Civic Intelligence

Opus 1 Chamber Music School Inc.

EIN 93-3108158 • 501(c)3 • Houston, TX

Pub. 78 Eligible

Profile

Education

7655 Washington AveHouston, TX 77007

www.opus1cms.org

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

71st percentile

16%

Higher net margin than 71% of similar nonprofits.

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

Top Officer Pay

87th percentile

$17,998

Higher top officer pay than 87% of similar nonprofits.

Top officer pay equals 19.3% of source-year revenue.

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

Asset Growth

97th percentile

349%

Faster asset growth than 97% of similar nonprofits.

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

Revenue Growth

92nd percentile

112%

Faster revenue growth than 92% of similar nonprofits.

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

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Up

$19,519

Up $15,167 (+349%) from 2024

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

Up

$19,519

Up $15,167 (+349%) from 2024

Operations
Liabilities / RevenueScore unavailableNet Margin71st percentile

Revenue

Up

$93,234

Up $49,310 (+112%) from 2024

Expenses

Up

$78,067

Up $38,495 (+97%) from 2024

Net Income

Up

$15,167

Up $10,815 (+249%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth97th percentile

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

$20K$15K$10K$5.0K$0Assets 2024: $4,352Net Assets 2024: $4,3522024Assets 2025: $19,519Net Assets 2025: $19,5192025

Highlighted filing

2025

Assets$19,519
Liabilities-
Net Assets$19,519
Open 2025 Filing

Operations Trend

Revenue Growth92nd percentile

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

$100K$50K$0Revenue 2024: $43,924Expenses 2024: $39,572Net Income 2024: $4,3522024Revenue 2025: $93,234Expenses 2025: $78,067Net Income 2025: $15,1672025

Highlighted filing

2025

Revenue$93,234
Expenses$78,067
Net Income$15,167
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$19,519
Liabilities
-
Net assets
$19,519
Revenue
$93,234
Expenses
$78,067
Net income
$15,167
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$19.5$19.5$93.2$78.1$15.2
2024Detailed filing. Detailed filing data is available for this year.$4.35$4.35$43.9$39.6$4.35
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Aug 1, 2024 to Jul 31, 2025
Signed
Mar 22, 2025
Return Version
2024v5.2
Gross Receipts
$93,234
Mission and Program Overview

Mission

Education

Program Services

DescriptionGrantsExpenses
Opus 1 Chamber Music - Served 60 pre-college & adult students in 24-25. Each year students are assembledinto small ensembles (3-5) to learn chamber music, teamwork, music theory & communication skills. Pertrimester, students receive 8 coaching, performance experience, masterclasses, community outreach, mentorship opportunities. Scholarships were provided on a need-basis.$0$48,968
Opus 360 is a week long summer program targeted to local high school musicians. This year, 16 students learned& perfomred multiple movements of chamber music. Additionlly, they participated in entrepreneurship simulations creating their own artsorganization & presenting it to a board of directors. Scholarships were provided on a need-basis.$0$9,892
The Ambassador Prgram is a youth-to-youth outreach program consisting of a group of 4 high-school students. These students make up a string quartet thatperforms for underserved, young audiences throughout the Houston Community. The string quartet works with guest clinicians to learn how to effectively present their program, both through public speaking & musical performance.$0$4,276
Compensation and Service Providers
Top Officer Pay87th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Matthew LammersPresidentPT$17,998-$17,998
Marisa IshikawaSecretary & TreasurerPT$17,449-$17,449
William Bradley BragerBoard Member-$0--
Adria McDonaldBoard MemberPT$0--
Filing and Contact Details

Filer

Filer Name
Opus 1 Chamber Music School Inc
EIN
93-3108158
Phone
7204704018
Address
7655 Washington Ave, Houston, TX 77007

Signing Officer

Name
Marisa Ishikawa
Title
Secretary & Treasurer
Phone
7204704018
Signed
2025-03-22
Discuss with paid preparer
Yes

Preparer

Firm
Ann Marie Tewey CPA
Address
4470 PEMBROKE GDNS, BOULDER, CO 80301
Preparer
Ann Marie Tewey
Phone
3038181620
Supplemental Narrative

Additional Explanations

Form 990EZ, Part I, Line 16

“Business Meals 701.”

Form 990EZ, Part I, Line 16

“Fundraising Expenses 250.”

Form 990EZ, Part I, Line 16

“General Operating Expenses 1327.”

Form 990EZ, Part I, Line 16

“Marketing 48.”

Form 990EZ, Part I, Line 16

“General Liability Insurance 830.”

Form 990EZ, Part I, Line 16

“Music Purchase 148.”

Form 990EZ, Part I, Line 16

“Student and Faculty Summer Camp Expenses 1001.”

Form 990EZ, Part I, Line 16

“Payroll Subscription 662.”

Form 990EZ, Part I, Line 16

“Concert Reception Food and Drink 777.”

Form 990EZ, Part I, Line 16

“Payroll Employee Taxes 2712.”

Form 990EZ, Part I, Line 16

“Travel Expenses 250.”

Form 990EZ, Part I, Line 16

“Opus 360 Supplies 45.”

Form 990EZ, Part I, Line 16

“Depreciation 200.”

Form 990EZ, Part I, Line 16

“Scholarships 5901.”

Form 990EZ, Part II, Line 24

“Net Atelier Moro Violin and Cello Bows 0. 7800.”

Raw XML Appendix187 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.

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IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Matthew Lammers
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Marisa Ishikawa
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2William Bradley Brager
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IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Secretary & Treasurer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Board Member
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3Board Member
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/OtherAssetsTotalDetail/BOYAmt00
IRS990EZ/OtherAssetsTotalDetail/EOYAmt07800
IRS990EZ/OtherExpensesTotalAmt014852
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0Education
IRS990EZ/PrintingPublicationsPostageAmt028
IRS990EZ/ProgramServiceRevenueAmt074684
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0Opus 1 Chamber Music - Served 60 pre-college & adult students in 24-25. Each year students are assembledinto small ensembles (3-5) to learn chamber music, teamwork, music theory & communication skills. Pertrimester, students receive 8 coaching, performance experience, masterclasses, community outreach, mentorship opportunities. Scholarships were provided on a need-basis.
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt1Opus 360 is a week long summer program targeted to local high school musicians. This year, 16 students learned& perfomred multiple movements of chamber music. Additionlly, they participated in entrepreneurship simulations creating their own artsorganization & presenting it to a board of directors. Scholarships were provided on a need-basis.
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt2The Ambassador Prgram is a youth-to-youth outreach program consisting of a group of 4 high-school students. These students make up a string quartet thatperforms for underserved, young audiences throughout the Houston Community. The string quartet works with guest clinicians to learn how to effectively present their program, both through public speaking & musical performance.
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt10
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt20
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IRS990EZ/SchoolOperatingInd0false
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0TX
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TotalExpensesAmt078067
IRS990EZ/TotalProgramServiceExpensesAmt063136
IRS990EZ/TotalRevenueAmt093234
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0www.opus1cms.org
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt00
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IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt05161
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IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt00
IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt093234
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IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0137158
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Business Meals 701.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Fundraising Expenses 250.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2General Operating Expenses 1327.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3Marketing 48.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4General Liability Insurance 830.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5Music Purchase 148.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6Student and Faculty Summer Camp Expenses 1001.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7Payroll Subscription 662.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt8Concert Reception Food and Drink 777.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt9Payroll Employee Taxes 2712.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt10Travel Expenses 250.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt11Opus 360 Supplies 45.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt12Depreciation 200.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt13Scholarships 5901.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt14Net Atelier Moro Violin and Cello Bows 0. 7800.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc8Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc9Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc10Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc11Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc12Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc13Form 990EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc14Form 990EZ, Part II, Line 24
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0Marisa Ishikawa
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Secretary & Treasurer
ReturnHeader/BusinessOfficerGrp/PhoneNum07204704018
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-03-22
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0Opus 1 Chamber Music School Inc
ReturnHeader/Filer/BusinessNameControlTxt0OPUS
ReturnHeader/Filer/EIN0933108158
ReturnHeader/Filer/PhoneNum07204704018
ReturnHeader/Filer/USAddress/AddressLine1Txt07655 Washington Ave
ReturnHeader/Filer/USAddress/CityNm0Houston
ReturnHeader/Filer/USAddress/StateAbbreviationCd0TX
ReturnHeader/Filer/USAddress/ZIPCd077007
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0264278647
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0ANN MARIE TEWEY CPA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt04470 PEMBROKE GDNS
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0BOULDER
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CO
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd080301
ReturnHeader/PreparerPersonGrp/PhoneNum03038181620
ReturnHeader/PreparerPersonGrp/PreparationDt02025-11-07
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0Ann Marie Tewey
ReturnHeader/PreparerPersonGrp/SelfEmployedInd0X
ReturnHeader/ReturnTs02025-11-07T15:07:19-08:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-08-01
ReturnHeader/TaxPeriodEndDt02025-07-31
ReturnHeader/TaxYr02024

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