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Nonprofit · EIN 87-0658000

DINOSAUR AHTORIUM

Tax-exempt · ST GEORGE, UT 84790

Financials

$549K$650K2023$522K$614K2024$549K$524K2025
Revenue Expenses · by fiscal year end
Financials of DINOSAUR AHTORIUM by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$549,080$524,434$24,646$780,015$16,841$763,174
December 31, 2024990$521,568$614,493-$92,925$759,452$30,394$729,058
December 31, 2023990$548,824$649,701-$100,877$840,495$18,512$821,983
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$81,979
of which government grants
$44,650
Program service revenue
$364,054
Investment income
$13,021
Net gain from sales of assets
$2,829
Net income from fundraising events
-$3,517
Net income from sales of inventory
$93,543
Other revenue
$90,026

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$65,200
Other salaries and wages
$273,479
Salaries, compensation and benefits (total)
$389,890
Professional fundraising fees
$0
Accounting fees
$21,020
Occupancy
$34,812
Travel
$861
Depreciation
$11,161
Program services (functional)
$500,562
Management and general (functional)
$23,872

Balance sheet and other

Total assets, start of year
$759,452
Total assets, end of year
$780,015
Total liabilities, end of year
$16,841
Net assets, end of year
$763,174
Land, buildings and equipment
$54,733
Publicly traded securities
$325,735
Net assets without donor restrictions
$763,174
Gross receipts
$670,127
Employees
15
Volunteers
559
Year formed
2000
State of legal domicile
UT

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
DIANA CALLEXECUTIVE DI
Officer
40$65,200
SUE BARNESSECRETARY
Trustee or director
2$0
MIKE BRUNERTREASURER
Trustee or director
2$0
LYLE DRAKEVICE PRESIDE
Trustee or director
2$0
JOSEPH ELISONBOARD MEMBER
Trustee or director
2$0
JERRY HARRISSCIENCE ADVI
Trustee or director
2$0
JORDAN HESSBOARD MEMBER
Trustee or director
2$0
BILL HOSTERBOARD MEMBER
Trustee or director
2$0
LAVERNA JOHNSONBOARD MEMBER
Trustee or director
2$0
GENE MADSENBOARD MEMBER
Trustee or director
2$0
ANNIE SIMKINSBOARD MEMBER
Trustee or director
2$0
MICHELLE TANNERBOARD MEMBER
Trustee or director
2$0
TERANCE WHITEBOARD PRESID
Trustee or director
2$0
990 for the year ended December 31, 2024: 14 people
NameTitleHours / weekCompensation
DIANA CALLEXECUTIVE DI
Officer
40$63,000
SUE BARNESSECRETARY
Trustee or director
2$0
MIKE BRUNERTREASURER
Trustee or director
2$0
LYLE DRAKEVICE PRESIDE
Trustee or director
2$0
JOSEPH ELISONBOARD MEMBER
Trustee or director
2$0
JERRY HARRISSCIENCE ADVI
Trustee or director
2$0
JORDAN HESSBOARD MEMBER
Trustee or director
2$0
BILL HOSTERBOARD MEMBER
Trustee or director
2$0
LAVERNA JOHNSONBOARD MEMBER
Trustee or director
2$0
GENE MADSENBOARD MEMBER
Trustee or director
2$0
ANNIE SIMKINSBOARD MEMBER
Trustee or director
2$0
MICHELLE TANNERBOARD MEMBER
Trustee or director
2$0
GARY D WATTSBOARD PRESID
Trustee or director
2$0
TERANCE WHITEBOARD PRESID
Trustee or director
2$0
990 for the year ended December 31, 2023: 11 people
NameTitleHours / weekCompensation
DIANA CALLEXECUTIVE DI
Officer
40$70,049
SUE BARNESBOARD MEMBER
Trustee or director
2$0
BILL BIESELEBOARD MEMBER
Trustee or director
2$0
MIKE BRUNERSEC/TREASURE
Trustee or director
2$0
LYLE DRAKEBOARD MEMBER
Trustee or director
2$0
DONALD FISHERBOARD MEMBER
Trustee or director
2$0
JERRY HARRISBOARD MEMBER
Trustee or director
2$0
LAVERNA JOHNSONBOARD MEMBER
Trustee or director
2$0
MICHELLE TANNERBOARD MEMBER
Trustee or director
2$0
GARY D WATTSBOARD PRESID
Trustee or director
2$0
TERRANCE WHITEBOARD MEMBER
Trustee or director
2$0

Address and contacts

Address (IRS master file)
2180 E RIVERSIDE DR, ST GEORGE, UT 84790-2483
Mailing address (990-N for 2007)
2180 EAST RIVERSIDE DRIVE, ST GEORGE UT 84770
Principal officer (990 for 2025)
DIANA CALL, 2180 EAST RIVERSIDE DRIVE, ST GEORGE, UT 84790
Principal officer (990-N for 2007)
MIKE SPILKER, 63 SOUTH 300 EAST SUITE 100, ST GEORGE UT 84770
Signed the 990
TERANCE WHITE, BOARD PRESIDENT
Phone
(435) 574-3446
Return prepared by
BRUNER CPA SERVICES

Mission

THE MISSION OF THE ST. GEORGE DINOSAUR DISCOVERY SITE AT JOHNSON FARM (SGDS) IS TO RESEARCH, PRESERVE, INTERPRET, AND EXHIBIT THE FOSSIL RESOURCES OF THE AREA AND THE STORY OF THIS SPECIFIC SITE FOR THE BENEFIT, EDUCATION, AND ENJOYMENT OF OUR VALUED COMMUNITIES AND THE SCIENTIFIC WORLD.

990 for the year ended December 31, 2025

Program accomplishments

  • TO ASSIST IN PRESERVING, CURATING, AND DISPLAYING DINOSAUR AND OTHER FOSSILS, TRACKS, SKIN IMPRESSIONS, AND TAIL DRAGS; MUSEUM FOR THE EDUCATION OF THE PUBLIC; TO FOSTER SCIENTIFIC RESEARCH.
    Expenses $500,562 · revenue $364,054
  • TO ASSIST IN ASSISTING IN PRESERVING, CURATING, AND DISPLAYING DINOSAUR AND OTHER FOSSILS, TRACKS, SKIN IMPRESSIONS, AND TAIL DRAGS; MUSEUM FOR THE EDUCATION OF THE PUBLIC; TO FOSTER SCIENTIFIC RESEARCH.

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
87-0658000
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
2001
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$780,015
Income (IRS master file)
$670,127

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$549,080$524,434$780,015XML
990December 2024$521,568$614,493$759,452IRS
990December 2023$548,824$649,701$840,495XML
990December 2022$519,090$488,858$919,202IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS
990-N for 2007
Officer: MIKE SPILKER
December 31, 2007≤ $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 87-0658000).

Questions about DINOSAUR AHTORIUM

What is the EIN of DINOSAUR AHTORIUM?
The employer identification number (EIN) of DINOSAUR AHTORIUM is 87-0658000.
Is DINOSAUR AHTORIUM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to DINOSAUR AHTORIUM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does DINOSAUR AHTORIUM 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 DINOSAUR AHTORIUM 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 DINOSAUR AHTORIUM 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 DINOSAUR AHTORIUM?
The 990 for the year ended December 31, 2025 names DIANA CALL.
Who are the officers and directors of DINOSAUR AHTORIUM?
The 990 for the year ended December 31, 2025 lists 13 people; 1 received compensation from the organization, the highest $65,200 (DIANA CALL, EXECUTIVE DI).
How much revenue does DINOSAUR AHTORIUM have?
On its 990 for the year ended December 31, 2025 it reported revenue of $549,080, expenses of $524,434 and total assets of $780,015 at year end.

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