Civic Intelligence

Great Lakes Mastiff Rescue Inc

EIN 80-0123750 • 501(c)3 • Chicago, IL

Profile

ANIMAL RESCUE

PO Box 47256Chicago, IL 60647
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 2024

Liabilities / Revenue

Score unavailable

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2024

Net Margin

12th percentile

-68%

Higher net margin than 12% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

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 2024

Asset Growth

28th percentile

-27%

Faster asset growth than 28% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Revenue Growth

90th percentile

88%

Faster revenue growth than 90% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Down

$30,661

Down $11,322 (-27%) from 2023

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

Down

$30,661

Down $11,322 (-27%) from 2023

Operations
Liabilities / RevenueScore unavailableNet Margin12th percentile

Revenue

Up

$16,669

Up $7,789 (+88%) from 2023

Expenses

Up

$27,991

Up $9,222 (+49%) from 2023

Net Income

Down

-$11,322

Down $1,433 (-14%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth28th percentile

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

$80K$60K$40K$20K$0Assets 2011: $56,471Net Assets 2011: $56,4712011Assets 2012: $73,193Liabilities 2012: $02012Assets 2013: $46,914Liabilities 2013: $02013Assets 2014: $58,691Liabilities 2014: $02014Assets 2015: $63,881Liabilities 2015: $02015Assets 2016: $77,077Liabilities 2016: $02016Assets 2017: $78,762Liabilities 2017: $02017Assets 2018: $59,549Liabilities 2018: $02018Assets 2019: $41,702Liabilities 2019: $02019Assets 2021: $49,884Net Assets 2021: $49,8842021Assets 2022: $51,872Liabilities 2022: $02022Assets 2023: $41,983Net Assets 2023: $41,9832023Assets 2024: $30,661Net Assets 2024: $30,6612024

Highlighted filing

2024

Assets$30,661
Liabilities-
Net Assets$30,661
Open 2024 Filing

Operations Trend

Revenue Growth90th percentile

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

$100K$50K$0-$50KRevenue 2011: $81,801Expenses 2011: $60,887Net Income 2011: $20,9142011Revenue 2012: $66,726Expenses 2012: $50,004Net Income 2012: $16,7222012Revenue 2013: $41,128Expenses 2013: $67,407Net Income 2013: -$26,2792013Revenue 2014: $70,727Expenses 2014: $58,950Net Income 2014: $11,7772014Revenue 2015: $59,511Expenses 2015: $54,321Net Income 2015: $5,1902015Revenue 2016: $63,610Expenses 2016: $50,414Net Income 2016: $13,1962016Revenue 2017: $44,142Expenses 2017: $42,457Net Income 2017: $1,6852017Revenue 2018: $30,313Expenses 2018: $49,526Net Income 2018: -$19,2132018Revenue 2019: $19,497Expenses 2019: $37,344Net Income 2019: -$17,8472019Revenue 2021: $20,925Expenses 2021: $14,203Net Income 2021: $6,7222021Revenue 2022: $11,629Expenses 2022: $9,641Net Income 2022: $1,9882022Revenue 2023: $8,880Expenses 2023: $18,769Net Income 2023: -$9,8892023Revenue 2024: $16,669Expenses 2024: $27,991Net Income 2024: -$11,3222024

Highlighted filing

2024

Revenue$16,669
Expenses$27,991
Net Income-$11,322
Open 2024 Filing

Filings

Most recent year

2024 • Form 990EZXML pending. An XML filing is linked for this year, but detailed extraction is still pending.

Open filing
Assets
$30,661
Liabilities
-
Net assets
$30,661
Revenue
$16,669
Expenses
$27,991
Net income
-$11,322
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$30.7$30.7$16.7$28.0$11.3
2023Detailed filing. Detailed filing data is available for this year.$42.0$42.0$8.88$18.8$9.89
2022Summary only. Only limited summary data is available for this year.$51.9$0.00$11.6$9.64$1.99
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$49.9$49.9$20.9$14.2$6.72
2019Summary only. Only limited summary data is available for this year.$41.7$0.00$19.5$37.3$17.8
2018Summary only. Only limited summary data is available for this year.$59.5$0.00$30.3$49.5$19.2
2017Summary only. Only limited summary data is available for this year.$78.8$0.00$44.1$42.5$1.69
2016Summary only. Only limited summary data is available for this year.$77.1$0.00$63.6$50.4$13.2
2015Summary only. Only limited summary data is available for this year.$63.9$0.00$59.5$54.3$5.19
2014Summary only. Only limited summary data is available for this year.$58.7$0.00$70.7$59.0$11.8
2013Summary only. Only limited summary data is available for this year.$46.9$0.00$41.1$67.4$26.3
2012Summary only. Only limited summary data is available for this year.$73.2$0.00$66.7$50.0$16.7
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$56.5$56.5$81.8$60.9$20.9
Latest Detailed Filing

The latest 2024 filing currently has linked XML that has not been fully parsed yet. Showing the latest detailed filing from 2023 below.

Jump To
Filing Snapshot
Filing Period
Jan 1, 2023 to Dec 31, 2023
Signed
Nov 19, 2025
Return Version
2023v6.0
Gross Receipts
$8,880
Mission and Program Overview

Mission

ANIMAL RESCUE

Program Services

DescriptionGrantsExpenses
GREAT LAKES MASTIFF HAS RESCUED, MEDICALLY TREATED, SPAYED AND LOCATED NEW HOMES FOR OVER 500 ANIMALS,CONDUCTED PUBLIC EVENTS TO PREVENTUNWANTED ANIMALS IN SHELTERS$0$0
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
EILEEN BOYLEPresidentPT$0--
JONI MITTSDirectorPT$0--
SHERRY CROWLEYSecretaryPT$0--
TOM CROWLEYDirectorPT$0--
VANESSA MURPHYTreasurerPT$0--
KRISTINE NEWTONDirectorPT$0--
Filing and Contact Details

Filer

Filer Name
Great Lakes Mastiff Rescue Inc
EIN
80-0123750
Phone
7734259891
Address
PO BOX 47256, CHICAGO, IL 60647

Signing Officer

Name
Eileen Boyle
Title
President
Phone
7734259891
Signed
2025-11-19
Supplemental Narrative

Additional Explanations

Pt V, Line 35B

“none”

Raw XML Appendix158 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
IRS990EZ/ActivitiesNotPreviouslyRptInd0false
IRS990EZ/BooksInCareOfDetail/PersonNm0EILEEN BOYLE
IRS990EZ/BooksInCareOfDetail/PhoneNum07734259891
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt02238 N AVERS 1
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0CHICAGO
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0IL
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd0606472202
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt051872
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt041983
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd0false
IRS990EZ/ContributionsGiftsGrantsEtcAmt08880
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DonorAdvisedFndsInd0false
IRS990EZ/EngagedInExcessBenefitTransInd0false
IRS990EZ/ExcessOrDeficitForYearAmt0-9889
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt0250
IRS990EZ/FiledScheduleAInd0true
IRS990EZ/ForeignFinancialAccountInd0false
IRS990EZ/ForeignOfficeInd0false
IRS990EZ/Form1120PolFiledInd0false
IRS990EZ/Form990TotalAssetsGrp/BOYAmt051872
IRS990EZ/Form990TotalAssetsGrp/EOYAmt041983
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GainOrLossFromSaleOfAssetsAmt00
IRS990EZ/GrossProfitLossSlsOfInvntryAmt00
IRS990EZ/GrossReceiptsAmt08880
IRS990EZ/GrossReceiptsForPublicUseAmt00
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InfoInScheduleOPartVInd0X
IRS990EZ/InitiationFeesAndCapContriAmt00
IRS990EZ/InvestmentIncomeAmt00
IRS990EZ/LobbyingActivitiesInd0false
IRS990EZ/MadeLoansToFromOfficersInd0false
IRS990EZ/MembershipDuesAmt00
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt051872
IRS990EZ/NetAssetsOrFundBalancesEOYAmt041983
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt051872
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt041983
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt010.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt110.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt210.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt310.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt410.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt510.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0EILEEN BOYLE
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1JONI MITTS
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2SHERRY CROWLEY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3TOM CROWLEY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm4VANESSA MURPHY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm5KRISTINE NEWTON
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0PRESIDENT
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1DIRECTOR
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2SECRETARY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3DIRECTOR
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt4TREASURER
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt5DIRECTOR
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationFiled990TInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/OtherExpensesTotalAmt018519
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0ANIMAL RESCUE
IRS990EZ/ProgramServiceRevenueAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0GREAT LAKES MASTIFF HAS RESCUED, MEDICALLY TREATED, SPAYED AND LOCATED NEW HOMES FOR OVER 500 ANIMALS,CONDUCTED PUBLIC EVENTS TO PREVENTUNWANTED ANIMALS IN SHELTERS
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt00
IRS990EZ/ProhibitedTaxShelterTransInd0false
IRS990EZ/RelatedOrganizationCtrlEntInd0false
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SchoolOperatingInd0false
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TotalExpensesAmt018769
IRS990EZ/TotalProgramServiceExpensesAmt00
IRS990EZ/TotalRevenueAmt08880
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0N/A
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt08880
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt09641
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt014203
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt018437
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt030311
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt081472
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt01
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt01
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt01
IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt03
IRS990ScheduleA/InvestmentIncomeCYPct00
IRS990ScheduleA/OtherIncome170Grp/TotalAmt00
IRS990ScheduleA/OtherSupportSumAmt00
IRS990ScheduleA/PublicOrganization170Ind0X
IRS990ScheduleA/PublicSupportCY170Pct01.00000
IRS990ScheduleA/PublicSupportCY509Pct00
IRS990ScheduleA/PublicSupportPY170Pct00.99990
IRS990ScheduleA/PublicSupportTotal170Amt081472
IRS990ScheduleA/PublicSupportTotal509Amt00
IRS990ScheduleA/SubstantialContributorsTotAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind0X
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt08880
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt09641
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt014203
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt018437
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt030311
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt081472
IRS990ScheduleA/TotalSupportAmt081475
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt00
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0none
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Pt V, Line 35b
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0EILEEN BOYLE
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/PhoneNum07734259891
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-19
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0GREAT LAKES MASTIFF RESCUE INC
ReturnHeader/Filer/BusinessNameControlTxt0GREA
ReturnHeader/Filer/EIN0800123750
ReturnHeader/Filer/PhoneNum07734259891
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO BOX 47256
ReturnHeader/Filer/USAddress/CityNm0CHICAGO
ReturnHeader/Filer/USAddress/StateAbbreviationCd0IL
ReturnHeader/Filer/USAddress/ZIPCd060647
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/ReturnTs02025-11-20T11:04:25-08:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02023-01-01
ReturnHeader/TaxPeriodEndDt02023-12-31
ReturnHeader/TaxYr02023

Document Assets

No mirrored PDF or thumbnail assets are attached yet.

Peer Organizations

Similar nonprofits based on the same Siviq industry and scale cohort. 501(c)3 • <$500k nonprofits