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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 20-1040122

ILLINOIS AVIATION MUSEUM AT BOLINGBROOK

Tax-exempt · BOLINGBROOK, IL 60490

Financials

$61K$63K2023$58K$45K2024$78K$48K2025
Revenue Expenses · by fiscal year end
Financials of ILLINOIS AVIATION MUSEUM AT BOLINGBROOK by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$78,481$47,736$30,745$241,721$834$240,887
December 31, 2024990-EZ$58,037$45,096$12,941$210,503$361$210,142
December 31, 2023990-EZ$60,882$63,209-$2,327$202,040–$202,040
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$22,255
Program service revenue
$45,028
Investment income
$11,198

Expenses

Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$1,992
Occupancy
$5,526
Other expenses
$40,218
Program services (functional)
$47,477

Balance sheet and other

Total assets, start of year
$210,503
Total assets, end of year
$241,721
Total liabilities, end of year
$834
Net assets, end of year
$240,887
Cash, savings and investments
$181,721
Gross receipts
$124,481

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
LARRY GREENWICHPRESIDENT10$0
BILL ANDERSONSECRETARY0$0
ARZINIA WILLIAMSVICE PRESIDE0$0
JOE DEPAULOTREASURER1$0
ED MEYERDIRECTOR0$0
JIM GOULDDIRECTOR0$0
MARTI BARTONDIRECTOR0$0
BOB COONDIRECTOR0$0
CHRIS CHRISTINEDIRECTOR0$0
WAYNE BRAZINSKIADVISORY BOA0$0
COREY SODERQUISTADVISORY BOA0$0
DAN CHRISTINEDIRECTOR0$0
BOB MCKENZIEADVISORY BOA0$0
KYLE MATHERSADVISORY BOA0$0
BILLY HEARTHDIRECTOR0$0
1 more people on this return
NameTitleHours / weekCompensation
JAN LINDSEYDIRECTOR0$0
990-EZ for the year ended December 31, 2024: 16 people
NameTitleHours / weekCompensation
LARRY GREENWICHPRESIDENT0$0
BILL ANDERSONSECRETARY0$0
ARZINIA WILLIAMSVICE PRESIDE0$0
JOE DEPAULOTREASURER0$0
DAN CHRISTINEDIRECTOR0$0
ED MEYERDIRECTOR0$0
JIM GOULDDIRECTOR0$0
MARTI BARTONDIRECTOR0$0
BOB COONDIRECTOR0$0
CHRIS CHRISTINEDIRECTOR0$0
WAYNE BRAZINSKIADVISORY BOA0$0
COREY SODERQUISTADVISORY BOA0$0
BOB MCKENZIEADVISORY BOA0$0
KYLE MATHERSADVISORY BOA0$0
BILLY HEARTHDIRECTOR0$0
JAN LINDSEYDIRECTOR0$0
990-EZ for the year ended December 31, 2023: 16 people
NameTitleHours / weekCompensation
LARRY GREENWICHPRESIDENT0$0
BILL ANDERSONSECRETARY0$0
ARZINIA WILLIAMSVICE PRESIDE0$0
JOE DEPAULOTREASURER0$0
DAN CHRISTINEDIRECTOR0$0
ED MEYERDIRECTOR0$0
JIM GOULDDIRECTOR0$0
MARTI BARTONDIRECTOR0$0
BOB COONDIRECTOR0$0
CHRIS CHRISTINEDIRECTOR0$0
WAYNE BRAZINSKIADVISORY BOA0$0
COREY SODERQUISTADVISORY BOA0$0
BOB MCKENZIEADVISORY BOA0$0
KYLE MATHERSADVISORY BOA0$0
BILLY HEARTHDIRECTOR0$0
JAN LINDSEYDIRECTOR0$0

Address and contacts

Address (IRS master file)
130 S CLOW INTERNATIONAL PARKWAY, BOLINGBROOK, IL 60490-5507
In care of
% N KENT DEMUTH
Signed the 990-EZ
LARRY GREENWICH, PRESIDENT
Phone
(630) 771-1937
Return prepared by
EBERHART ACCOUNTING SERVICES PC

Mission

OPERATION OF NOT-FOR-PROFIT AVIATION MUSEUM AND RELATED PROGRAMS

990-EZ for the year ended December 31, 2025

Program accomplishments

  • OPERATION OF MUSEUM AT 130 S CLOW INTERNATIONAL PARKWAY, BOLINGBROOK, IL 60490. EXHIBITION OF HISTORICAL AIRCRAFT, NO ADMISSION CHARGED.
    Expenses $43,438
  • AVIATION SAFETY TRAINING PROGRAMS AND SEMINARS
    Expenses $311
  • RESTORATION AND MAINTENANCE OF HISTORICAL AIRCRAFT
    Expenses $3,728

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-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for ILLINOIS AVIATION MUSEUM AT BOLINGBROOK

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
20-1040122
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
2004
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$241,721
Income (IRS master file)
$124,481

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$78,481$47,736$241,721XML
990-EZDecember 2024$58,037$45,096$210,503XML
990-EZDecember 2023$60,882$63,209$202,040XML
990-EZDecember 2022–––IRS
990December 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 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 20-1040122).

Questions about ILLINOIS AVIATION MUSEUM AT BOLINGBROOK

What is the EIN of ILLINOIS AVIATION MUSEUM AT BOLINGBROOK?
The employer identification number (EIN) of ILLINOIS AVIATION MUSEUM AT BOLINGBROOK is 20-1040122.
Is ILLINOIS AVIATION MUSEUM AT BOLINGBROOK tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2004.
Are donations to ILLINOIS AVIATION MUSEUM AT BOLINGBROOK tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ILLINOIS AVIATION MUSEUM AT BOLINGBROOK 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 ILLINOIS AVIATION MUSEUM AT BOLINGBROOK 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 ILLINOIS AVIATION MUSEUM AT BOLINGBROOK last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of ILLINOIS AVIATION MUSEUM AT BOLINGBROOK?
The 990-EZ for the year ended December 31, 2025 lists 16 people; 0 received compensation from the organization.
How much revenue does ILLINOIS AVIATION MUSEUM AT BOLINGBROOK have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $78,481, expenses of $47,736 and total assets of $241,721 at year end.

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