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San Dieguito Heritage Museum

EIN 33-0310885 · Encinitas, CA

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

LegitimacyPassesRegistration and standingFinancial healthFair65 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

Points to look into

  • Only 37% of its spending went to programs.

These come from the organization's own tax return. There may be a good explanation; ask the charity.

What it says it does

THE MISSION OF THE SAN DIEGUITO HERITAGE MUSEUM IS TO COLLECT, PRESERVE AND INTERPRET LOCAL HISTORY. THE MUSEUM'S MAJOR INTENT IS TO TELL THE STORY OF THE COMMUNITIES OF THE SAN DIEGUITO REGION TO CHILDREN AND ADULTS THAT ARE AUTHENTIC AND EXCITING.

Income
$94,358
Spending
$122,332
Spent on programs
37%
Reserves
80.7 months of spending
Largest source of income
other income, 55%
Employees
1
Highest pay
$28,074, executive dir.

Source: Form 990 for the year ending August 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Fair: 65 out of 100.

  • Reserves

    35 of 35

    Spendable reserves would cover 80.7 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 30% of income.

  • Income trend

    10 of 15

    Income fell 5% on the year before.

  • Spending floor

    0 of 15

    37% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending August 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 100 out of 100.

  • Independent board

    25 of 25

    14 of 15 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

    5 of 5

    Sets its chief executive's pay through independent review and comparison.

  • No reported misuse

    10 of 10

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

Source: Form 990 for the year ending August 31, 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. $45,785 spent. TO COLLECT AND PRESERVE HISTORICAL COLLECTIONS IN A MUSEUM OPEN TO THE PUBLIC. ARRANGE AND INSTALL EXHIBITS AND PROVIDE EDUCATIONAL TOURS. THE SAN DIEGUITO HERITAGE MUSEUM WAS FOUNDED IN 1988 TO PRESERVE ARTIFACTS, RECORDS AND STORIES PERTAINING TO THE HISTORY OF THE COMMUNITIES OF THE SAN DIEGUITO RIVER AREA. THE FOUNDERS HAD DEEP ROOTS IN THE LOCAL COMMUNITIES AND CHERISHED THE UNIQUENESS OF THE HISTORY IN THE AREA. THEY SOUGHT TO PRESERVE AND SHARE THIS HISTORY THROUGH A COMBINATION OF HANDS-ON HISTORY EXPERIENCES AS WELL AS TRADTIONAL EXHIBITS.

Source: Form 990 for the year ending August 31, 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 August 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 March 1990.

    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.