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Chamber Orchestra of the South Bay Inc

EIN 23-7259502 · Pls Vrds Pnsl, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthFair55 out of 100GovernanceGood71 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE PRIMARY MISSION OF THE COSB IS TO BRING A HIGH LEVEL OF ARTISTIC EXCELLENCE TO THE SOUTH BAY AREA OF LOS ANGELES COUNTY. THE COSB NOW SERVES AS THE ONLY PROFESSIONAL CLASSICAL ORCHESTRA RESIDENT IN THE SOUTH BAY (LONG BEACH IS NOT DEMOGRAPHICALLY PART OF THE SOUTH BAY, AND THE LOS ANGELES PHILHARMONIC HAS CEASED PERFORMING IN THE SOUTH BAY). A SECONDARY MISSION OF THE COSB IS TO PARTNER WITH LOCAL EDUCATIONAL INSTITUTIONS TO PROVIDE FREE OPEN REHEARSALS FOR STUDENTS.

Income
$119,567
Spending
$190,649
Spent on programs
100%
Reserves
3.1 months of spending
Largest source of income
donations and private grants, 56%
Employees
1
Volunteers
6
Highest pay
$2,900, treasurer

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 55 out of 100. Higher than 24% of charities in its peer group (arts and culture, under $250k).

  • Reserves

    20 of 35

    Spendable reserves would cover 3.1 months of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 59% of income.

  • Income trend

    0 of 15

    Income fell 33% on the year before.

  • Spending floor

    15 of 15

    100% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Good: 71 out of 100. Higher than 66% of charities in its peer group (arts and culture, under $250k).

  • Independent board

    5 of 25

    0 of 5 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    0 of 5

    Reports no independent review process for its chief executive's pay.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $190,649 spent. PROVIDED 4 CONCERTS AVAILABLE TO THE PUBLIC COMMUNITY, 4 REHEARSALS OPEN TO STUDENTS AND TEACHERS. INCLUDING PRE-CONCERT LECTURE BY A NOTED COMPOSER AND MUSIC CRITIC.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated September 10, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending June 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since April 1973.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.