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Nonprofit · EIN 73-6098935

SIGMA NU CORPORATION OF OKLAHOMA

Tax-exempt (reinstated) · COLLEYVILLE, TX 76034

Financials

$731K$917K2023$672K$871K2024
Revenue Expenses · by fiscal year end
Financials of SIGMA NU CORPORATION OF OKLAHOMA by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$671,559$870,654-$199,095$7,073,241$7,207,414-$134,173
June 30, 2024990$730,603$916,863-$186,260$7,355,025$7,290,103$64,922
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$671,126
Investment income
$433
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Other salaries and wages
$45,485
Salaries, compensation and benefits (total)
$45,485
Professional fundraising fees
$0
Occupancy
$652,460
Depreciation
$172,237

Balance sheet and other

Total assets, start of year
$7,355,025
Total assets, end of year
$7,073,241
Total liabilities, end of year
$7,207,414
Net assets, end of year
-$134,173
Land, buildings and equipment
$7,041,858
Net assets without donor restrictions
-$134,173
Gross receipts
$671,559
Employees
1
Volunteers
10
Year formed
1910
State of legal domicile
OK

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
Mark RobbinsPresident
Trustee or director, Officer
5$0
Justin LombardoSecretary
Trustee or director, Officer
2$0
Ian SmithDirector
Trustee or director
0$0
Brett ModleyDirector
Trustee or director
0$0
David OakleyDirector
Trustee or director
0$0
990 for the year ended June 30, 2024: 5 people
NameTitleHours / weekCompensation
Mark RobbinsPresident
Trustee or director, Officer
5$0
Justin LombardoSecretary
Trustee or director, Officer
2$0
Ian SmithDirector
Trustee or director
0$0
Brett ModleyDirector
Trustee or director
0$0
David OakleyDirector
Trustee or director
0$0

Address and contacts

Address (IRS master file)
7327 CEDAR CT, COLLEYVILLE, TX 76034-6351
Principal officer (990 for 2024)
Mark Robbins, 7327 Cedar Ct, Colleyville, TX 76035
Signed the 990
Mark Robbins, President
Phone
(817) 455-0094

Mission

To provide student housing for University of Oklahoma members of Sigma Nu Fraternity.

990 for the year ended June 30, 2025

Program accomplishments

  • Operating, maintaining and financing 28,000 square foot Sigma Nu Fraternity house.
    Expenses $870,654 · revenue $671,558

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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
73-6098935
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
2014
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B83)
Assets (IRS master file)
$7,073,241
Income (IRS master file)
$671,559

Revocation and reinstatement

Exemption revoked
November 15, 2010
Posted by the IRS
July 13, 2011
Reinstated
Effective November 15, 2013

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
990June 2025$671,559$870,654$7,073,241XML
990June 2024$730,603$916,863$7,355,025XML
990June 2023$672,669$789,922$7,523,809IRS
990June 2022–––IRS
990June 2021–––IRS
990June 2020–––IRS
990June 2018–––IRS

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 73-6098935).

Questions about SIGMA NU CORPORATION OF OKLAHOMA

What is the EIN of SIGMA NU CORPORATION OF OKLAHOMA?
The employer identification number (EIN) of SIGMA NU CORPORATION OF OKLAHOMA is 73-6098935.
Is SIGMA NU CORPORATION OF OKLAHOMA tax-exempt?
Yes. The IRS revoked its exemption on November 15, 2010 and reinstated it effective November 15, 2013.
Are donations to SIGMA NU CORPORATION OF OKLAHOMA tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SIGMA NU CORPORATION OF OKLAHOMA 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 SIGMA NU CORPORATION OF OKLAHOMA due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIGMA NU CORPORATION OF OKLAHOMA last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of SIGMA NU CORPORATION OF OKLAHOMA?
The 990 for the year ended June 30, 2025 names Mark Robbins.
Who are the officers and directors of SIGMA NU CORPORATION OF OKLAHOMA?
The 990 for the year ended June 30, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does SIGMA NU CORPORATION OF OKLAHOMA have?
On its 990 for the year ended June 30, 2025 it reported revenue of $671,559, expenses of $870,654 and total assets of $7,073,241 at year end.

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