.07
2012Summary only. Only limited summary data is available for this year.$2.95$0.50$1.06$0.92$0.13
2011Summary only. Only limited summary data is available for this year.$2.81$0.55$0.88$0.87$0.02
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Mar 16, 2026
Return Version
2025v4.0
Gross Receipts
$120,911
Mission and Program Overview

Mission

Educational and recreational benefits to members

Program Services

DescriptionGrantsExpenses
Montgomery Sycamore Island Club ("MSIC") owns two islands in the Potomac River: Sycamore Island and Ruperts Island. MSIC has approximately 330 member families. Activities available to Members: CANOEING: Flat-water canoeing and kayaking can be enjoyed in the quiet water on the Potomac River around the islands. The Club maintains a canoe-shed to store member-owned canoes, kayaks,and paddleboards. The Club also owns several canoes and kayaks which are stored separately that can be used by members and their guests. SWIMMING: The swimming dock and float are located at the upstream end of Sycamore Island on the Virginia side. FISHING: Catfish and carp are plentiful near the islands. Smallmouth bass, walleye, tiger-muskies and bluegills can be found in the swift water a short distance upstream. GAMES: There is volleyball and croquet equipment for outdoors, a swing and zip line, and a pool table and a ping-pong table in the clubhouse. EVENTS: Organized annual club activities include a Fishing Derby, the Sycamore Island Regatta, a Family Campout and the Spring and Fall Workfests. The club also annually co-hosts the Potomac River Downriver Race each spring with the Canoe Cruisers Association. PICNICS: Grills are available for barbecuing and picnic tables are located all over Sycamore Island for the use and convenience of members and their guests. Camping is allowed with advanced notice.--
Compensation and Service Providers
Top Officer Pay100th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Doug DupinCaretakerFT$55,000$400$55,400
Vicki JudsonPresidentPT$0--
Meredith GriggsVice PresidentPT$0--
Susan ElfstromVice PresidentPT$0--
Tove ElstromCaptainPT$0--
Ian AltendorferTreasurerPT$0--
Sherry FizdaleFinancial SecretaryPT$0--
John NobleSupervisor Of FinancePT$0--
Filing and Contact Details

Filer

Filer Name
Montgomery Sycamore Island Club
EIN
52-0419565
Phone
3012294921
Address
PO Box 16, Washington, DC 20044

Signing Officer

Name
Ian Altendorfer
Title
Treasurer
Phone
2017902003
Signed
2026-03-16
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 8

“Description;Amount^Rental Income;396^Total;396^”

Form 990-EZ, Part I, Line 16

“Description;Amount^Entertainment;1397|Membership Processing and Website;4391|Miscellaneous;352|Bank Charges;240|Payroll Processing Fees;2020^Total;8400^”

Raw XML Appendix142 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/BenefitsPaidToOrForMembersAmt00
IRS990EZ/BooksInCareOfDetail/PersonNm0Ian Altendorfer
IRS990EZ/BooksInCareOfDetail/PhoneNum02017902003
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt0PO Box 16
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0Washington
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0DC
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd020044
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt0132176
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt0145733
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd00
IRS990EZ/ContributionsGiftsGrantsEtcAmt00
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd00
IRS990EZ/ExcessOrDeficitForYearAmt013557
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt00
IRS990EZ/ForeignFinancialAccountInd00
IRS990EZ/ForeignOfficeInd00
IRS990EZ/Form1120PolFiledInd00
IRS990EZ/Form990TotalAssetsGrp/BOYAmt0343086
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IRS990EZ/GrossProfitLossSlsOfInvntryAmt00
IRS990EZ/GrossReceiptsAmt0120911
IRS990EZ/GrossReceiptsForPublicUseAmt00
IRS990EZ/GrossSalesOfInventoryAmt00
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InitiationFeesAndCapContriAmt01425
IRS990EZ/InvestmentIncomeAmt01533
IRS990EZ/LandAndBuildingsGrp/BOYAmt0210910
IRS990EZ/LandAndBuildingsGrp/EOYAmt0210910
IRS990EZ/MadeLoansToFromOfficersInd00
IRS990EZ/MembershipDuesAmt0118982
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt0343086
IRS990EZ/NetAssetsOrFundBalancesEOYAmt0356643
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt0343086
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt0356643
IRS990EZ/OccupancyRentUtltsAndMaintAmt031436
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt015.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt110
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt210
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt35
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt410
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt55
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt65
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt740
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
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IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt60
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt755000
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt5400
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Vicki Judson
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Meredith Griggs
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2Susan Elfstrom
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3Tove Elstrom
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm4Ian Altendorfer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm5Sherry Fizdale
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm6John Noble
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm7Doug Dupin
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Vice President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Vice President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Captain
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt4Treasurer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt5Financial Secretary
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt6Supervisor of Finance
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt7Caretaker
IRS990EZ/OperateHospitalInd00
IRS990EZ/Organization501cInd0X
IRS990EZ/OrganizationDissolvedEtcInd00
IRS990EZ/OrganizationHadUBIInd00
IRS990EZ/OtherAssetsTotalDetail/BOYAmt00
IRS990EZ/OtherAssetsTotalDetail/EOYAmt00
IRS990EZ/OtherChangesInNetAssetsAmt00
IRS990EZ/OtherExpensesTotalAmt08400
IRS990EZ/OtherRevenueTotalAmt0396
IRS990EZ/PoliticalCampaignActyInd00
IRS990EZ/PrimaryExemptPurposeTxt0Educational and recreational benefits to members
IRS990EZ/PrintingPublicationsPostageAmt00
IRS990EZ/ProgramServiceRevenueAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0Montgomery Sycamore Island Club ("MSIC") owns two islands in the Potomac River: Sycamore Island and Ruperts Island. MSIC has approximately 330 member families. Activities available to Members: CANOEING: Flat-water canoeing and kayaking can be enjoyed in the quiet water on the Potomac River around the islands. The Club maintains a canoe-shed to store member-owned canoes, kayaks,and paddleboards. The Club also owns several canoes and kayaks which are stored separately that can be used by members and their guests. SWIMMING: The swimming dock and float are located at the upstream end of Sycamore Island on the Virginia side. FISHING: Catfish and carp are plentiful near the islands. Smallmouth bass, walleye, tiger-muskies and bluegills can be found in the swift water a short distance upstream. GAMES: There is volleyball and croquet equipment for outdoors, a swing and zip line, and a pool table and a ping-pong table in the clubhouse. EVENTS: Organized annual club activities include a Fishing Derby, the Sycamore Island Regatta, a Family Campout and the Spring and Fall Workfests. The club also annually co-hosts the Potomac River Downriver Race each spring with the Canoe Cruisers Association. PICNICS: Grills are available for barbecuing and picnic tables are located all over Sycamore Island for the use and convenience of members and their guests. Camping is allowed with advanced notice.
IRS990EZ/ProhibitedTaxShelterTransInd00
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IRS990EZ/SaleOfAssetsGrossAmt00
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IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0MD
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IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt00
IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt00
IRS990EZ/TanningServicesProvidedInd00
IRS990EZ/TotalExpensesAmt0107354
IRS990EZ/TotalProgramServiceExpensesAmt00
IRS990EZ/TotalRevenueAmt0120911
IRS990EZ/TransactionWithControlEntInd00
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0www.sycamoreisland.clubexpress.com
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^Rental Income;396^Total;396^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;Amount^Entertainment;1397|Membership Processing and Website;4391|Miscellaneous;352|Bank Charges;240|Payroll Processing Fees;2020^Total;8400^
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 8
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part I, Line 16
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Ian Altendorfer
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum02017902003
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-03-16
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0MONTGOMERY SYCAMORE ISLAND CLUB
ReturnHeader/Filer/BusinessNameControlTxt0MONT
ReturnHeader/Filer/EIN0520419565
ReturnHeader/Filer/PhoneNum03012294921
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO Box 16
ReturnHeader/Filer/USAddress/CityNm0Washington
ReturnHeader/Filer/USAddress/StateAbbreviationCd0DC
ReturnHeader/Filer/USAddress/ZIPCd020044
ReturnHeader/ReturnTs02026-03-16T21:28:53-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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