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Mammoth Community Foundation

EIN 77-0549615 · Mammoth Lakes, CA

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

LegitimacyPassesRegistration and standingFinancial healthNot ratedToo small or too little detailGovernanceFair62 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

TO ADVANCE THE EDUCATIONAL, SOCIOLOGICAL AND CULTURAL INTERESTS OF THE TOWN OF MAMMOTH LAKES, CA AND ITS SURROUNDING AREA.

Income
$52,137
Spending
$48,934
Spent on programs
95%
Reserves
9.1 months of spending
Largest source of income
donations and private grants, 100%
Employees
0
Volunteers
5

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

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

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

Governance

Fair: 62 out of 100. Higher than 46% of charities in its peer group (philanthropy, under $250k).

  • Independent board

    25 of 25

    5 of 5 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no 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.

  • 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 (2)
  1. $8,000 spent. MAMMOTH COMMUNITY FOUNDATION GAVE THE TOWN OF MAMMOTH LAKES A GRANT TO SUPPORT THE TOWN'S ANNUAL 4TH OF JULY FIREWORKS SHOW.
  2. $38,637 spent. ECONOMIC DEVELOPMENT - MAMMOTH COMMUNITY FOUNDATION'S ECONOMIC DEVELOPMENT EFFORT SUPPORTS PROGRAMS AND SERVICES, SUCH AS SPECIAL EVENTS, THAT STRENGTHENS MAMMOTH LAKES' TOURISM-BASED ECONOMY. BLUESAPALOOZA IS ONE OF MAMMOTH LAKES' LARGEST ANNUAL SPECIAL EVENTS. THE EVENT PROVIDES COMMUNITY NONPROFITS THE OPPORTUNITY TO FUNDRAISE BY HAVING THEIR MEMBERS VOLUNTEER TO WORK AT THE EVENT, IT PROVIDES A WIN/WIN SCENARIO FOR ALL PARTIES. THE ANCILLARY REWARD IS THAT THE NONPROFITS HAVE FUNDING AVAILABLE TO FULFILL THEIR MISSIONS.

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 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 October 13, 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 June 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 March 2001.

    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 October 21, 2026.

  7. Could it be confused with another charity? Worth knowing.

    A much larger organization has a similar name: Maine Community Foundation Inc (Ellsworth, ME), EIN 01-0391479. If that is the one you meant, check the EIN before giving.

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