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Nonprofit · EIN 45-3932514

MARVIN AND DELIA LANG FOUNDATION

Tax-exempt · ROCKVILLE, MD 20852

Financials

$0$02023$0$02024$0$02025
Revenue Expenses · by fiscal year end
Financials of MARVIN AND DELIA LANG FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2026990-PF$0$0$0$0$0$0
June 30, 2025990-PF$0$0$0$0$0$0
June 30, 2024990-PF$0$0$0$0$0$0
Financial details: 990-PF for the year ended June 30, 2026

Revenue

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0

Balance sheet and other

Total assets, start of year
$0
Total assets, end of year
$0
Total liabilities, end of year
$0
Net assets, end of year
$0

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 June 30, 2026, highest compensation first.

NameTitleHours / weekCompensation
MARVIN R LANG
11555 OLD GEORGETOWN RD 1702, ROCKVILLE, MD 20852
PRES, TREASURER, DIRECTOR0$0
DELIA K LANG
11555 OLD GEORGETOWN RD 1702, ROCKVILLE, MD 20852
VP, SECRETARY, DIRECTOR0$0
JULIE D LANG
6000 EXECUTIVE BLVD STE 400, NORTH BETHESDA, MD 20852
SENIOR VP, DIRECTOR0$0
ISAAC M NEUBERGER
6000 EXECUTIVE BLVD STE 400, NORTH BETHESDA, MD 20852
DIRECTOR0$0
990-PF for the year ended June 30, 2025: 4 people
NameTitleHours / weekCompensation
MARVIN R LANG
5301 MOORLAND LANE, BETHESDA, MD 20814
PRES, TREASURER, DIRECTOR0$0
DELIA K LANG
5301 MOORLAND LANE, BETHESDA, MD 20814
VP, SECRETARY, DIRECTOR0$0
JULIE D LANG
6000 EXECUTIVE BLVD STE 400, NORTH BETHESDA, MD 20852
SENIOR VP, DIRECTOR0$0
ISAAC M NEUBERGER
6000 EXECUTIVE BLVD STE 400, NORTH BETHESDA, MD 20852
DIRECTOR0$0
990-PF for the year ended June 30, 2024: 4 people
NameTitleHours / weekCompensation
MARVIN R LANG
6000 EXECUTIVE BLVD STE 400, 400, NORTH BETHESDA, MD 20852
PRES, TREASURER, DIRECTOR0$0
DELIA K LANG
6000 EXECUTIVE BLVD STE 400, 400, NORTH BETHESDA, MD 20852
VP, SECRETARY, DIRECTOR0$0
JULIE D LANG
6000 EXECUTIVE BLVD STE 400, 400, NORTH BETHESDA, MD 20852
SENIOR VP, DIRECTOR0$0
ISAAC M NEUBERGER
6000 EXECUTIVE BLVD STE 400, 400, NORTH BETHESDA, MD 20852
DIRECTOR0$0

Address and contacts

Address (IRS master file)
11555 OLD GEORGETOWN RD UNIT 1702, ROCKVILLE, MD 20852-2999
In care of
% MARVIN LANG
Signed the 990-PF
MARVIN LANG, PRESIDENT
Phone
(301) 770-5930
Return prepared by
PROSPERITY PARTNERS

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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, 2026990-PF on file
2024June 30, 2025November 17, 2025990-PF on file
2023June 30, 2024November 15, 2024990-PF on file

IRS record

EIN
45-3932514
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
2013
Accounting year ends
June
Files
Form 990-PF
Assets (IRS master file)
$1
Income (IRS master file)
$1

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJune 2026$0$0$0XML
990-PFJune 2025$0$0$0XML
990-PFJune 2024$0$0$0XML
990-PFJune 2023–––IRS
990-PFJune 2022–––IRS
990-PFJune 2021–––IRS
990-PFJune 2019–––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 45-3932514).

Questions about MARVIN AND DELIA LANG FOUNDATION

What is the EIN of MARVIN AND DELIA LANG FOUNDATION?
The employer identification number (EIN) of MARVIN AND DELIA LANG FOUNDATION is 45-3932514.
Is MARVIN AND DELIA LANG FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to MARVIN AND DELIA LANG FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARVIN AND DELIA LANG FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARVIN AND DELIA LANG FOUNDATION due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARVIN AND DELIA LANG FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended June 2026.
Who are the officers and directors of MARVIN AND DELIA LANG FOUNDATION?
The 990-PF for the year ended June 30, 2026 lists 4 people; 0 received compensation from the organization.
How much revenue does MARVIN AND DELIA LANG FOUNDATION have?
On its 990-PF for the year ended June 30, 2026 it reported revenue of $0, expenses of $0 and total assets of $0 at year end.

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