Civic Intelligence

William Brennan Band Boosters

EIN 27-2682831 • 501(c)3 • San Antonio, TX

Profile

Support and supplement band activities

2400 Cottonwood WaySan Antonio, TX 78253-6235

www.themightybrennanband.com

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

94th percentile

68%

Higher net margin than 94% of similar nonprofits.

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

Top Officer Pay

84th percentile

$0

Higher top officer pay than 84% of similar nonprofits.

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

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

Asset Growth

98th percentile

535%

Faster asset growth than 98% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2025

Revenue Growth

44th percentile

-5.6%

Faster revenue growth than 44% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2023 to 2025

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Up

$118,915

Up $115,968 (+3935%) from 2023

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

Up

$118,915

Up $115,968 (+3935%) from 2023

Operations
Liabilities / RevenueScore unavailableNet Margin94th percentile

Revenue

Down

$161,816

Down $19,794 (-11%) from 2023

Expenses

Down

$51,349

Down $127,314 (-71%) from 2023

Net Income

Up

$110,467

Up $107,520 (+3648%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth98th percentile

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

$150K$100K$50K$0Assets 2015: $19,420Liabilities 2015: $0Net Assets 2015: $19,4202015Assets 2016: $10,206Liabilities 2016: $0Net Assets 2016: $10,2062016Assets 2017: $5,097Liabilities 2017: $0Net Assets 2017: $5,0972017Assets 2023: $2,947Net Assets 2023: $2,9472023Assets 2025: $118,915Net Assets 2025: $118,9152025

Highlighted filing

2025

Assets$118,915
Liabilities-
Net Assets$118,915
Open 2025 Filing

Operations Trend

Revenue Growth44th percentile

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

$200K$150K$100K$50K$0-$50KRevenue 2015: $59,184Expenses 2015: $51,946Net Income 2015: $7,2382015Revenue 2016: $169,212Expenses 2016: $178,426Net Income 2016: -$9,2142016Revenue 2017: $138,080Expenses 2017: $143,189Net Income 2017: -$5,1092017Revenue 2023: $181,610Expenses 2023: $178,663Net Income 2023: $2,9472023Revenue 2025: $161,816Expenses 2025: $51,349Net Income 2025: $110,4672025

Highlighted filing

2025

Revenue$161,816
Expenses$51,349
Net Income$110,467
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$118,915
Liabilities
-
Net assets
$118,915
Revenue
$161,816
Expenses
$51,349
Net income
$110,467
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$1.19$1.19$1.62$0.51$1.10
2023Detailed filing. Detailed filing data is available for this year.$0.03$0.03$1.82$1.79$0.03
2017Detailed filing. Detailed filing data is available for this year.$0.05$0.00$0.05$1.38$1.43$0.05
2016Detailed filing. Detailed filing data is available for this year.$0.10$0.00$0.10$1.69$1.78$0.09
2015Detailed filing. Detailed filing data is available for this year.$0.19$0.00$0.19$0.59$0.52$0.07
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Jan 27, 2026
Return Version
2024v5.1
Gross Receipts
$194,412
Mission and Program Overview

Mission

Support and supplement band activities

Support of the William J. Brennan High School Band

Program Services

DescriptionGrantsExpenses
Provide supervision meals and support for the Brennan High School band program during games and competitions throughout the year.$0$154,169
Compensation and Service Providers
Top Officer Pay84th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Leticia DiazPresidentPT$0--
Monica MartinezTreasurerPT$0--
Alex MirandaVice Presidentv EPT$0--
Laura DeAguilarSecretaryPT$0--
Eve RamosColorguard RepresentativePT$0--
Veronica LongoriaVice PresidentPT$0--
Yilsa De Los SantosPercussion RepresentativePT$0--
Filing and Contact Details

Filer

Filer Name
William Brennan Band Boosters
EIN
27-2682831
Address
2400 COTTONWOOD WAY, SAN ANTONIO, TX 78253-6235

Signing Officer

Name
Monica Martinez
Title
Treasurer
Phone
2102864945
Signed
2026-01-27
Raw XML Appendix155 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/BenefitsPaidToOrForMembersAmt00
IRS990EZ/BooksInCareOfDetail/PersonNm0Monica Martinez
IRS990EZ/BooksInCareOfDetail/PhoneNum02103168694
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt02400 COTTONWOOD WAY
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0SAN ANTONIO
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0TX
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd0782536235
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt08448
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt0118915
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd0false
IRS990EZ/ContributionsGiftsGrantsEtcAmt0185764
IRS990EZ/CostOfGoodsSoldAmt031771
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd0false
IRS990EZ/EngagedInExcessBenefitTransInd0false
IRS990EZ/ExcessOrDeficitForYearAmt0110467
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt044739
IRS990EZ/FiledScheduleAInd0true
IRS990EZ/ForeignFinancialAccountInd0false
IRS990EZ/ForeignOfficeInd0false
IRS990EZ/Form1120PolFiledInd0false
IRS990EZ/Form990TotalAssetsGrp/BOYAmt08448
IRS990EZ/Form990TotalAssetsGrp/EOYAmt0118915
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GainOrLossFromSaleOfAssetsAmt00
IRS990EZ/GamingGrossIncomeAmt00
IRS990EZ/GrossProfitLossSlsOfInvntryAmt0-24053
IRS990EZ/GrossReceiptsAmt0194412
IRS990EZ/GrossSalesOfInventoryAmt07718
IRS990EZ/InvestmentIncomeAmt00
IRS990EZ/LandAndBuildingsGrp/BOYAmt00
IRS990EZ/LandAndBuildingsGrp/EOYAmt00
IRS990EZ/LobbyingActivitiesInd0false
IRS990EZ/MadeLoansToFromOfficersInd0false
IRS990EZ/MembershipDuesAmt0930
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt08448
IRS990EZ/NetAssetsOrFundBalancesEOYAmt0118915
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt08448
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt0118915
IRS990EZ/OccupancyRentUtltsAndMaintAmt06610
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt015
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt110
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt210
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt310
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt410
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt510
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt610
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt60
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt60
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt40
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt50
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt60
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Leticia Diaz
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Monica Martinez
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2Alex Miranda
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3Laura DeAguilar
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm4Eve Ramos
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm5Veronica Longoria
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm6Yilsa De Los Santos
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Treasurer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Vice PresidentV e
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Secretary
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt4Colorguard Representative
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt5Vice President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt6Percussion Representative
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0Support of the William J. Brennan High School Band
IRS990EZ/PrintingPublicationsPostageAmt00
IRS990EZ/ProgramServiceRevenueAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0Provide supervision meals and support for the Brennan High School band program during games and competitions throughout the year.
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt0154169
IRS990EZ/ProhibitedTaxShelterTransInd0false
IRS990EZ/RelatedOrganizationCtrlEntInd0false
IRS990EZ/SalariesOtherCompEmplBnftAmt00
IRS990EZ/SaleOfAssetsGrossAmt00
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SchoolOperatingInd0true
IRS990EZ/SpecialEventsDirectExpensesAmt0825
IRS990EZ/SpecialEventsNetIncomeLossAmt0-825
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0TX
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TotalExpensesAmt051349
IRS990EZ/TotalProgramServiceExpensesAmt0154169
IRS990EZ/TotalRevenueAmt0161816
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990ScheduleA/SchoolInd0X
IRS990ScheduleE/ComplianceWithRevProc7550Ind0true
IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd0false
IRS990ScheduleE/DiscriminateRaceAthltProgInd0false
IRS990ScheduleE/DiscriminateRaceEducPlcyInd0false
IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd0false
IRS990ScheduleE/DiscriminateRaceOtherActyInd0false
IRS990ScheduleE/DiscriminateRaceSchsInd0false
IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd0false
IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd0false
IRS990ScheduleE/GovernmentFinancialAidRcvdInd0false
IRS990ScheduleE/GovernmentFinancialAidRvkdInd0false
IRS990ScheduleE/MaintainCpyOfAllSolInd0true
IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd0true
IRS990ScheduleE/MaintainRacialCompRecsInd0true
IRS990ScheduleE/MaintainScholarshipsRecsInd0true
IRS990ScheduleE/NondiscriminatoryPolicyStmtInd0true
IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd0true
IRS990ScheduleE/PolicyStmtInBrochuresEtcInd0true
IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt0| PartandLinenumber:,Explanation:| Part1Line3,Included in Handbook and booster bylaws.|
IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc0Part I
ReasonableCauseExplanation/ExplanationTxt0Board members were changed in November 2025 including the treasurer position and access to systems and bank account was delayed.
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Monica Martinez
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum02102864945
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-01-27
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0WILLIAM BRENNAN BAND BOOSTERS
ReturnHeader/Filer/BusinessNameControlTxt0WILL
ReturnHeader/Filer/EIN0272682831
ReturnHeader/Filer/ForeignPhoneNum02103981250
ReturnHeader/Filer/USAddress/AddressLine1Txt02400 COTTONWOOD WAY
ReturnHeader/Filer/USAddress/CityNm0SAN ANTONIO
ReturnHeader/Filer/USAddress/StateAbbreviationCd0TX
ReturnHeader/Filer/USAddress/ZIPCd0782536235
ReturnHeader/ReturnTs02026-01-09T12:31:56-05:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

Document Assets

No mirrored PDF or thumbnail assets are attached yet.