Civic Intelligence

Mammoth Lakes Rotary Club

EIN 20-0131934 • 501(c)8 • Mammoth Lakes, CA

Profile

Provide financial and other assistance to individuals and organizations in the Mammoth Lakes area.

PO Box 100 PMB 338Mammoth Lakes, CA 93545

n/A

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

43rd percentile

-2.2%

Higher net margin than 43% of similar nonprofits.

501(c)8 • <$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)8 • <$500k nonprofits • Source year 2025

Asset Growth

29th percentile

-7.0%

Faster asset growth than 29% of similar nonprofits.

501(c)8 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

94th percentile

80%

Faster revenue growth than 94% of similar nonprofits.

501(c)8 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Down

$4,785

Down $361 (-7.0%) from 2024

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

Down

$4,785

Down $361 (-7.0%) from 2024

Operations
Liabilities / RevenueScore unavailableNet Margin43rd percentile

Revenue

Up

$16,611

Up $7,373 (+80%) from 2024

Expenses

Up

$16,972

Up $11,596 (+216%) from 2024

Net Income

Down

-$361

Down $4,223 (-109%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth29th percentile

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

$30K$20K$10K$0Assets 2014: $26,324Liabilities 2014: $2,959Net Assets 2014: $23,3652014Assets 2015: $26,114Liabilities 2015: $3,025Net Assets 2015: $23,0892015Assets 2016: $13,667Liabilities 2016: $3,630Net Assets 2016: $10,0372016Assets 2017: $19,345Liabilities 2017: $3,582Net Assets 2017: $15,7632017Assets 2018: $11,844Liabilities 2018: $3,230Net Assets 2018: $8,6142018Assets 2019: $7,762Liabilities 2019: $2,210Net Assets 2019: $5,5522019Assets 2020: $10,227Net Assets 2020: $10,2272020Assets 2021: $12,316Net Assets 2021: $12,3162021Assets 2022: $4,443Net Assets 2022: $4,4432022Assets 2023: $1,284Net Assets 2023: $1,2842023Assets 2024: $5,146Net Assets 2024: $5,1462024Assets 2025: $4,785Net Assets 2025: $4,7852025

Highlighted filing

2025

Assets$4,785
Liabilities-
Net Assets$4,785
Open 2025 Filing

Operations Trend

Revenue Growth94th percentile

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

$60K$40K$20K$0-$20KRevenue 2014: $47,437Expenses 2014: $47,251Net Income 2014: $1862014Revenue 2015: $41,984Expenses 2015: $32,260Net Income 2015: $9,7242015Revenue 2016: $37,732Expenses 2016: $50,784Net Income 2016: -$13,0522016Revenue 2017: $37,019Expenses 2017: $31,293Net Income 2017: $5,7262017Revenue 2018: $35,842Expenses 2018: $42,991Net Income 2018: -$7,1492018Revenue 2019: $20,374Expenses 2019: $23,436Net Income 2019: -$3,0622019Revenue 2020: $13,617Expenses 2020: $8,942Net Income 2020: $4,6752020Revenue 2021: $6,895Expenses 2021: $4,806Net Income 2021: $2,0892021Revenue 2022: $4,839Expenses 2022: $12,712Net Income 2022: -$7,8732022Revenue 2023: $3,019Expenses 2023: $6,178Net Income 2023: -$3,1592023Revenue 2024: $9,238Expenses 2024: $5,376Net Income 2024: $3,8622024Revenue 2025: $16,611Expenses 2025: $16,972Net Income 2025: -$3612025

Highlighted filing

2025

Revenue$16,611
Expenses$16,972
Net Income-$361
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$4,785
Liabilities
-
Net assets
$4,785
Revenue
$16,611
Expenses
$16,972
Net income
-$361
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$4.79$4.79$16.6$17.0$0.36
2024Detailed filing. Detailed filing data is available for this year.$5.15$5.15$9.24$5.38$3.86
2023Detailed filing. Detailed filing data is available for this year.$1.28$1.28$3.02$6.18$3.16
2022Detailed filing. Detailed filing data is available for this year.$4.44$4.44$4.84$12.7$7.87
2021Detailed filing. Detailed filing data is available for this year.$12.3$12.3$6.90$4.81$2.09
2020Detailed filing. Detailed filing data is available for this year.$10.2$10.2$13.6$8.94$4.68
2019Detailed filing. Detailed filing data is available for this year.$7.76$2.21$5.55$20.4$23.4$3.06
2018Detailed filing. Detailed filing data is available for this year.$11.8$3.23$8.61$35.8$43.0$7.15
2017Detailed filing. Detailed filing data is available for this year.$19.3$3.58$15.8$37.0$31.3$5.73
2016Detailed filing. Detailed filing data is available for this year.$13.7$3.63$10.0$37.7$50.8$13.1
2015Detailed filing. Detailed filing data is available for this year.$26.1$3.03$23.1$42.0$32.3$9.72
2014Detailed filing. Detailed filing data is available for this year.$26.3$2.96$23.4$47.4$47.3$0.19
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Sep 16, 2025
Return Version
2024v5.2
Gross Receipts
$16,611
Mission and Program Overview

Mission

Provide financial and other assistance to individuals and organizations in the Mammoth Lakes area.

Program Services

DescriptionGrantsExpenses
International, Community & Youth Services & Projects-$3,000
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Penny ArmentaPresident-$0--
Gary SillTreasurer-$0--
Filing and Contact Details

Filer

Filer Name
Mammoth Lakes Rotary Club
EIN
20-0131934
Address
PO Box 100 PMB 338, Mammoth Lakes, CA 93545

Signing Officer

Name
Peggy Armenta
Title
President
Signed
2025-09-16
Discuss with paid preparer
Yes

Preparer

Firm
Amy Graham CPA
Address
PO BOX 8821, MAMMOTH LAKES, CA 93546
Preparer
Amy Graham
Phone
7609371506
Supplemental Narrative

Additional Explanations

Other Expenses.1001

“Advertising and Promotion $250”

Other Expenses.1

“Dues to district $4330”

Other Expenses.2

“Scholarships $3000”

Other Expenses.3

“Dues paid to Rotary $2734”

Other Expenses.4

“holiday party $2315”

Other Expenses.5

“Community special evetns $1440”

Other Expenses.6

“Bank fees $578”

Other Expenses.7

“Membership dues Club Runner $492”

Other Expenses.8

“Permits/taxes $277”

Other Expenses.10

“Awards & Plaques $100”

Other Expenses.11

“PO Box renewal $62”

Raw XML Appendix114 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/BooksInCareOfDetail/PersonNm0Gary Sill
IRS990EZ/BooksInCareOfDetail/PhoneNum06614783803
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt0PO Box 1361
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0Mammoth Lakes
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CA
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd093546
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt05146
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt04785
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd0false
IRS990EZ/ContributionsGiftsGrantsEtcAmt016611
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DonorAdvisedFndsInd0false
IRS990EZ/ExcessOrDeficitForYearAmt0-361
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt01175
IRS990EZ/ForeignFinancialAccountInd0false
IRS990EZ/ForeignOfficeInd0false
IRS990EZ/Form1120PolFiledInd0false
IRS990EZ/Form990TotalAssetsGrp/BOYAmt05146
IRS990EZ/Form990TotalAssetsGrp/EOYAmt04785
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GrossReceiptsAmt016611
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/MadeLoansToFromOfficersInd0false
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt05146
IRS990EZ/NetAssetsOrFundBalancesEOYAmt04785
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt05146
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt04785
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Penny Armenta
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Gary Sill
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Treasurer
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501cInd0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/OtherExpensesTotalAmt015578
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0Provide financial and other assistance to individuals and organizations in the Mammoth Lakes area.
IRS990EZ/PrintingPublicationsPostageAmt0219
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0International, Community & Youth Services & Projects
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt03000
IRS990EZ/ProhibitedTaxShelterTransInd0false
IRS990EZ/RelatedOrganizationCtrlEntInd0false
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TaxImposedOnOrganizationMgrAmt00
IRS990EZ/TaxImposedUnderIRC4911Amt00
IRS990EZ/TaxImposedUnderIRC4912Amt00
IRS990EZ/TaxImposedUnderIRC4955Amt00
IRS990EZ/TaxReimbursedByOrganizationAmt00
IRS990EZ/TotalExpensesAmt016972
IRS990EZ/TotalProgramServiceExpensesAmt03000
IRS990EZ/TotalRevenueAmt016611
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/WebsiteAddressTxt0N/A
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Advertising and Promotion $250
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Dues to district $4330
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Scholarships $3000
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3Dues paid to Rotary $2734
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4holiday party $2315
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5Community special evetns $1440
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6Bank fees $578
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7Membership dues Club Runner $492
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt8Permits/taxes $277
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt9Awards & Plaques $100
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt10PO Box renewal $62
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Other Expenses.1001
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Other Expenses.1
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Other Expenses.2
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Other Expenses.3
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4Other Expenses.4
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5Other Expenses.5
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6Other Expenses.6
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7Other Expenses.7
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc8Other Expenses.8
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc9Other Expenses.10
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc10Other Expenses.11
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0Peggy Armenta
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-09-16
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0Mammoth Lakes Rotary Club
ReturnHeader/Filer/BusinessNameControlTxt0MAMM
ReturnHeader/Filer/EIN0200131934
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO Box 100 PMB 338
ReturnHeader/Filer/USAddress/CityNm0Mammoth Lakes
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd093545
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0Amy Graham CPA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0PO BOX 8821
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0MAMMOTH LAKES
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd093546
ReturnHeader/PreparerPersonGrp/PhoneNum07609371506
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0Amy Graham
ReturnHeader/PreparerPersonGrp/SelfEmployedInd0X
ReturnHeader/ReturnTs02025-09-16T07:42:42-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

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