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Nonprofit · EIN 77-0528762

AQUARIUS AQUARIUM INSTITUTE

Tax-exempt · FRESNO, CA 93727

Financials

$55K$56K2023$51K$42K2024$44K$39K2025
Revenue Expenses · by fiscal year end
Financials of AQUARIUS AQUARIUM INSTITUTE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$44,083$38,807$5,276$367,335$5,658$361,677
December 31, 2024990-EZ$51,248$42,446$8,802$365,203$171$365,032
December 31, 2023990-EZ$55,345$55,838-$493$356,401$171$356,230
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$5,466
Membership dues
$13,775
Program service revenue
$6,933
Investment income
$6,955
Net income from fundraising events
$10,954

Expenses

Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$1,267
Occupancy
$11,094
Printing, publications and postage
$5,684
Other expenses
$20,762
Program services (functional)
$43,141

Balance sheet and other

Total assets, start of year
$365,203
Total assets, end of year
$367,335
Total liabilities, end of year
$5,658
Net assets, end of year
$361,677
Cash, savings and investments
$124,161
Land and buildings
$241,043
Gross receipts
$48,634

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ALETHA LANGTreasurer/Board10$0
STACI BYNUMBOARD MEMBER1$0
MICHAEL LENIHANBOARD MEMBER1$0
THOMAS LANGPresident/Exec25$0
PATRICIA BIRKLESecretary1$0
990-EZ for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
Staci BynumBoard Member1$0
Michael LenihanBoard Member1$0
Thomas J LangExecutive Director25$0
Aletha LangBoard Chair & Treasurer10$0
Patricia BirkleSecretary1$0
990-EZ for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
Staci BynumBoard Member1$0
Marc JohnsonBoard Member1$0
Thomas J LangExecutive Director25$0
Aletha LangBoard Chair & Treasurer10$0
Patricia BirkleSecretary1$0

Address and contacts

Address (IRS master file)
5541 COLUMBIA DR N, FRESNO, CA 93727-6015
In care of
% TOM LANG
Mailing address (990-N for 2019)
5541 COLUMBIA DR N, FRESNO CA 937276015
Principal officer (990-N for 2019)
Aletha Lang, 5541 COLUMBIA DR NORTH, FRESNO CA 93727
Signed the 990-EZ
THOMAS LANG, President/Exec
Phone
(559) 490-3474
Return prepared by
RS ACCOUNTING INC

California records

California keeps its own records of charities and corporations. Search them by EIN 77-0528762 or by the name AQUARIUS AQUARIUM INSTITUTE.

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

Mission

TO PROVIDE MARINE AND AQUATIC LIFE EDUCATIONAL OUTREACH. OUR MISSION IS TO ELEVATE PUBLIC CONSCIOUSNESS AND UNDERSTANDING OF OUR AQUATIC WORLD.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • TO PROVIDE MARINE AND AQUATIC LIFE EDUCATIONAL OUTREACH. OUR MISSION IS TO ELEVATE PUBLIC CONSCIOUSNESS AND UNDERSTANDING OF OUR AQUATIC WORLD.
    Expenses $43,141

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
77-0528762
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2000
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$367,335
Income (IRS master file)
$48,634

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$44,083$38,807$367,335XML
990-EZDecember 2024$51,248$42,446$365,203XML
990-EZDecember 2023$55,345$55,838$356,401XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-N for 2019
Officer: Aletha Lang
December 31, 2019≤ $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 77-0528762).

Questions about AQUARIUS AQUARIUM INSTITUTE

What is the EIN of AQUARIUS AQUARIUM INSTITUTE?
The employer identification number (EIN) of AQUARIUS AQUARIUM INSTITUTE is 77-0528762.
Is AQUARIUS AQUARIUM INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
Are donations to AQUARIUS AQUARIUM INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does AQUARIUS AQUARIUM INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of AQUARIUS AQUARIUM INSTITUTE 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 AQUARIUS AQUARIUM INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of AQUARIUS AQUARIUM INSTITUTE?
The 990-N for 2019 names Aletha Lang.
Who are the officers and directors of AQUARIUS AQUARIUM INSTITUTE?
The 990-EZ for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does AQUARIUS AQUARIUM INSTITUTE have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $44,083, expenses of $38,807 and total assets of $367,335 at year end.

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