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Arizona Archaeological and Historical Society

EIN 86-6050701 · Tucson, AZ

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

LegitimacyPassesRegistration and standingFinancial healthStrong100 out of 100GovernanceGood82 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

The objectives of the Arizona Archaeological and Historical Society (AAHS) are: to encourage scholarly pursuits into the history and anthropology of the southwest United States and northwest Mexico; (see Schedule O for full mission statement)

Income
$461,688
Spending
$110,366
Spent on programs
85%
Reserves
Over 10 years of spending
Largest source of income
donations and private grants, 81%
Employees
0
Volunteers
35

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

Strong: 100 out of 100. Higher than 88% of charities in its peer group (arts and culture, $250k to $1m).

  • Reserves

    35 of 35

    Spendable reserves would cover more than ten years of spending.

  • Debt

    20 of 20

    It owes 0% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 76% of income.

  • Income trend

    15 of 15

    Income rose 403% on the year before.

  • Spending floor

    15 of 15

    85% 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: 82 out of 100. Higher than 66% of charities in its peer group (arts and culture, $250k to $1m).

  • Independent board

    25 of 25

    14 of 14 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no 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.

  • 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. $93,798 spent. During the fiscal year ending June 30, 2025, the Society continued to provided support for a number of individual researchers and organizations and to offer educational experiences to members through publications, program presentations, and field trips. Membership at the end of the year stood at 555 individual and institutional members. The three largest program services in terms of expenses incurred for the year were research and travel grants ($14,571), donations to the Arizona State Museum Library ($8,895), and support for teachers attending Project Archaeology training sessions ($1,800).

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 January 1961.

    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.

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.