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Diamond Baseball League Inc

EIN 20-5892383 · Willoughby, OH

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

LegitimacyPassesRegistration and standingFinancial healthStrong90 out of 100GovernanceNot ratedThe short tax form does not cover thisImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

The Diamond League is an amateur baseball league for high school and college aged players in Northeast Ohio.

Income
$58,825
Spending
$52,464
Reserves
7.6 months of spending
Largest source of income
fees for its services, 50%

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

Financial health

Strong: 90 out of 100. Higher than 70% of charities in its peer group (recreation and sports, under $250k).

  • Reserves

    28 of 35

    Spendable reserves would cover 7.6 months of spending.

  • Debt

    20 of 20

    It owes 11% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 11% of income.

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

Governance

This organization files the short tax form, which does not ask about boards, policies or audits. That is normal for a small charity and is not a mark against it.

Source: Form 990EZ for the year ending September 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 (3)
  1. $28,361 spent. NABF World Series Events. The Diamond League has run this past season the NABF World Series for 16u 18u and 23u age divisions.
  2. $9,515 spent. Diamond League Tournament at beginning of the season. The Diamond League runs a league tournament at the beginning June of the league season.
  3. $3,300 spent. Registrations with the NABF. We register the Diamond League teams with the National Amateur Baseball Federation so they can play in their World Series events.

Source: Form 990EZ for the year ending September 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 October 13, 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 November 6, 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 October 13, 2026.

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

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

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

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

    Recognized by the IRS since August 2007.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 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 November 4, 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.