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Arizona Museum of Natural History Foundation

EIN 86-0721792 · Mesa, AZ

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

LegitimacyPassesRegistration and standingFinancial healthGood85 out of 100GovernanceGood80 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

TO EMPOWER THE MUSEUM TO CREATE AND DELIVER INNOVATIVE EXPERIENCES ANDKNOWLEDGE SO THE PAST CAN INFORM THE FUTURE.

Income
$561,075
Spending
$817,675
Spent on programs
94%
Reserves
16.9 months of spending
Largest source of income
donations and private grants, 57%
Employees
6
Volunteers
200

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

Good: 85 out of 100. Higher than 63% of charities in its peer group (arts and culture, $250k to $1m).

  • Reserves

    35 of 35

    Spendable reserves would cover 16.9 months of spending.

  • Debt

    20 of 20

    It owes 2% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 46% of income.

  • Income trend

    15 of 15

    Income rose 38% on the year before.

  • Spending floor

    15 of 15

    94% 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: 80 out of 100. Higher than 62% of charities in its peer group (arts and culture, $250k to $1m).

  • Independent board

    25 of 25

    18 of 18 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

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Independent check of accounts

    6 of 15

    Its accounts were not audited or reviewed by an independent accountant.

  • 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. $771,475 spent. PROVIDE SUPPORT FOR GRANT WRITING AND EDUCATIONAL OPPORTUNITIES. IN ADDITION, THE MUSEUM STORE OFFERS AN ASSORTMENT OF ITEMS REFLECTING THE MUSEUM AND ITS COLLECTIONS. PROCEEDS PROVIDE EDUCATIONAL OPPORTUNITIES FOR QUALIFYING SCHOOLS AND OTHER COMMUNITY ORGANIZATIONS, AS WELL AS SUPPORTING THE MUSEUM'S EXHIBITIONS AND PROFESSIONAL DEVELOPMENT OF STAFF AND VOLUNTEERS.

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 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 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 September 1998.

    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.

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

    A much larger organization has a similar name: Los Angeles County Museum of Natural History Foundation (Los Angeles, CA), EIN 95-6132185. 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.