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Nonprofit · EIN 76-0655270

MERCER SOCIETY

Tax-exempt · HUMBLE, TX 77338

Financials

$293K$299K2022$380K$426K2023$421K$388K2024$421K$379K2025
Revenue Expenses · by fiscal year end
Financials of MERCER SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$420,512$379,285$41,227$280,849$556$280,293
December 31, 2024990$420,706$388,109$32,597$254,229$5,710$248,519
December 31, 2023990$379,526$425,986-$46,460$224,647$8,725$215,922
December 31, 2022990$292,946$299,296-$6,350$269,032$6,650$262,382
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$419,491
Membership dues
$38,584
Program service revenue
$0
Investment income
$1,005
Other revenue
$16

Expenses

Grants and similar amounts paid
$0
Other salaries and wages
$7,905
Salaries, compensation and benefits (total)
$118,937
Professional fundraising fees
$0
Accounting fees
$6,038
Occupancy
$1,200
Travel
$4,718
Program services (functional)
$238,204
Management and general (functional)
$141,081

Balance sheet and other

Total assets, start of year
$254,229
Total assets, end of year
$280,849
Total liabilities, end of year
$556
Net assets, end of year
$280,293
Gross receipts
$420,512
Employees
10
Volunteers
475
Year formed
2007
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
MARLENE MADINCEAPRESIDENT
Trustee or director, Officer
15$0
MARJORIE TAYLORTREASURER
Trustee or director, Officer
15$0
LAUREN BOKELASST TREASURER
Trustee or director, Officer
15$0
CHARLYN BROWNSECRETARY
Trustee or director, Officer
10$0
KATHERINE BURNSIDESMEMBER
Trustee or director
10$0
ANEUDA VARGASMEMBER
Trustee or director
10$0
DEVIN HOLUMMEMBER
Trustee or director
10$0
CHELSEA JAQUESBOARD MEMBER
Trustee or director
10$0
REBECCA WILSONMEMBER
Trustee or director
10$0
NICOLE RICHARSONMEMBER
Trustee or director
10$0
990 for the year ended December 31, 2024: 14 people
NameTitleHours / weekCompensation
DOUG GLEASONPRESIDENT
Trustee or director, Officer
15$0
MARLENE MADINCEAVICE PRESIDENT
Trustee or director, Officer
10$0
MARJORIE TAYLORTREASURER
Trustee or director, Officer
15$0
LAURN BOKELASST TREASURER
Trustee or director, Officer
15$0
MARY ANN KAMINSKISECRETARY
Trustee or director, Officer
10$0
CHARLYN BROWNASST SECRETARY
Trustee or director, Officer
10$0
BETSY HUNTERMEMBER
Trustee or director
10$0
KATHERINE BURNSIDEMEMBER
Trustee or director
10$0
AMY CONROYMEMBER
Trustee or director
10$0
MIKE HOWLETTMEMBER
Trustee or director
10$0
MICHAEL ZIMMERMANMEMBER
Trustee or director
10$0
ANEUDA VARGASMEMBER
Trustee or director
10$0
DEVIN HOLUMMEMBER
Trustee or director
10$0
CHELSEA JAQUESBOARD MEMBER
Trustee or director
10$0
990 for the year ended December 31, 2023: 14 people
NameTitleHours / weekCompensation
DOUG GLEASONPRESIDENT
Trustee or director, Officer
15$0
BETSY HUNTERVICE PRESIDENT
Trustee or director, Officer
10$0
EMILY SWINDLERTREASURER
Trustee or director, Officer
15$0
CHARLYN BROWNSECRETARY
Trustee or director, Officer
10$0
RICK DOWMEMBER
Trustee or director
10$0
KATHERINE BURNSIDEMEMBER
Trustee or director
10$0
AMY CONROYMEMBER
Trustee or director
10$0
MIKE HOWLETTMEMBER
Trustee or director
10$0
MARY ANN KAMINSKIMEMBER
Trustee or director
10$0
PATRICK CALLAGANMEMBER
Trustee or director
10$0
DEVIN HOLUMMEMBER
Trustee or director
10$0
CHELSEA JAQUESBOARD MEMBER
Trustee or director
10$0
SHARI MORRISBOARD MEMBER
Trustee or director
10$0
SUNDAY TAYLORBOARD MEMBER
Trustee or director
10$0
990 for the year ended December 31, 2022: 11 people
NameTitleHours / weekCompensation
KATHERINE BURNSIDESPRESIDENT
Trustee or director, Officer
15$0
DOUG GLEASONVICE PRESIDENT
Trustee or director, Officer
10$0
RICK DOWTREASURER
Trustee or director, Officer
15$0
ANN RUBIN DOMINICKASST TREASURER10$0
CHARLYN BROWNSECRETARY
Trustee or director, Officer
10$0
EMILY SWINDLERMEMBER
Trustee or director
10$0
SARAH WATTS McMURREYMEMBER
Trustee or director
10$0
AMY CONROYMEMBER
Trustee or director
10$0
MIKE HOWLETTMEMBER
Trustee or director
10$0
MARY ANN KAMINSKIMEMBER
Trustee or director
10$0
PERISHA BURNHAMMEMBER
Trustee or director
10$0

Address and contacts

Address (IRS master file)
22306 ALDINE WESTFIELD RD, HUMBLE, TX 77338-1071
Principal officer (990 for 2025)
MARLENE MADINCEA, 22306 ALDINE WESTFIELD, HUMBLE, TX 77338
Signed the 990
MARLENE MADINCEA, PRESIDENT
Phone
(713) 274-4166
Return prepared by
Kimberly D Scott

Mission

SEE SCHEDULE O

990 for the year ended December 31, 2025

Program accomplishments

  • THE MERCER SOCIETYS SUPPORT FOR THE ARBORETUM AND BOTANIC GARDENS PROVIDES PUBLIC AND VOLUNTEER EDUCATIONAL PROGRAMS AS WELL AS CAPITAL IMPROVEMENTS FOR THE PARK. THE SOCIETY HOLDS THE MARCH MART PLANT SALE ATTENDED BY OVER 4,500 PEOPLE AS ONE OF THEIR MAJOR FUNDRAISING EVENTS.
    Expenses $238,204 · revenue $181,399

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
76-0655270
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
2000
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$280,849
Income (IRS master file)
$420,512

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$420,512$379,285$280,849IRS
990December 2024$420,706$388,109$254,229IRS
990December 2023$379,526$425,986$224,647XML
990December 2022$292,946$299,296$269,032XML
990December 2021–––IRS
990December 2020–––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 76-0655270).

Questions about MERCER SOCIETY

What is the EIN of MERCER SOCIETY?
The employer identification number (EIN) of MERCER SOCIETY is 76-0655270.
Is MERCER SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
Are donations to MERCER SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MERCER SOCIETY 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 MERCER SOCIETY 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 MERCER SOCIETY 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 MERCER SOCIETY?
The 990 for the year ended December 31, 2025 names MARLENE MADINCEA.
Who are the officers and directors of MERCER SOCIETY?
The 990 for the year ended December 31, 2025 lists 10 people; 0 received compensation from the organization.
How much revenue does MERCER SOCIETY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $420,512, expenses of $379,285 and total assets of $280,849 at year end.

Other nonprofits in HUMBLE

All nonprofits in HUMBLE · Texas · Public and societal benefit