San Diego Society of Natural History Balboa Park
Public records show a registered, tax-exempt organization in good standing.
What it says it does
CONSERVING NATURE THROUGH SCIENCE AND DISCOVERY.
- Income
- $16.3 million
- Spending
- $15.5 million
- Spent on programs
- 87%
- Reserves
- 2.9 months of spending
- Largest source of income
- fees for its services, 44%
- Employees
- 231
- Volunteers
- 404
- Highest pay
- $425,108, president & ceo
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: 70 out of 100. Higher than 44% of charities in its peer group (arts and culture, $10m to $100m).
Reserves
10 of 35Spendable reserves would cover 2.9 months of spending.
Debt
20 of 20It owes 2% of what it owns.
Living within its means
15 of 15Income exceeded spending by 5% of income.
Income trend
10 of 15Income fell 5% on the year before.
Spending floor
15 of 1587% of spending went to programs and raising each dollar of donations cost 13 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
Strong: 100 out of 100. Higher than 34% of charities in its peer group (arts and culture, $10m to $100m).
Independent board
25 of 2516 of 16 voting board members are independent.
Conflict of interest policy
15 of 15Has a written conflict of interest policy.
Whistleblower policy
8 of 8Has a written whistleblower policy.
Record keeping policy
7 of 7Has a written policy on keeping and destroying records.
Board minutes
5 of 5Keeps minutes of board meetings.
Board sees the tax return
10 of 10Gave the board a copy of this return before filing it.
Pay set independently
5 of 5Sets its chief executive's pay through independent review and comparison.
Independent check of accounts
15 of 15Its accounts were audited by an independent accountant.
No reported misuse
10 of 10Reports 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 (3)
- $6.2 million spent. SCIENCE: THE MUSEUM'S JACOB CENTER FOR SCIENCE AND CONSERVATION (JCSC) SERVES AS THE LEADER FOR THE PRESERVATION AND INTERPRETATION OF SCIENTIFIC SPECIMENS THAT DOCUMENT THE PLANT AND ANIMAL LIFE OF SOUTHERN CALIFORNIA AND BAJA CALIFORNIA. THE EXTENSIVE COLLECTION OF THE OF JCSC SUPPORT THE MUSEUM SCIENTISTS' RESEARCH AND PUBLICATIONS.
- $5.7 million spent. PUBLIC PROGRAMS: THE MUSEUM OFFERS PUBLIC ACCESS TO EXHIBITIONS ON FIVE FLOORS, A GIANT SCREEN THEATER, AND EDUCATION CLASSROOMS. INFORMAL EDUCATION PROGRAMS INCLUDE EXHIBITIONS THAT PRESERVE AND DISPLAY NATURAL OBJECTS DOCUMENTING THE GEOLOGICAL HISTORY AND LIFE OF THE REGION, EDUCATIONAL CLASSES, LECTURES AND EXPEDITIONS IN THE FIELD OF NATURAL SCIENCES.
- $1.6 million spent. EDUCATION: THE ENVIRONMENTAL SCIENCE EDUCATION CENTER (ESEC) IS A COMPREHENSIVE RESOURCE OF PROGRAMS THAT INSPIRE UNDERSTANDING, RESPECT AND RESPONSIBLE ACTION FOR OUR ENVIRONMENT. THE MUSEUM OFFERS LIFELONG LEARNING THROUGH SCHOOL PROGRAMS AND EDUCATOR RESOURCES.
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
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.
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.
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.
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.
How long has it been tax-exempt? Passed.
Recognized by the IRS since January 1925.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
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.