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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Organizations Arts, Culture & Humanities Opus 1 Chamber Music School Inc

Opus 1 Chamber Music School Inc

Fiscal year ending 2025. Filed on November 7, 2025.

7655 Washington Ave
Houston, Texas 77007

Opus 1 Chamber Music School Inc (EIN: 93-3108158) has filed an IRS Form 990 since fiscal year 2024. In its fiscal year 2025 IRS Form 990 filing, Opus 1 Chamber Music School Inc, a 501(c)(3) charitable organization, reported compensation for 4 employees. Among the employees shown here, the average compensation is $17,724. The highest compensated employee at Opus 1 Chamber Music School Inc is Matthew Lammers with fiscal year 2025 compensation of $17,998.

Revenue, expenses, and employee compensation

Revenue

$93,234

Expenses

$78,067

Employee compensation

$35,447
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Matthew Lammers
President
$17,998
$17,998 No related compNo other comp
Marisa Ishikawa
Secretary and Treasurer
$17,449
$17,449 No related compNo other comp
William Bradley Brager
Board Member
$0
Adria McDonald
Board Member
$0

Benchmark Employee Compensation

Mission Statement

Education

Revisions to this organization profile

November 7, 2025:
2025 Opus 1 Chamber Music School Inc 990 filed
October 15, 2024:
2024 Opus 1 Chamber Music School Inc 990 filed

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