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Nonprofit · EIN 02-6013780

WILLIAM W TREAT FOUNDATION

Tax-exempt · STRATHAM, NH 03885

Financials

$16K$144K2023$91K$144K2024$338K$162K2025
Revenue Expenses · by fiscal year end
Financials of WILLIAM W TREAT FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$338,007$162,378$175,629$1,390,966$0$1,390,966
December 31, 2024990-PF$91,303$143,853-$52,550$1,215,337$0$1,215,337
December 31, 2023990-PF$15,618$143,916-$128,298$1,267,887$0$1,267,887
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$34,244
Interest
$18,827
Net gain from sales of assets
$284,936

Expenses

Grants and similar amounts paid
$129,318
Compensation of officers, directors and key employees
$11,000
Disbursements for charitable purposes
$129,318
Excise tax on investment income
$558

Balance sheet and other

Total assets, start of year
$1,215,337
Total assets, end of year
$1,390,966
Total liabilities, end of year
$0
Net assets, end of year
$1,390,966
Fair market value of assets
$2,866,301
Qualifying distributions
$129,318
Net investment income
$53,071

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
PETER F H LAMB
3 SEA OAKES LANE, KITTERY POINT, ME 03905
TRUSTEE1$3,500
H ALFRED CASASSA
196 SOUTH ROAD, RYE BEACH, NH 03871
TRUSTEE1$2,500
ROBERT A CASASSA
10 BERGUNDY DR, HAMPTON, NH 03842
TRUSTEE1$2,500
JOSEPHINE M STROBLE
134 WINNICUTT ROAD, STRATHAM, NH 03885
TRUSTEE1$2,500
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
PETER F H LAMB
3 SEA OAKES LANE, KITTERY POINT, ME 03905
TRUSTEE1$3,000
H ALFRED CASASSA
196 SOUTH ROAD, RYE BEACH, NH 03871
TRUSTEE1$2,000
ROBERT A CASASSA
10 BERGUNDY DR, HAMPTON, NH 03842
TRUSTEE1$2,000
JOSEPHINE M STROBLE
134 WINNICUTT ROAD, STRATHAM, NH 03885
TRUSTEE1$2,000
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
PETER F H LAMB
3 SEA OAKES LANE, KITTERY POINT, ME 03905
TRUSTEE1$3,000
H ALFRED CASASSA
196 SOUTH ROAD, RYE BEACH, NH 03871
TRUSTEE1$2,000
ROBERT A CASASSA
10 BERGUNDY DR, HAMPTON, NH 03842
TRUSTEE1$2,000
JOSEPHINE M STROBLE
134 WINNICUTT ROAD, STRATHAM, NH 03885
TRUSTEE1$2,000

Address and contacts

Address (IRS master file)
PO BOX 800, STRATHAM, NH 03885-0800
Signed the 990-PF
JOSEPHINE M STROBLE, TRUSTEE
Phone
(603) 498-3260
Return prepared by
UHY ADVISORS NORTHEAST INC

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
02-6013780
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
1965
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,390,966
Income (IRS master file)
$1,182,903

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$338,007$162,378$1,390,966XML
990-PFDecember 2024$91,303$143,853$1,215,337IRS
990-PFDecember 2023$15,618$143,916$1,267,887XML
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 02-6013780).

Questions about WILLIAM W TREAT FOUNDATION

What is the EIN of WILLIAM W TREAT FOUNDATION?
The employer identification number (EIN) of WILLIAM W TREAT FOUNDATION is 02-6013780.
Is WILLIAM W TREAT FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1965.
Are donations to WILLIAM W TREAT FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does WILLIAM W TREAT FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WILLIAM W TREAT 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 WILLIAM W TREAT 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 WILLIAM W TREAT FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 4 received compensation from the organization, the highest $3,500 (PETER F H LAMB, TRUSTEE).
How much revenue does WILLIAM W TREAT FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $338,007, expenses of $162,378 and total assets of $1,390,966 at year end.

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