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

Nonprofit · EIN 52-6321486

ALBERT E & NAOMI B SINNISEN FOUNDATION

Tax-exempt · WILLIAMSPORT, MD 21795

Financials

$100K$77K2023$504K$79K2024$125K$90K2025
Revenue Expenses · by fiscal year end
Financials of ALBERT E & NAOMI B SINNISEN FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$124,684$90,142$34,542$1,173,513$0$1,173,513
December 31, 2024990-PF$504,176$78,602$425,574$1,138,972$0$1,138,972
December 31, 2023990-PF$100,112$76,600$23,512$713,397$0$713,397
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$26,646
Net gain from sales of assets
$98,038

Expenses

Grants and similar amounts paid
$53,000
Compensation of officers, directors and key employees
$4,253
Disbursements for charitable purposes
$55,957
Excise tax on investment income
$1,376

Balance sheet and other

Total assets, start of year
$1,138,972
Total assets, end of year
$1,173,513
Total liabilities, end of year
$0
Net assets, end of year
$1,173,513
Fair market value of assets
$1,332,789
Qualifying distributions
$55,957
Net investment income
$124,684

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

NameTitleHours / weekCompensation
Howard S Kaylor
209 W Irvin Avenue, Hagerstown, MD 21742
Trustee0.5$1,418
Eleanor V Lakin
121 Lakin Avenue, Boonsboro, MD 21713
Trustee0.5$1,418
Stuart L Mullendore
3 Maple Avenue, Boonsboro, MD 21713
Trustee0.5$1,417
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
Howard S Kaylor
209 W Irvin Avenue, Hagerstown, MD 21742
Trustee0.5$2,151
Eleanor V Lakin
121 Lakin Avenue, Boonsboro, MD 21713
Trustee0.5$2,151
Stuart L Mullendore
3 Maple Avenue, Boonsboro, MD 21713
Trustee0.5$2,151
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
Howard S Kaylor
209 W Irvin Avenue, Hagerstown, MD 21742
Trustee0.5$1,655
Eleanor V Lakin
121 Lakin Avenue, Boonsboro, MD 21713
Trustee0.5$1,655
Stuart L Mullendore
3 Maple Avenue, Boonsboro, MD 21713
Trustee0.5$1,655

Address and contacts

Address (IRS master file)
9735 LOCK TENDER LN, WILLIAMSPORT, MD 21795-4066
Signed the 990-PF
Stu Mullendore, Trustee
Phone
(301) 582-2920
Return prepared by
Kevin E Anders CPA

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
52-6321486
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1987
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,173,513
Income (IRS master file)
$595,204

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$124,684$90,142$1,173,513XML
990-PFDecember 2024$504,176$78,602$1,138,972XML
990-PFDecember 2023$100,112$76,600$713,397XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 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 52-6321486).

Questions about ALBERT E & NAOMI B SINNISEN FOUNDATION

What is the EIN of ALBERT E & NAOMI B SINNISEN FOUNDATION?
The employer identification number (EIN) of ALBERT E & NAOMI B SINNISEN FOUNDATION is 52-6321486.
Is ALBERT E & NAOMI B SINNISEN FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
Are donations to ALBERT E & NAOMI B SINNISEN FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ALBERT E & NAOMI B SINNISEN FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of ALBERT E & NAOMI B SINNISEN FOUNDATION 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 ALBERT E & NAOMI B SINNISEN FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of ALBERT E & NAOMI B SINNISEN FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 3 received compensation from the organization, the highest $1,418 (Howard S Kaylor, Trustee).
How much revenue does ALBERT E & NAOMI B SINNISEN FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $124,684, expenses of $90,142 and total assets of $1,173,513 at year end.

Other nonprofits in WILLIAMSPORT

All nonprofits in WILLIAMSPORT · Maryland