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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 33-2292763

COSTAFF MANAGEMENT SERVICES INC

Tax-exempt · DALLAS, TX 75225

Financials

$964K$948K2025
Revenue Expenses · by fiscal year end
Financials of COSTAFF MANAGEMENT SERVICES INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$963,943$947,778$16,165$108,001$91,836$16,165
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$20,000
Program service revenue
$943,943
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Other salaries and wages
$843,347
Salaries, compensation and benefits (total)
$927,237
Professional fundraising fees
$0
Program services (functional)
$947,778

Balance sheet and other

Total assets, start of year
$0
Total assets, end of year
$108,001
Total liabilities, end of year
$91,836
Net assets, end of year
$16,165
Gross receipts
$963,943
Employees
0
Volunteers
0
Year formed
2025
State of legal domicile
TX

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
SETH MCDONNELLCEO
Trustee or director, Officer
0.1$0
JOHN MATTHEW STOVERDIRECTOR
Trustee or director
0.1$0
ALAN HELFERTREASURER
Trustee or director, Officer
0.1$0
JENNA WEBSTERSECRETARY
Trustee or director, Officer
0.1$0

Address and contacts

Address (IRS master file)
8604 TURTLE CREEK BLVD UNIT 25548, DALLAS, TX 75225-4717
Principal officer (990 for 2025)
SETH MCDONNELL, 8604 TURTLE CREEK BLVD 25548, DALLAS, TX 75225
Signed the 990
SETH MCDONNELL, CEO
Phone
(410) 825-0995
Return prepared by
HELFER AND COMPANY LLC

Mission

TO EMPOWER NONPROFIT ORGANIZATIONS BY DELIVERING COST-EFFECTIVE, COMPLIANT, AND MISSION-ALIGNED HR SOLUTIONS THAT ATTRACT, DEVELOP, AND SUPPORT TALENT-ENABLING CHARITABLE ORGANIZATIONS TO OPERATE MORE EFFICIENTLY AND MAXIMIZE THEIR IMPACT.

990 for the year ended December 31, 2025

Program accomplishments

  • COSTAFF'S PRIMARY PROGRAM SERVICE IS THE PROVISION OF PERSONNEL WHO DIRECTLY IMPLEMENT AND SUPPORT A WIDE RANGE OF CHARITABLE AND MISSION-DRIVEN PROGRAMS ACROSS MULTIPLE SECTORS, INCLUDING SOCIAL SERVICES, PUBLIC HEALTH, YOUTH DEVELOPMENT, EDUCATION, SCIENTIFIC RESEARCH, AND COMMUNITY-BASED INITIATIVES. THROUGH ITS STAFF, COSTAFF ENABLES PARTNER ORGANIZATIONS TO CARRY OUT THEIR PROGRAMS EFFECTIVELY AND EXPAND THEIR REACH.DURING THE REPORTING PERIOD, COSTAFF'S PERSONNEL SUPPORTED NUMEROUS INITIATIVES SERVING DIVERSE POPULATIONS, INCLUDING UNDERSERVED COMMUNITIES, YOUTH, AND PROFESSIONALS ENGAGED IN PUBLIC INTEREST WORK.ACCOMPLISHMENTS:1. DELIVERED PROGRAMMATIC SUPPORT ACROSS A BROAD PORTFOLIO OF INITIATIVES, INCLUDING YOUTH MENTORSHIP AND CHARACTER DEVELOPMENT PROGRAMS, FAITH-BASED COMMUNITY SERVICES, PUBLIC HEALTH AND CLIMATE ADVOCACY EFFORTS, AND EDUCATION AND SCIENTIFIC OUTREACH. 2. SUPPORTED PROGRAMS THAT PROVIDED MENTORING, COACHING, TRAINING, AND LEADERSHIP DEVELOPMENT OPPORTUNITIES FOR YOUTH AND ADULTS. 3. ADVANCED INITIATIVES FOCUSED ON INCREASING ACCESS TO ARTS FOR INDIVIDUALS WITH INTELLECTUAL AND DEVELOPMENTAL DISABILITIES AND PROMOTING SOCIAL CHANGE FOR WOMEN AND GIRLS. 4. CONTRIBUTED TO THE DISSEMINATION OF SCIENTIFIC KNOWLEDGE AND RESEARCH, INCLUDING EFFORTS RELATED TO PUBLIC UNDERSTANDING OF SCIENCE AND AI SAFETY5. ENABLED HEALTHCARE PROFESSIONALS AND ADVOCATES TO ENGAGE IN CLIMATE AND PUBLIC HEALTH INITIATIVES AIMED AT IMPROVING COMMUNITY OUTCOMES. 6. MAINTAINED CONSISTENT, COMPLIANT ADMINISTRATIVE AND EMPLOYMENT PRACTICES TO ENSURE UNINTERRUPTED PROGRAM DELIVERY.
    Expenses $947,778 · revenue $943,943

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, 2025Check at the IRS
2023December 31, 2023May 15, 2024Check at the IRS

IRS record

EIN
33-2292763
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
2025
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Employment (J02)
Assets (IRS master file)
$108,001
Income (IRS master file)
$963,943

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$963,943$947,778$108,001XML

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 33-2292763).

Questions about COSTAFF MANAGEMENT SERVICES INC

What is the EIN of COSTAFF MANAGEMENT SERVICES INC?
The employer identification number (EIN) of COSTAFF MANAGEMENT SERVICES INC is 33-2292763.
Is COSTAFF MANAGEMENT SERVICES INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
Are donations to COSTAFF MANAGEMENT SERVICES INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does COSTAFF MANAGEMENT SERVICES 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 COSTAFF MANAGEMENT SERVICES 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 COSTAFF MANAGEMENT SERVICES 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 COSTAFF MANAGEMENT SERVICES INC?
The 990 for the year ended December 31, 2025 names SETH MCDONNELL.
Who are the officers and directors of COSTAFF MANAGEMENT SERVICES INC?
The 990 for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does COSTAFF MANAGEMENT SERVICES INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $963,943, expenses of $947,778 and total assets of $108,001 at year end.

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