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Nonprofit · EIN 04-3653586

OCEAN SCIENCE INTERNATIONAL INC

Tax-exempt (reinstated) · SAN DIEGO, CA 92126

Financials

$3.6M$294K2023$734K$1.3M2024$1.3M$1.6M2025
Revenue Expenses · by fiscal year end
Financials of OCEAN SCIENCE INTERNATIONAL INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$1,311,370$1,600,057-$288,687$7,382,050$1,920,417$5,461,633
December 31, 2024990$733,983$1,332,694-$598,711$7,651,458$2,481,141$5,170,317
December 31, 2023990$3,557,992$293,987$3,264,005$4,477,740$571$4,477,169
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$1,379,358
Investment income
-$67,988
Net gain from sales of assets
-$273,083
Other revenue
$0

Expenses

Grants and similar amounts paid
$48,087
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$5,696
Accounting fees
$64,621
Occupancy
$23,952
Depreciation
$586
Program services (functional)
$1,496,382
Management and general (functional)
$103,675

Balance sheet and other

Total assets, start of year
$7,651,458
Total assets, end of year
$7,382,050
Total liabilities, end of year
$1,920,417
Net assets, end of year
$5,461,633
Land, buildings and equipment
$4,498,314
Publicly traded securities
$1,586,604
Net assets without donor restrictions
$5,461,633
Gross receipts
$1,602,453
Employees
0
Volunteers
4
Year formed
2002
State of legal domicile
CA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
RICHARD KORFDirector
Trustee or director
3$0
SHAWN DEWITTSecretary
Trustee or director
3$0
SHAWN BENGTSONDirector
Trustee or director
3$0
ROD HARVEYDirector
Trustee or director, Officer
3$0
JON MCMULLENPresident
Trustee or director, Officer
6$0
990 for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
RICHARD KORFDirector
Trustee or director
3$0
SHAWN DEWITTSecretary
Trustee or director
3$0
SHAWN BENGTSONDirector
Trustee or director
3$0
ROD HARVEYDirector
Trustee or director, Officer
3$0
JON MCMULLENPresident
Trustee or director, Officer
6$0
990 for the year ended December 31, 2023: 6 people
NameTitleHours / weekCompensation
DAVID MCMULLENPresident
Trustee or director, Officer
20$0
RICHARD KORFDirector
Trustee or director
3$0
SHAWN DEWITTDirector
Trustee or director
3$0
ALLEN SCHWARTSSecretary
Trustee or director
3$0
ROD HARVEYDirector
Trustee or director, Officer
5$0
JON MCMULLENTreasurer
Trustee or director, Officer
6$0

Address and contacts

Address (IRS master file)
9528 MIRAMAR RD 244, SAN DIEGO, CA 92126-4533
In care of
% DAVID MCMULLEN
Mailing address (990-N for 2012)
173 Silverwood Ranch Drive, Shenandoah TX 77384
Principal officer (990-N for 2012)
David McMullen, 173 Silverwood Ranch Drive, Shenandoah TX 77384
Signed the 990
JON MCMULLEN, President
Phone
(619) 279-7939
Return prepared by
Vie Mixon CPA PLLC

California records

California keeps its own records of charities and corporations. Search them by EIN 04-3653586 or by the name OCEAN SCIENCE INTERNATIONAL INC.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

OSI PROVIDES VALUABLE MARINE AND ENVIRONMENTAL EDUCATION TO THE PUBLIC THROUGH EDUCATIONAL HANDS-ON PROGRAMS, CREATING UNIQUE AWARENESS OF MARINE AND FRESHWATER ENVIRONMENTS AND OUR GLOBAL INTERCONNECTIVITY.

990 for the year ended December 31, 2025

Program accomplishments

  • EXPENDITURES RELATED TO PROGRAM FIXED ASSETS: VESSELS, VEHICLES, AND REAL ESTATE PROPERTY
    Expenses $1,448,295 · revenue $1,379,358
  • STEAM GRANTS TO VARIOUS ORGANIZATIONS/INDIVIDUALS
    Expenses $26,520
  • UNIVERSITY STUDENT SCHOLARSHIPS
    Expenses $17,647
  • HANDS-ON TEACHING FOR THE UNDERPRIVILEDGED AND ALSO HIGH SCHOOL STUDENTS ABOUT OCEAN AND FRESHWATER: 1. FISHING, 2. OCEAN STEWARDSHIP AND GOOD ECOSYSTEM BEHAVIOR, AND 3. MARINE SCIENCE.
    Expenses $3,920
  • TEACHING VETERANS WOOKWORKING SKILLS AND ALTERNATIVE THERAPY THROUGH TRADITIONAL HAND TOOL AND WOODWORKING

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
04-3653586
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2018
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$7,382,050
Income (IRS master file)
$1,602,453

Revocation and reinstatement

Exemption revoked
May 15, 2017
Posted by the IRS
February 12, 2018
Reinstated
Effective May 15, 2017

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$1,311,370$1,600,057$7,382,050IRS
990December 2024$733,983$1,332,694$7,651,458IRS
990December 2023$3,557,992$293,987$4,477,740XML
990December 2022-$37,003$230,616$1,645,562IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS
990-N for 2012
Officer: David McMullen
December 31, 2012≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 04-3653586).

Questions about OCEAN SCIENCE INTERNATIONAL INC

What is the EIN of OCEAN SCIENCE INTERNATIONAL INC?
The employer identification number (EIN) of OCEAN SCIENCE INTERNATIONAL INC is 04-3653586.
Is OCEAN SCIENCE INTERNATIONAL INC tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2017 and reinstated it effective May 15, 2017.
Are donations to OCEAN SCIENCE INTERNATIONAL INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OCEAN SCIENCE INTERNATIONAL INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of OCEAN SCIENCE INTERNATIONAL INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OCEAN SCIENCE INTERNATIONAL INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of OCEAN SCIENCE INTERNATIONAL INC?
The 990-N for 2012 names David McMullen.
Who are the officers and directors of OCEAN SCIENCE INTERNATIONAL INC?
The 990 for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does OCEAN SCIENCE INTERNATIONAL INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $1,311,370, expenses of $1,600,057 and total assets of $7,382,050 at year end.

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