Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 71-0705259

OZARK NATURAL SCIENCE CENTER INC

Tax-exempt · HUNTSVILLE, AR 72740

Financials

$426K$568K2023$635K$610K2024
Revenue Expenses · by fiscal year end
Financials of OZARK NATURAL SCIENCE CENTER INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$634,672$609,560$25,112$690,811$199,136$491,675
June 30, 2024990$425,593$567,656-$142,063$622,924$218,713$404,211
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$277,542
Membership dues
$4,580
Program service revenue
$330,721
Investment income
$3,521
Net income from fundraising events
$15,507
Net income from sales of inventory
$7,381
Other revenue
$22,888

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Other salaries and wages
$342,604
Salaries, compensation and benefits (total)
$369,836
Professional fundraising fees
$0
Accounting fees
$1,028
Occupancy
$32,780
Travel
$657
Depreciation
$38,052
Program services (functional)
$402,001
Management and general (functional)
$88,023

Balance sheet and other

Total assets, start of year
$622,924
Total assets, end of year
$690,811
Total liabilities, end of year
$199,136
Net assets, end of year
$491,675
Land, buildings and equipment
$407,143
Net assets without donor restrictions
$456,130
Net assets with donor restrictions
$35,545
Gross receipts
$644,875
Employees
11
Volunteers
150
Year formed
1990
State of legal domicile
AR

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
JUSTIN BULLAVICE-PRES SE
Trustee or director, Officer
0$0
KEN EWINGBOARD MEMBER
Trustee or director
0$0
MICHAEL HENRYBOARD MEMBER
Trustee or director
0$0
BRIAN MITCHELLEX OFFICIO
Trustee or director
0$0
LUCAS REGNIERPRESIDENT
Trustee or director, Officer
0$0
SUNNY SCHLESINGERTREASURER
Trustee or director, Officer
0$0
DEREK SALMONSONBOARD MEMBER
Trustee or director
0$0
CHRISTY MELHART SLAYBOARD MEMBER
Trustee or director
0$0
MELINE SCHAFFERHR OFFICER
Trustee or director, Officer
0$0
PEGGY SMITHEMERITUS BOARD MEMBER
Trustee or director
0$0
990 for the year ended June 30, 2024: 12 people
NameTitleHours / weekCompensation
JUSTIN BULLAVICE-PRES/SE
Trustee or director, Officer
–$0
KEN EWINGDIRECTOR
Trustee or director
–$0
MICHAEL HENRYDIRECTOR
Trustee or director
–$0
BRIAN MITCHELLEX OFFICIO
Trustee or director
–$0
LUCAS REGNIERPRESIDENT
Trustee or director, Officer
–$0
KATIE VON REMBOWTREASURER
Trustee or director, Officer
–$0
DEREK SALMONSONDIRECTOR
Trustee or director
–$0
ADAM SCHAFFERDIRECTOR
Trustee or director
–$0
MELINE SCHAFFERHR OFFICER
Trustee or director, Officer
–$0
SUNNY SCHLESINGERTREASURER EL
Trustee or director
–$0
CHRISTY MELHART SLAYPAST PRESIDE
Trustee or director
–$0
PEGGY SMITHDIRECTOR
Trustee or director
–$0

Address and contacts

Address (IRS master file)
1905 MADISON 1305, HUNTSVILLE, AR 72740-7846
In care of
% JENNY HARMON
Principal officer (990 for 2024)
Rose Brown, 1905 MADISON 1305, HUNTSVILLE, AR 72740
Signed the 990
ROSE, BROWN
Phone
(479) 202-8340

Mission

TO ENHANCE THE UNDERSTANDING APPRECIATION AND STEWARDSHIP OF THE OZARK NATURAL ENVIRONMENT BY PROVIDING EDUCATION PROGRAMS. THESE PROGRAMS IMMERSE PARTICIPANTS IN THE OZARKS ECOSYSTEMS AND CELEBRATE ECOLOGICAL AND CULTURAL DIVERSITY FOSTER CONSERVATION AND STEWARDSHIP AND NURTURE APPRECIATION OF THE NATURE OF THE OZARKS. OUR PROGRAMS FOCUS ON HELPING CHILDREN AND ADULTS DEVELOP A SENSE OF PLACE AND A WONDER FOR THE DIVERSITY OF LIFE AND THE IMPORTANCE OF NATURAL SYSTEMS AROUND US.

990 for the year ended June 30, 2025

Program accomplishments

  • SCHOOL PROGRAMS AND CAMPS - ONSCS MAIN CAMPUS INCLUDES THE EWING EVENT CENTER THREE LODGES THE SMITH EDUCATION BUILDING GUEST HOUSING FACULTY HOUSING THE STEWART SPRINGFIELD MEMORIAL OUTDOOR CLASSROOM THE LEWIS PAVILION AN OBSERVATION DECK AND HIKING TRAILS. ONSCS URBAN LOCATIONS INCLUDE AN EDUCATION CENTER AND HIKING TRAILS AT LAKE FAYETTEVILLE AND A NATURE CENTER OUTDOOR CLASSROOM AND HIKING TRAILS AT KESSLER MOUNTAIN. ONSCS SCHOOL PROGRAMMING AND CAMPS OFFER HANDS-ON EXPERIENTIAL FIELD SCIENCE OPPORTUNITIES TO MORE THAN 3,000 STUDENTS PER YEAR. ONSC ALSO OFFERS PUBLIC PROGRAMS CLASSES AND WORKSHOPS FOR ADULTS AND FAMILIES. THESE ARE SCHEDULED THROUGHOUT THE YEAR IN ALL THREE LOCATIONS.
    Expenses $402,001

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
71-0705259
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
1991
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B90Z)
Assets (IRS master file)
$690,811
Income (IRS master file)
$644,875

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$634,672$609,560$690,811XML
990June 2024$425,593$567,656$622,924XML
990June 2023$486,389$592,059$704,813IRS
990June 2022$469,404$540,687$874,444IRS
990June 2021–––IRS
990June 2019–––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 71-0705259).

Questions about OZARK NATURAL SCIENCE CENTER INC

What is the EIN of OZARK NATURAL SCIENCE CENTER INC?
The employer identification number (EIN) of OZARK NATURAL SCIENCE CENTER INC is 71-0705259.
Is OZARK NATURAL SCIENCE CENTER INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
Are donations to OZARK NATURAL SCIENCE CENTER INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OZARK NATURAL SCIENCE CENTER 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 OZARK NATURAL SCIENCE CENTER INC 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 OZARK NATURAL SCIENCE CENTER INC 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 OZARK NATURAL SCIENCE CENTER INC?
The 990 for the year ended June 30, 2025 names Rose Brown.
Who are the officers and directors of OZARK NATURAL SCIENCE CENTER INC?
The 990 for the year ended June 30, 2025 lists 10 people; 0 received compensation from the organization.
How much revenue does OZARK NATURAL SCIENCE CENTER INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $634,672, expenses of $609,560 and total assets of $690,811 at year end.

Other nonprofits in HUNTSVILLE

All nonprofits in HUNTSVILLE · Arkansas · Education